Diagram sections — 29 (78 total)
AIR CONDITIONING ANTI-LOCK BRAKES ANTI-THEFT BODY CONTROL MODULES COMPUTER DATA LINES COOLING FAN CRUISE CONTROL DEFOGGERS ENGINE PERFORMANCE EXTERIOR LIGHTS GROUND DISTRIBUTION HEADLIGHTS HORN INSTRUMENT CLUSTER INTERIOR LIGHTS MEMORY SYSTEMS POWER DISTRIBUTION POWER DOOR LOCKS POWER MIRRORS POWER SEATS POWER TOP/SUNROOF POWER WINDOWS RADIO SHIFT INTERLOCK STARTING/CHARGING SUPPLEMENTAL RESTRAINTS TRANSMISSION WARNING SYSTEMS WIPER/WASHER
AIR CONDITIONING Automatic A/C Wiring Diagram (1 of 3) for Isuzu Ascender LS 2005 List of elements for Automatic A/C Wiring Diagram (1 of 3) for Isuzu Ascender LS 2005: 71 (at rear of lower console) hvac control module 5v ref A/c comp status A/c low press sw A10 A11 A12 Air temp door ctrl Air temp dr pos sig Air temperature actuator (left) (behind left center of dash) Air temperature actuator (right) (behind right center of dash) Ambient air temp sig Ambient air temperature sensor (above left side of grille) Ambient light Ambient light/ sunload sensor assembly (in center of upper dash trim panel) B10 B11 B12 Battery Blower fuse 35 40a Blower motor Blower motor control module (below right side of dash) Blwr mtr spd ctrl Class 2 Control Coolant bypass ctrl Coolant bypass valve (lwb) (right rear of engine compartment) Def door pos sig Defrost actuator (behind upper left center of dash) Defrost door ctrl G102 (at left side of engine compartment) G103 (at right rear of engine compt) G201 G302 (on lower left ``b" pillar) Ground Hot at all times Hot in run Hvac 1 fuse 39 10a Hvac b fuse 36 10a Ign 3 Inside air temp ctrl Inside air temp sig Inside air temperature sensor assembly (in left ``b" pillar) Left sensor Low ref Low reference Lower left air temperature sensor (in lower left air duct assembly) Lower right air temperature sensor (in lower right air duct assembly) Lwb Lwr lt air temp sig Lwr rt air temp sig Mode actuator (behind upper left center of dash) Mode door ctrl Mode door pos sig Nca Power distribution system Rear fuse block (below left rear seat) Recirc door cntrl Recirc dr pos sig Recirculation actuator Red Right sensor Solid state Sp201 (lower right center of dash) Swb Tan Underhood fuse block (on left side of engine compt) Upper left air temperature sensor (in upper air duct) Upper right air temperature sensor (in upper air duct) Uppr lt air temp sig Uppr rt air temp sig Automatic A/C Wiring Diagram (2 of 3) for Isuzu Ascender LS 2005 List of elements for Automatic A/C Wiring Diagram (2 of 3) for Isuzu Ascender LS 2005: 43 (at right rear of engine compt) g103 +5v ref 4.2l 5.3l 5.3l 4.2l A/c compressor clutch assembly (4.2l: bottom left front of engine) (5.3l: right front of engine) A/c fuse 30 10a A/c low pressure switch (at right rear of underhood compt) A/c press sig A/c refrigerant pressure sensor (5.3l: on bottom right side of engine) (4.2l: bottom left front of engine) A/c relay 44 A12 Ambient light sens B11 B12 Body control module (bcm) (beneath left rear seat, on rear fuse block) Comp rly cntrl Cooling fan Cooling fan ctrl D11 Data link connector (below dash, above accelerator pedal) E12 Ect sensor Engine coolant temperature sensor (on left front of engine, near generator) F12 Fan fuse 20 10a Fan relay 45 G103 (at right rear of engine compt) G107 (on lower left side of engine) G108 (on lower left side of engine) Hall sensor High spd maf Hot at all times Hot in run or start Ign e fuse 22 10a Low ref Low reference Lt sunload sens sig Powertrain control module (4.2l) engine control module (5.3l) (on left front of engine compt) Rt sunload sens sig Serial data Sp205 (below left side of i/p) Underhood fuse block (on left side of engine compt) Automatic A/C Wiring Diagram (3 of 3) for Isuzu Ascender LS 2005 List of elements for Automatic A/C Wiring Diagram (3 of 3) for Isuzu Ascender LS 2005: 55 (lwb) (not used) (on lower right "d" pillar) g402 30a 5v reference A10 A11 A12 A13 A14 A15 A16 Aux act door ctlr Aux air temp dr ctlr Aux air temp dr pos Aux blwr mtr Aux hvac enable Aux mode door ctrl Aux mode dr pos sig Auxiliary air temperature actuator (on rear hvac module, behind right rear interior body panel) Auxiliary blower motor (behind interior right rear trim panel) Auxiliary blower motor control processor (lwb) Auxiliary blower motor fuse (at right quarter panel) Auxiliary hvac control module (at rear of lower console) Auxiliary mode actuator (lwb) (at right quarter panel) Auxiliary mode actuator (swb) (rear of lower console) B10 B11 B12 B13 B14 B15 B16 Battery Class 2 data Console mode actuator (lwb) (rear of lower console) Console mode dr ctrl Ctrl mode dr pos sig Front auxiliary blower motor switch (lwb) G201 Ground Hot at all times Ill Interior lights system Logic Low reference Lwb Off Rear Rear fuse block (below left rear seat) Red Rr hvac fuse 13 30a (lwb) Sp201 (lower right center of dash) Swb Tvx sole ctrl Manual A/C Wiring Diagram (1 of 3) for Isuzu Ascender LS 2005 List of elements for Manual A/C Wiring Diagram (1 of 3) for Isuzu Ascender LS 2005: 60 (not used) (on bottom of blower assembly) blower motor resistor assembly 5v ref 87a A/c comp status A/c low press sw A10 A11 A12 Air temp door ctrl Air temp dr pos sig Air temperature actuator (left) (behind left center of dash) Air temperature actuator (right) (behind right center of dash) B10 B11 B12 Battery Blower fuse 35 40a Blower motor (below right side of dash) Blower motor relay Class 2 Coolant bypass ctrl Coolant bypass valve (lwb) (right rear of engine compartment) Def door pos sig Defrost actuator (behind upper left center of dash) Defrost door ctrl G102 (at left side of engine compartment) G103 (at right rear of engine compt) G201 Ground High Hot at all times Hot in run Hvac control module (in dash center trim panel, beneath radio) Hvac enable control Hvac fuse 44 30a Hvac i fuse 39 10a Hvac-b fuse 36 10a Ign 3 Low Low ref Lwb Med1 Med2 Med3 Mode actuator (behind upper left center of dash) Mode door ctrl Mode door pos sig Off Off blwr mtr cntrl Power distribution system Rear fuse block (below left rear seat) Recirc door ctrl Recirculation actuator Red Solid state Sp201 (lower right center of dash) Swb Tan Underhood fuse block (on left side of engine compt) Manual A/C Wiring Diagram (2 of 3) for Isuzu Ascender LS 2005 List of elements for Manual A/C Wiring Diagram (2 of 3) for Isuzu Ascender LS 2005: 32 (at right rear of engine compt) g103 +5v ref A/c compressor clutch assembly (4.2: bottom left front of engine) (5.3: right front of engine) A/c fuse 30 10a A/c low pressure switch (at right rear of underhood compt) A/c press sig A/c refrigerant pressure sensor (bottom left front of engine) A/c relay Comp rly cntrl Cooling fan Cooling fan ctrl Data link connector (below dash, above accelerator pedal) E12 Ect sensor Engine coolant temperature (ect) sensor (on left front of engine, near generator) F12 Fan fuse 20 10a Fan relay 45 G103 (at right rear of engine compt) G107 (on lower left side of engine) G108 (on lower left side of engine) Hall sensor High spd maf Hot at all times Hot in run or start Ign e fuse 22 10a Low ref Low reference Powertrain control module (pcm) (on left front of engine) Serial data Sp205 (below left side of i/p) Underhood fuse block (on left side of engine compt) Manual A/C Wiring Diagram (3 of 3) for Isuzu Ascender LS 2005 List of elements for Manual A/C Wiring Diagram (3 of 3) for Isuzu Ascender LS 2005: 57 (not used) (on lower right ``d" pillar) g402 (swb) 30a 5v reference A10 A11 A12 A13 A14 A15 A16 Auc hvac enable Aux act door ctlr Aux air temp dr ctlr Aux air temp dr pos Aux blwr mtr Aux mode door Aux mode door ctrl Aux mode dr ctrl Aux mode dr pos sig Auxiliary air temperature actuator (lwb) (on rear hvac module, behind right rear interior body panel) Auxiliary blower motor (behind interior right rear trim panel) Auxiliary blower motor control processor (lwb) Auxiliary blower motor fuse (at right quarter panel) Auxiliary hvac control module (at rear of lower console) Auxiliary mode actuator (lwb) (at right quarter panel) Auxiliary mode actuator (swb) (rear of lower console) B10 B11 B12 B13 B14 B15 B16 Battery Class 2 data Consl mode dr pos Console mode actuator (lwb) Console mode dr ctrl Front auxiliary blower motor switch (lwb) G201 Gnd Ground Hot at all times Ign 3 Ill Interior lights system Logic Low reference Lwb Off Rear Rear fuse block (below left rear seat) Red Rr hvac fuse 13 30a Sp201 (lower right center of dash)
ANTI-LOCK BRAKES Anti-lock Brakes Wiring Diagram, with Traction Control for Isuzu Ascender LS 2005 List of elements for Anti-lock Brakes Wiring Diagram, with Traction Control for Isuzu Ascender LS 2005: 61 (below dash, above accelerator pedal) data link connector 4.2l 5.3l Abs fuse 33 60a Abs pump Anti-lock indicator Automatic a/c B10 Body control module (bcm) (beneath left rear seat, on rear fuse block) Brake fluid level switch (in brake master cylinder fluid reservoir) Brake fluid lvl sig Brake fuse 51 10a Brake indicator C11 Cruise control system Delivered torque sig Delivered torque signal Electronic brake control module (on inner left frame rail, adjacent to transmission) Front axle actuator (lower right front of engine, on oil pan) G107 (on lower left side of engine) G201 G304 (outside of left frame rail, near electronic brake control module) Hot at all times Hot in run Hot in run or start Hvac 1 fuse 39 10a Ign e fuse 22 10a Ignition 3 Illum Instrument panel cluster Interior lights system Ipc/dic fuse 24 10a Left front wheel speed sensor (on left front wheelhousing) Lf whl spd sens ref Lf whl spd sens sig Low trac indicator Manual a/c Pnk Powertrain control module (pcm) (4.2l) engine control module (ecm) (5.3l) (4.2l: on left front of engine) (5.3l: on left front of engine compt) Rear fuse block (below left rear seat) Red Requested torque sig Requested torque signal Rf whl spd sens ref Rf whl spd sens sig Right front wheel speed sensor (on right front wheelhousing) Serial data Sp201 (lower right center of dash) Sp205 (below left side of i/p) Stoplamp switch (w/o eap: on brake pedal support) (w/ eap: top of brake pedal bracket) Tan Tcc brake switch sig Trac active telltale Trac ctrl sig Traction control switch Traction disable sw Traction disable switch Traction off indicator Underhood fuse block (on left side of engine compt) Vehicle speed signal Vss Anti-lock Brakes Wiring Diagram, without Traction Control for Isuzu Ascender LS 2005 List of elements for Anti-lock Brakes Wiring Diagram, without Traction Control for Isuzu Ascender LS 2005: 47 (below dash, above accelerator pedal) data link connector (below left side of i/p) (on inner left frame (outside of left frame rail, near electronic brake control module) g304 4.2l 5.3l A10 Abs fuse 33 60a Abs pump Anti-lock indicator B10 Body control module (bcm) (beneath left rear seat, on rear fuse block) Brake fluid level switch (in brake master cylinder fluid reservoir) Brake fluid lvl sig Brake fuse 51 10a Brake indicator C11 Control module Cruise control system Electronic brake Front axle actuator (lower right front of engine, on oil pan) G107 (on lower left side of engine) Hot at all times Hot in run Hot in run or start Ign e fuse 22 10a Ignition 3 Instrument panel cluster Ipc/dic fuse 24 10a Left front wheel speed sensor (on left front wheelhousing) Lf whl spd sens sig Pnk Powertrain control module (pcm) (4.2l) engine control module (ecm) (5.3l) (4.2l: on left front of engine) (5.3l: on left front of engine compt) Rail, adjacent Rear fuse block (below left rear seat) Red Rf whl spd sens ref Right front wheel speed sensor (on right front wheelhousing) Serial data Sp205 Stoplamp switch (w/o eap: on brake pedal support) (w/ eap: top of brake pedal bracket) Tan Tcc brake switch sig To transmission) Underhood fuse block (on left side of engine compt) Vehicle speed signal Vss
ANTI-THEFT Immobilizer Wiring Diagram for Isuzu Ascender LS 2005 List of elements for Immobilizer Wiring Diagram for Isuzu Ascender LS 2005: 37 (4.2l) (5.3l) 12v ref 4.2l 5.3l A11 B10 B11 Battery Body control module (bcm) (beneath left rear seat, on rear fuse block) Computer data lines system Data Data link connector (below dash, above accelerator pedal) E12 F14 G102 (at left side of engine compt) G302 (on lower left "b" pillar) Gnd Ground Hot at all times Hot in run or start Ign e fuse 22 10a Instrument panel cluster Logic Nca Passlock sensor (in steering column) Pnk Powertrain control module (pcm) (4.2l) engine control module (ecm) (5.3l) (4.2l: on left front of engine) (5.3l: on left front of engine compt) Rear fuse block (below left rear seat) Rtn Security Security ind Sensor ref Sensor sig Serial data Sp205 (below left side of i/p) Tbc 1 fuse 31 fuse 58 10a Underhood fuse block (on left side of engine compt)
BODY CONTROL MODULES
COMPUTER DATA LINES Computer Data Lines Wiring Diagram for Isuzu Ascender LS 2005 List of elements for Computer Data Lines Wiring Diagram for Isuzu Ascender LS 2005: 40 class 2 serial data (not used) 4.2l 5.3l A11 Auxiliary hvac control module (at rear of lower console) B11 Body control module (bcm) (beneath left rear seat, on rear fuse block) Cigar fuse 13 20a Class 2 serial data Data link connector (below dash, above accelerator pedal) Digital radio receiver Driver's door module (on lower part of driver's door switch panel) Driver's memory seat module (under driver's seat) Electronic brake control module (on inner left frame rail, adjacent to transmission) F14 Front passenger's door module (on lower part of passenger's door switch panel) G102 (at left side of engine compt) G201 Gmlan bus+ Gmlan bus- Hot at all times Hvac control module Inflatable restraint sensing & diagnostic module (beneath lower console) Instrument panel cluster (ipc) Liftgate module (inside liftgate) Lwb-automatic a/c lwb-manual a/c Power distribution system Powertrain control module (pcm) (4.2l) engine control module (ecm) (5.3l) (4.2l: on left front of engine) (5.3l: on left front of engine compartment) Radio Sp201 (lower right center of dash) Sp205 (below left side of i/p) Sp306 (under right rear seat) Tan Transfer case shift control module (behind left lower dash) Transmission control module (tcm) (5.3l) (left front of engine compartment) Underhood fuse block (on left side of engine compt) Vehicle communication interface module (vcim) (upper right rear seat) W/ traction control w/ traction control W/o traction control w/o traction control
COOLING FAN Cooling Fan Wiring Diagram for Isuzu Ascender LS 2005 List of elements for Cooling Fan Wiring Diagram for Isuzu Ascender LS 2005: 21 (4.2l) (5.3l) (lower left side of engine) g108 4.2l 5.3l Clutch cntrl Cooling fan Ect sensor Engine coolant temperature sensor (on left front of engine, near generator) Fan fuse 20 10a Fan relay Fan speed sig G103 (at right rear of engine compt) G108 (lower left side of engine) Ground Hall sensor Hot in run or start Low ref Low reference Powertrain control module (4.2l) engine control module (5.3l) (on left front of engine compt) Underhood fuse block (on left side of engine compt)
CRUISE CONTROL
4.2L 4.2L, Cruise Control Wiring Diagram for Isuzu Ascender LS 2005 List of elements for 4.2L, Cruise Control Wiring Diagram for Isuzu Ascender LS 2005: 49 (on inner left frame rail, adjacent to transmission) electronic brake control module 5 volt ref Accelerator pedal position (app) sensor (w/ eap: under left side of i/p) (w/o eap: on accelerator bracket) App sensor 1 App sensor 2 B10 B4 c1 C9 c2 Class 2 serial data Close Computer data lines system Cruise release E3 c3 Exterior lights system Hot at all times Hot in run Hot in run or start Hvac 1 fuse 39 10a Ign e fuse 22 10a Low ref On sw On/off sensor On/off switch Open Pnk Power distribution system Powertrain control module (pcm) (on left front of engine) Rear fuse block (below left rear seat) Res/accel sw Res/accel switch Set/coast sw Set/coast switch St/lp fuse 12 25a Stop lamp input Stoplamp switch (w/o eap: on brake pedal support) (w/ eap: top of brake pedal bracket) Tac motor ctrl 1 Tac motor ctrl 2 Tan Throttle body Tp sensor 1 Tp sensor 2 Turn signal/ multi-function switch Underhood fuse block (on left side of engine compartment) Veh stop fuse 34 15a Vehicle speed sensor (vss) (2wd: on right rear of transmission) (4wd: on left rear of transfer case) Vehicle speed sig Vss hi Vss lo W/ traction w/o traction
5.3L 5.3L, Cruise Control Wiring Diagram for Isuzu Ascender LS 2005 List of elements for 5.3L, Cruise Control Wiring Diagram for Isuzu Ascender LS 2005: 48 5 volt ref Accelerator pedal position sensor (w/o eap: on accelerator bracket) (w/ eap: under left side of i/p) App sensor 1 App sensor 2 B10 B4 c1 C9 c2 Class 2 serial data Close Computer data lines system Cruise release E1 c1 E3 c3 Electronic brake control module (on inner left frame rail, adjacent to transmission) Engine control module (on left front of engine compartment) Exterior lights system Hot at all times Hot in run or start Hot in run rear fuse block (below left rear seat) Hvac 1 fuse 39 10a Ign e fuse 22 10a Ign voltage Low ref Nca On sw On/off sensor On/off switch Open Pnk Power distribution system Res/accel sw Res/accel switch Set/coast sw Set/coast switch St/lp fuse 12 25a Stop lamp input Stoplamp switch (w/o eap: on brake pedal support) (w/ eap: top of brake pedal bracket) Tac fuse 23 15a Tac motor ctrl Tan Throttle body (on top front of engine) Tp sensor 1 Tp sensor 2 Turn signal/ multi-function switch Underhood fuse block (on left side of engine compartment) Veh stop fuse 34 15a Vehicle speed sig W/ traction w/o traction
DEFOGGERS Defoggers Wiring Diagram for Isuzu Ascender LS 2005 List of elements for Defoggers Wiring Diagram for Isuzu Ascender LS 2005: 22 A1 c2 B11 Bat Computer data lines system Driver outside rearview mirror Driver's door module (on lower part of driver's door switch panel) Front passenger's door module (on lower part of passenger's door switch panel) G401 (on lower left "d" pillar) Gnd Hot at all times Htr Hvac control module (auxiliary: at rear of lower console) Lgm 2 fuse 3 30a Liftgate module (inside liftgate) Mirror heater Passenger outside rearview mirror R def Rear fuse block (below left rear seat) Rear window defogger grid Serial data Sply volt Tan
ENGINE PERFORMANCE
4.2L 4.2L, Engine Performance Wiring Diagram (1 of 5) for Isuzu Ascender LS 2005 List of elements for 4.2L, Engine Performance Wiring Diagram (1 of 5) for Isuzu Ascender LS 2005: 71 start enable rly (on lower left side of engine) g107 4wd low sig 5 volt ref A/c compr rel A/c press sens Accelerator pedal position (app) sensor (w/ eap: under left side of i/p) (w/o eap: on accelerator bracket) Air conditioning system Air fuse 56 60a Air pump relay Air sol fuse 54 15a Air sol relay Anti lock brakes system App sens 1 sig App sens 2 sig B10 Battery Body control module (bcm) (beneath left rear seat, on rear fuse block) Cc on sw input Cls 2 data Cool fan clutch Cooling fan sp Cooling fans system Crank req sig Crank voltage Cruise control system Cruise control system transmissions system D11 Data link connector (below dash, above accelerator pedal) E11 Eng spd sig out Etc/tcc brk sig F14 Fuel lvl sens sig Fuel tank press Fuel tank pressure sensor (at top left rear of fuel tank) G305 (on outside of left frame rail, near fuel tank) Hot at all times Hot in acc, run or start Hot in run or start Iat sens sig Ign 0 fuse 47 10a Ign 0 input Ign 1 volt Ign e fuse 22 10a Instrument cluster system Instrument panel cluster Intake air temperature (iat) sensor (in air intake duct, Lo ref Low ref Malfunction indicator lamp Mil ctrl On top right of engine) Pcm b fuse 10 20a Pnk Powertrain control module (pcm) (on left front of engine) Rear fuse block (below left rear seat) Red Res/acc sw Secondary air injection (air) pump (on left frame rail, near ebcm) Secondary air injection (air) pump relay (on left frame rail, near ebcm) Secondary air injection (air) solenoid Set/cruise sw Sp205 (below left side of i/p) Starting/ charging system Stop lamp volt Stoplamp switch (w/o eap: on brake pedal support) (w/ eap: top of brake pedal bracket) Tan Underhood fuse block (on left side of engine compartment) Vss Vss signal out 4.2L, Engine Performance Wiring Diagram (2 of 5) for Isuzu Ascender LS 2005 List of elements for 4.2L, Engine Performance Wiring Diagram (2 of 5) for Isuzu Ascender LS 2005: 18 A11 Eng 1 fuse 26 10a Engine oil pressure switch (on bottom right side of engine) Evaporative emission (evap) canister purge solenoid (left side of engine) Evaporative emission canister vent solenoid (rear of fuel tank) F/pmp relay Fuel pump & sender assembly G107 (on lower left side of engine) G108 (on lower left side of engine) G305 (on outside of left frame rail, near fuel tank) Hot at all times Hot in run or start Park/neutral position switch (on left side of transmission) Pcm b fuse 10 20a Pnk Pnk a Under- hood fuse block (on left side of engine compt) Vehicle speed sensor (2wd: on right rear of transmission) (4wd: on left rear of transfer case) 4.2L, Engine Performance Wiring Diagram (3 of 5) for Isuzu Ascender LS 2005 List of elements for 4.2L, Engine Performance Wiring Diagram (3 of 5) for Isuzu Ascender LS 2005: 61 (on right front of cylinder head) crankshaft position (cmp) sensor 1-2 shift sol ctrl 2-3 shift sol ctrl 3-2 shift sol 5v ref Anti lock brakes system Cam pos sol hi Camshaft actuator solenoid assembly (on right front of cylinder head) Ckp sens sig Deliv torque sig Ect sens sig Engine coolant temperature (ect) sensor (left front of engine, near generator) Evap can prg ctl Evap can vent Fuel inj 1 Fuel inj 2 Fuel inj 3 Fuel inj 4 Fuel inj 5 Fuel inj 6 Fuel pump rly ctrl G108 (on lower left side of engine) Gfd cyc sig Ground powertrain control module (pcm) (on left front of engine) H02 hi sig b1 s2 H02s hi sig b1 s1 H02s lo sig b1 s2 Heated oxygen sensor 1 (right side of engine, on exhaust manifold) Heated oxygen sensor 2 (in exhaust pipe, adjacent to transmission) Ho2s htr lo b1 s1 Ho2s htr lo b1 s2 Ho2s lo sig b1 s1 Hot at all times Hot in run or start Ic 1 ctrl Ic 2 ctrl Ic 3 ctrl Ic 4 ctrl Ic 5 ctrl Ic 6 ctrl Injectors Low ref Manifold absolute pressure (map) sensor (on upper left side of engine) Map sens sig Nca O2 fuse 29 10a Oil pres sw sig Pc sol high ctrl Pc sol low ctrl Pcm 1 fuse 28 15a Pnk Powertrain control module (pcm) (on left front of engine) Req torque sig Starting/ charging system Tan Tcc pwm sol Tcc sol vlv ctrl Trans range sw a Underhood fuse block (on left side of engine compartment) Vss high sig Vss low signal 4.2L, Engine Performance Wiring Diagram (4 of 5) for Isuzu Ascender LS 2005 List of elements for 4.2L, Engine Performance Wiring Diagram (4 of 5) for Isuzu Ascender LS 2005: 34 Automatic Automatic transmission Automatic transmission fluid pressure manual valve position switch C10 Ctrl D10 D2 sw D3 sw D4 sw E10 F10 G109 (on lower side of engine) Gnd Ign Ignition coils (top of engine) Lo sw Nca Pnk Pnk a Pressure control Red Rev sw Solenoid 1-2 shift red Solenoid 2-3 shift red Solenoid 3-2 shift red Solenoid tcc pmw red Solenoid tcc red Solenoid valve Spark plug Tan Temperature sensor Transmission fluid Underhood fuse block (on left side of engine compartment) Valve 4.2L, Engine Performance Wiring Diagram (5 of 5) for Isuzu Ascender LS 2005 List of elements for 4.2L, Engine Performance Wiring Diagram (5 of 5) for Isuzu Ascender LS 2005: 36 (not used) 12v ref 5v ref Air solenoid relay Camshaft position (cmp) sensor (on right front of cylinder head) Cmp sens sig Cooling fans system Damping l/d sig Gen turn on sig Hot in run or start Ign 1 voltage Knock sensor 1 (front) (on lower left front of engine block) Knock sensor 2 (rear) (on lower left rear of engine block) Ks 1 sig Ks 2 sig Low oil press sw Low ref Pnk Powertrain control module (pcm) (on left front of engine) Red Starting/charging system Tac fuse 23 10a Tac motor Tac mtr ctrl 1 Tac mtr ctrl 2 Tfp sw sig a Tfp sw sig b Tfp sw sig c Tft sens sig Throttle body (throttle position sensor) Tp sens 1 sig Tp sens 2 sig Trs sig b Trs sig c Trs sig p Underhood fuse block (on left side of engine compartment)
5.3L 5.3L, Engine Performance Wiring Diagram (1 of 5) for Isuzu Ascender LS 2005 List of elements for 5.3L, Engine Performance Wiring Diagram (1 of 5) for Isuzu Ascender LS 2005: 62 (not used) 5 volt A/c ref pre sen A/c refrigerant pressure sensor (on bottom right side of engine) A12 Anti-lock brakes system App sens 1 App sens 2 Battery Computer data lines system Cool fan clu ctrl Cool fan speed sig Cooling fans system Crank fuse 17 10a Crank volt Cruise control system Cruise on sw sig Ecm i fuse 10a Eng speed sig Engine control module (ecm) (on left front of engine compt) Engine speed Evap can Evaporative emission (evap) canister vent solenoid (rear of fuel tank) Exterior lights system Ftp sens Fuel lvl sens sig Fuel pump & sender assembly Fuel pump rly Fuel tank pressure (ftp) sensor (at top left rear of fuel tank) Fuel/ pmp relay G107 (lower left side of engine) G305 (on outside of left frame rail, near fuel tank) Hot at all times Hot in run or start Hot in start Ign 0 volt Ign 1 volt Ign e fuse 10a Instrument cluster system Instrument panel cluster Logic Low ref Malfunction indicator lamp Mil ctrl Pcm b fuse 10 20a Pnk Pnp sw Pwr diag Res/acc sw sig Serial data Serial data 2 Set/coast sw sig St/lp fuse 12 25a Start relay Starting/charging system Stop lamp volts Stoplamp switch (w/o eap: on brake pedal support) (w/ eap: top of brake pedal bracket) Tan Tcc brake sw Tcm/ canister fuse 15 10a Underhood fuse block (on left side of engine compt) Vss 5.3L, Engine Performance Wiring Diagram (2 of 5) for Isuzu Ascender LS 2005 List of elements for 5.3L, Engine Performance Wiring Diagram (2 of 5) for Isuzu Ascender LS 2005: 32 (on brake booster) brake booster vacuum sensor (w/ eap: under lfet side of i/p) (w/o eap: on accelerator bracket) accelerator pedal position (app) sensor 4wd lo sig 5 volt A/c comp rly Air conditioning system Anti-lock brakes system Brk booster Cooling fans system Cylinder shutoff solenoid 1 Cylinder shutoff solenoid 2 Cylinder shutoff solenoid 3 Cylinder shutoff solenoid 4 Del torque Engine control module (ecm) (on left front of engine compt) Front hi sig Ho2s hi sig Ho2s htr lo Ho2s htr sig Ho2s lo sig Hot in acc, run or start Iat sensor Ign 0 fuse 47 10a Low ref Maf sensor Pnk Rear fuse block (below left rear seat) Req torq Tan Transmissions system Valve lifter oil manifold (vlom) assembly Veh stop fuse 34 15a 5.3L, Engine Performance Wiring Diagram (3 of 5) for Isuzu Ascender LS 2005 List of elements for 5.3L, Engine Performance Wiring Diagram (3 of 5) for Isuzu Ascender LS 2005: 33 (on left side of engine compt) underhood fuse block (on right rear of engine, near starter) crankshaft position (ckp) sensor (on top of of engine) (on top rear of engine, near transmission) camshaft position (cmp) sensor (on top rear of engine, near transmission) engine oil pressure (eop) sensor A11 C11 Ecm fuse 29 10a Eng i fuse 26 15a Evaporative emission (evap) canister purge solenoid F10 F11 f11 G108 (lower left side of engine) Heated oxygen sensor (ho2s) bank 1 sensor 1 (on left bank exhaust pipe, ahead of catalytic converter) Heated oxygen sensor (ho2s) bank 1 sensor 2 (on left bank exhaust pipe, behind catalytic converter) Heated oxygen sensor (ho2s) bank 2 sensor 1 (on right bank of exhaust pipe, ahead of catalytic converter) Heated oxygen sensor (ho2s) bank 2 sensor 2 (on right bank exhaust pipe, behind catalytic converter) Hot at all times Iat Inj a fuse 31 20a Inj b fuse 56 20a Maf Mass airflow (maf)/intake air temperature (iat) sensor (in air intake duct) Nca O2a fuse 55 10a O2b fuse 54 10a Pnk Pnk pnk Powertrain relay 60 Red Tac fuse 23 15a Tan Underhood fuse block (on left side of engine compt) 5.3L, Engine Performance Wiring Diagram (4 of 5) for Isuzu Ascender LS 2005 List of elements for 5.3L, Engine Performance Wiring Diagram (4 of 5) for Isuzu Ascender LS 2005: 7 Fuel injectors Left knock sensor (ks) 1 (left side of engine) Manifold absolute pressure (map) sensor (on top of engine) Pnk Red Tan Throttle body 5.3L, Engine Performance Wiring Diagram (5 of 5) for Isuzu Ascender LS 2005 List of elements for 5.3L, Engine Performance Wiring Diagram (5 of 5) for Isuzu Ascender LS 2005: 59 (left side of engine) 12 volt ref 5 volt ref Ckp sensor Cmp sensor Ctrl Cyl shut sol 1 Cyl shut sol 2 Cyl shut sol 3 Cyl shut sol 4 Ect sens sig Engine control module (ecm) (on left front of engine compt) Engine coolant temperature (ect) sensor (left front of engine) Evap can sol Fuel inj 1 ctrl Fuel inj 2 ctrl Fuel inj 3 ctrl Fuel inj 4 ctrl Fuel inj 5 ctrl Fuel inj 6 ctrl Fuel inj 7 ctrl Fuel inj 8 ctrl G109 Gen field Gnd Ho2s heater lo Ho2s hi Ho2s hi sig Ho2s htr lo Ho2s low Ho2s low sig Ign Ign ctrl 1 Ign ctrl 2 Ign ctrl 3 Ign ctrl 4 Ign ctrl 5 Ign ctrl 6 Ign ctrl 7 Ign ctrl 8 Ignition coils Ks 1 sens sig Ks 2 sensor sig Low ref Map sensor Nca Nca nca Oil press Pnk Red Ref lo Right knock sensor (ks) 2 (right side of engine) Spark plug Starting/ charging system Tac mtr ctrl 1 Tac mtr ctrl 2 Tan Tp sens 1 sig Tp sens 2 sig
EXTERIOR LIGHTS Exterior Lamps Wiring Diagram (1 of 2) for Isuzu Ascender LS 2005 List of elements for Exterior Lamps Wiring Diagram (1 of 2) for Isuzu Ascender LS 2005: 52 (ipc) (on left front of engine) engine control module (ecm) (on left front of engine) powertrain control module (pcm) 4.2l 5.3l A10 A14 Auto Back-up lamps circuit Body control module (bcm) (beneath left rear seat, on rear fuse block) D10 Drl defeat Elek brk fuse 19 30a F park fuse 37 10a G102 (at left side of engine compt) G103 (at right rear of engine compt) G107 (4.2l: on lower left side of engine) (5.3l: lower left side of engine) G201 G403 (on left side of rear frame crossmember) Hazard switch Head Headlamp switch Hot at all times Ign e fuse 22 10a Instrument panel cluster Left Left front marker lamp Left front park/ turn signal lamp Left turn ind Nca Park Park lamp relay 30 Pnk Prk lmp on Prk lmp rly Rear fuse block (below left rear seat) Red Right Right front marker lamp Right front park/ turn signal lamp Right turn ind Sp201 (lower right center of dash) Tan To tr park fuse 42 (diagram 2 0f 2) Trailer connector (under rear bumper) Trailer fuse 32 30a Transmission control module (tcm) (left front of engine compt) Trl l trn fuse 51 10a Trl r trn fuse 50 10a Turn signal/ multi- function switch Turn switch Underhood fuse block (on left side of engine compt) Exterior Lamps Wiring Diagram (2 of 2) for Isuzu Ascender LS 2005 List of elements for Exterior Lamps Wiring Diagram (2 of 2) for Isuzu Ascender LS 2005: 45 Battery C2 f2 Center high mount stop lamp (chmsl) Driver outside rearview mirror Driver's door module (on lower part of driver's door switch panel) Flash fuse 52 25a From a f park fuse 37 (diagram 1 0f 2) Front passenger's door module (on lower part of passenger's door switch panel) G201 G401 (on lower left "d" pillar) G402 (on lower right "d" pillar) Ground Hazard sw Hot at all times Left license lamp Left tail lamp assembly Left turn fuse 38 10a Lr lamp volt Lr park fuse 14 10a Lt trn sig voltage Lt turn sig Mirror lt turn sig Mirror rt turn sig Park Passenger outside rearview mirror Rear fuse block (below left rear seat) Right license lamp Right tail lamp assembly Rr lamp volt Rr park fuse 17 10a Rt trn sig voltage Rt turn fuse 43 10a Rt turn sig Sp201 (lower right center of dash) St/lp fuse 12 25a Stop Stoplamp sw Stoplamp switch (w/ eap: top of brake pedal bracket) (w/o eap: on brake pedal support) Tan Tr park fuse 42 10a Turn Turn signal/hazard flasher module (behind left side of dash) Underhood fuse block (on left side of engine compt) Veh chmsl fuse 16 10a Veh stop fuse 34 15a
4.2L 4.2L, Back-up Lamps Wiring Diagram for Isuzu Ascender LS 2005 List of elements for 4.2L, Back-up Lamps Wiring Diagram for Isuzu Ascender LS 2005: 33 A trailer connector (under rear bumper) A9 c1 B12 B13 B13 c4 Back up Back up fuse 27 15a Back up lamp voltage c3 Battery Body control module (bcm) (beneath left rear seat, on rear fuse block) C3 b4 Computer data lines system G108 (on lower left side of engine) G401 (on lower left "d" pillar) G402 (on lower right "d" pillar) Hot at all times Hot in run or start Left tail lamp assembly Nca Park/neutral position switch (on left side of transmission) Pnk Powertrain control module (pcm) (on left front of engine) Rear fuse block (below left rear seat) Right tail lamp assembly Ser data Serial data Tbc 5 fuse 32 10a Tr sw a Tr sw b Tr sw c Tr sw p Trlr b/u fuse 4 10a Underhood fuse block (on left side of engine compt)
5.3L 5.3L, Back-up Lamps Wiring Diagram for Isuzu Ascender LS 2005 List of elements for 5.3L, Back-up Lamps Wiring Diagram for Isuzu Ascender LS 2005: 36 A trailer connector (under rear bumper) A9 c1 B12 B13 B13 c4 Back up Back up fuse 27 15a Back up lamp voltage c3 Battery Body control module (bcm) (beneath left rear seat, on rear fuse block) Bus+ Bus- C3 b4 Computer data lines system Engine control module (ecm) (on left front of engine compt) G108 (lower left side of engine) G401 (on lower left "d" pillar) G402 (on lower right "d" pillar) Hot at all times Hot in run or start Left tail lamp assembly Nca Park/neutral position switch (on left side of transmission) Pnk Rear fuse block (below left rear seat) Right tail lamp assembly Serial data Tan Tbc 5 fuse 32 10a Tr sw a Tr sw b Tr sw c Tr sw p Transmission control module (tcm) (left front of engine compt) Trlr b/u fuse 4 10a Underhood fuse block (on left side of engine compt)
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 4) for Isuzu Ascender LS 2005 List of elements for Ground Distribution Wiring Diagram (1 of 4) for Isuzu Ascender LS 2005: 61 (lwb) coolant bypass valve A/c low pressure switch A12 Audio amplifier ground shield Battery Braided wire C10 C103 d Cooling fan D10 Data link connector (dlc) Digital radio receiver E10 F10 Front passenger door module (fpdm) G101 (at left side of engine compartment) G102 (at left side of engine compartment) G103 (at right rear of engine compartment) G104 (at left rear of hood) G105 (at left side of engine compartment) G106 (on left front wheelwell) G109 (4.2l) (on lower left side of engine) G110 (4.2l: on lower left side of engine) (5.3l: lower left side of engine) G303 (on lower right "b" pillar) Hazard lamp switch Headlamp dimmer switch Horn assembly Hvac control module Ignition coil 1 Ignition coil 2 Ignition coil 3 Ignition coil 4 Ignition coil 5 Ignition coil 6 Ignition key alarm switch Inflatable restraint front passenger presence system (pps) module Inflatable restraint sensing & diagnostic module (sdm) Instrument panel cluster (ipc) Nca Onstar ground shield Onstar microphone ground shield 2 Passenger seat Radio Radio ground shield Rear window washer fluid pump Right front fog lamp Right front park/turn signal lamp Right headlamp Right rear door latch assembly Right rear window switch Rollover sensor Tan Transfer case shift control module Turn signal multifunction switch Underhood fuse block (on left side of engine compt) Vehicle communication interface module (vcim) W/ premium sound bose system Windshield washer fluid level switch Windshield washer fluid pump Windshield wiper motor Windshield wiper/ washer switch Ground Distribution Wiring Diagram (2 of 4) for Isuzu Ascender LS 2005 List of elements for Ground Distribution Wiring Diagram (2 of 4) for Isuzu Ascender LS 2005: 37 (4.2l) secondary air injection (air) pump (limited) left quarter glass switch (limited) right quarter glass switch (lwb) left rear reading lamp (lwb) rap relay 22 (lwb) right rear reading lamp A11 B11 Body control module (bcm) Cargo lamp Center courtesy/ reading lamp Driver door module (ddm) Driver seat Electronic brake control module (ebcm) Front courtesy/ reading lamp Fuel pump & sender assembly G302 (on lower G304 (outside of left frame rail, near electronic brake control module) G305 (on outside of left frame rail, near fuel tank) G306 (on body panel, left of rear door) Garage door opener Inside air temperature sensor assembly Inside rearview mirror Left "b" pillar) Left rear door latch assembly Left rear window switch Left vanity mirror lamp Lock relay 18 Nca Onstar ground shield 1 Outside moisture sensor Rear fuse block (below left rear seat) Right vanity mirror lamp Sun roof module Sun roof switch Swb Unlock relay 24 Ground Distribution Wiring Diagram (3 of 4) for Isuzu Ascender LS 2005 List of elements for Ground Distribution Wiring Diagram (3 of 4) for Isuzu Ascender LS 2005: 53 (2wd) traction control switch (5.3l) (auto) auxiliary hvac control module (left side of engine) (not used) (swb) auxiliary blower motor Automatic a/c Automatic transmission shift lock actuator Auxiliary hvac control module Auxiliary mode actuator Auxiliary power outlet console B16 Blower motor control module Blower motor resistor assembly C10 Cigar lighter Console auxiliary power outlet D10 Data link connector (dlc) E10 Electronic adjustable pedals (eap) relay Front auxiliary power outlet G109 G201 (near right front of lower console) Headlamp switch Hvac control module Ignition coil 1 Ignition coil 2 Ignition coil 3 Ignition coil 4 Ignition coil 5 Ignition coil 6 Ignition coil 7 Ignition coil 8 Ignition lock cylinder control actuator Inflatable restraint steering wheel module coil Instrument panel cluster (ipc) Lwb lwb Manual a/c Nca Rear window wiper/ washer switch Recirculation actuator Splice pack sp201 (lower right center of dash) Steering wheel control assembly Steering wheel control switch assembly lower left Steering wheel control switch assembly lower right Steering wheel control switch assembly upper left Steering wheel control switch assembly upper right Swb Transfer case shift control module Transfer case shift control switch Turn signal/ hazard flasher module Underhood fuse block (on left side of engine compartment) Ground Distribution Wiring Diagram (4 of 4) for Isuzu Ascender LS 2005 List of elements for Ground Distribution Wiring Diagram (4 of 4) for Isuzu Ascender LS 2005: 42 (4.2l) secondary air injection (air) solenoid (not used) (5.3l) 4.2l 5.3l A/c compressor clutch assembly Audio amplifier Auxiliary blower motor control processor Brake fluid level switch C c102 Cargo lamp Center high mounted stoplamp (chmsl) E6 c1 Eap relay 49 Engine control module (ecm) F/pump relay 41 Fan relay 45 Front axle actuator G107 (4.2l: on lower left side of engine) (5.3l: lower left side of engine) G108 (4.2l: on lower left side of engine) (5.3l: lower left side of engine) G401 (on lower left "d" pillar) G402 (on lower right "d" pillar) G403 (on left side of rear frame crossmember) Hdm relay 46 Left front fog lamp Left front park/turn signal lamp Left headlamp Left license lamp Left taillamp assembly Liftgate module (lgm) Mass air flow (maf) sensor/ intake air temperature (iat) Nca Park/ neutral position (pnp) switch Powertrain control module (pcm) Rear window defogger grid Rear window wiper motor Right license lamp Right taillamp assembly Trailer connector Transmission control module (tcm) Underhood fuse block (on left side of engine compartment) W/ premium sound bose system, lwb W/ premium sound bose system, swb
HEADLIGHTS Headlights Wiring Diagram for Isuzu Ascender LS 2005 List of elements for Headlights Wiring Diagram for Isuzu Ascender LS 2005: 74 (4.2l) (5.3l) (lower right center of dash) sp201 5.3l A c2 A12 Ambient light sensor Ambient light/ sunload sensor assembly (in center of upper dash trim panel) Auto Automatic a/c B10 B14 B14 c4 B3 c2 Body control module (bcm) (beneath left rear seat, on rear fuse block) C12 c2 C2 c2 C4 f2 Coils fuse 14 10a Drl defeat Drl defeat ctrl Drl defeat ind E11 E14 E6 c1 F10 Flash to pass Fog lamp ind Fog lamp sw Fog lamp switch Fog lp fuse 11 10a Foglamp relay 39 G102 (at left side of engine compt) G103 (at right rear of engine compt) G107 (lower left side of engine) G108 (lower left side of engine) G201 Hdlmp on sig Hdm fuse 53 fuse 57 15a Head Head- lamp on ind Headlamp driver module relay 46 Headlamp hi-relay 43 Headlamp switch High beam Hot at all times Ind ctrl Interior lights system Led dim sig Left front foglamp Left headlamp Left high beam headlamp Left low beam headlamp Low beam Low ref Lt high hdlp fuse 5 10a Lt low hdlp fuse 6 10a Manual a/c Nca Park Pnk Rear fuse block (below left rear seat) Right front foglamp Right headlamp Right high beam headlamp Right low beam headlamp Rly ctrl Rt hi hdlp fuse 2 10a Rt low hdlp fuse 3 10a Sense sig Sw on sig Tan Turn signal/ multifunction switch Underhood fuse block (on left side of engine compt) Wiper/ washer system
HORN Horn Wiring Diagram for Isuzu Ascender LS 2005 List of elements for Horn Wiring Diagram for Isuzu Ascender LS 2005: 14 A note horn Body control module (bcm) (beneath left rear seat, on rear fuse block) E12 F note horn F4 c4 G103 (at right rear of engine compt) Horn assembly (in left front of engine compt) Horn fuse 21 15a Horn relay Horn relay control Hot at all times Switch Turn signal/ multifunction switch horn Underhood fuse block (on left side of engine compt)
INSTRUMENT CLUSTER
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram (1 of 2) for Isuzu Ascender LS 2005 List of elements for Courtesy Lamps Wiring Diagram (1 of 2) for Isuzu Ascender LS 2005: 54 (not used) A11 A12 B11 B17 B18 Batt + Body control module (bcm) (beneath left rear seat, on rear fuse block) C1 f12 C2 b10 C3 f6 C4 b3 Courtesy lamp switch Data Door ajar Door ajar input Driver door latch assembly Driver's door module (on lower part of driver's door switch panel) F10 F11 F8 c2 Front passenger door latch assembly Front passenger's door module (on lower part of passenger's door switch panel) G201 G302 (on lower left "b" pillar) G303 (on lower right "b" pillar) Gnd Ground Headlamp switch Hot at all times Interior lamp defeat switch Lamp ctrl Lamp on Lamp supp Left rear door latch assembly Lift gate ajar input Lift glass ajar input Liftgate latch assembly (on liftgate) Liftgate module (inside liftgate) Liftglass ajar switch (inside top of liftgate) Lmp defeat Low ref Lr dr sig Nca Rear fuse block (below left rear seat) Right rear door latch assembly Rr dr sig Serial data class 2 Sp201 (lower right center of dash) Sp205 (below left side of i/p) Sp306 (under right rear seat) Tan Tbc 3 fuse 4 10a Tbc 4 fuse 40 10a Courtesy Lamps Wiring Diagram (2 of 2) for Isuzu Ascender LS 2005 List of elements for Courtesy Lamps Wiring Diagram (2 of 2) for Isuzu Ascender LS 2005: 12 Cargo lamp (lwb) Cargo lamp (swb) Center courtesy/ reading lamp Courtesy Front courtesy/ reading lamp G302 (on lower left "b" pillar) Left rear reading lamp (lwb) Left vanity mirror lamp Nca Reading Right rear reading lamp (lwb) Right vanity mirror lamp Instrument Illumination Wiring Diagram (1 of 2) for Isuzu Ascender LS 2005 List of elements for Instrument Illumination Wiring Diagram (1 of 2) for Isuzu Ascender LS 2005: 43 (automatic a/c) (automatic a/c) (manual a/c) (manual a/c) A15 Auxiliary hvac control module (at rear of lower console) B c1 B1 a1 B1 b16 B9 c1 C1 c C3 e3 C4 b13 Front auxiliary blower motor switch G201 G302 (on lower left "b" pillar) G303 (on lower right "b" pillar) Garage door opener Headlamp switch Hot at all times Hvac control module Inflatable restraint steering wheel module coil Instrument panel cluster (ipc) Left quarter glass switch (lwb) Left rear window switch Lower left switch Lower right switch Lwb Nca Rear fuse block (below left rear seat) Rear window wiper/ washer switch Right quarter glass switch (lwb) Right rear window switch Sp201 (lower right center of dash) Steering wheel control assembly (on steering column) Steering wheel controls fuse Sunroof switch Swb Tbc 2 fuse 7 10a Tbc 5 fuse 32 10a Traction control switch Transfer case shift control switch Upper left switch Upper right switch Instrument Illumination Wiring Diagram (2 of 2) for Isuzu Ascender LS 2005 List of elements for Instrument Illumination Wiring Diagram (2 of 2) for Isuzu Ascender LS 2005: 54 2wd 4 hi 4 lo 5v ref A10 Afwd Auto B1 pulse width modulated B10 B11 B13 B14 Batt + Body control module (bcm) (beneath left rear seat, on rear fuse block) C4 b11 D1 c2 Data Dimming Driver memory seat switch Driver's door module (on lower part of driver's door switch panel) Drl defeat E11 Electronic brake control module (on inner left frame rail, adjacent to transmission) F8 c2 Fog rly ctrl G102 (at left side of engine compt) G201 G302 (on lower left "b" pillar) Ground Hdlp on Head Headlamp on indicator Headlamp switch Illum Input Lamp control Lamp indicator front fog Led dim Low ref Low traction Mem pwr Nca Park Park lamp on Pnk Rear fuse block (below left rear seat) Sp201 (lower right center of dash) Sp205 (below left side of i/p) Sp306 (under right rear seat) Traction control switch Traction off Transfer case shift control module (behind left lower dash) Transfer case shift control switch Underhood fuse block (on left side of engine compt)
MEMORY SYSTEMS Adjustable Pedal Wiring Diagram for Isuzu Ascender LS 2005 List of elements for Adjustable Pedal Wiring Diagram for Isuzu Ascender LS 2005: 48 5v ref Adj pedal Aft B10 Back up fuse 27 15a Bat (+) Batt Batt (+) C2 a5 C2 a8 C2 e7 Driver door module (on lower part of driver's door switch panel) Driver memory seat switch Driver's memory seat module (under driver's seat) Eap assembly (under left side of dash) Eap fuse 15 (4.2l) 15a fuse 59 (5.3l) 15a Eap relay (in underhood fuse block) Eap relay 49 Electronic adjustable pedals (eap) switch Exit Fore Forward sig Fuse holder G108 (4.2l: on lower left side of engine) (5.3l: lower left side of engine) G201 G302 (on lower left "b" pillar) Ground Hot at all times Hot in on or start Illum ctrl Lgm/dsm fuse 19 10a Low ref Lt doors circuit breaker 2 25a Mem Mem 2 sw Mem1 sw Memory seats circuit Nca Park/neutral position (pnp) switch (on left side of transmission) Pnk Rear fuse block (below left rear seat) Rearward sig Red Serial data Sp201 (lower right center of dash) Splice pack sp306 (under right rear seat) Tan Underhood fuse block (on left side of engine compt) Driver"s Memory Seat Wiring Diagram for Isuzu Ascender LS 2005 List of elements for Driver"s Memory Seat Wiring Diagram for Isuzu Ascender LS 2005: 94 (under 5v ref A10 A11 A12 Adj pedal Adjustable pedal circuit B10 B11 B12 Bac Back Batt Batt (+) C2 c10 Class 2 serial data Ddm fuse 10a Dr seat lum motor fwd Dr seat lum motor rwd Driver door module (on lower part of driver's door switch panel) Driver lumbar adjust switch Driver memory seat switch Driver seat adjuster switch Driver seat front position sensor Driver seat front vertical motor Driver seat horizontal motor Driver seat horizontal position sensor Driver seat lumbar horizontal motor Driver seat lumbar horizontal position sensor Driver seat rear position sensor Driver seat rear vertical motor Driver seat recline motor Driver seat recline position sensor Driver's seat) Driver's memory seat module (under driver's seat) Eap assembly (under left side of dash) Exit For- ward Forward sig Frt dwn Frt up Frt vert mtr dn ctrl Frt vert mtr pos sen sig Frt vert mtr up ctrl Frt-dwn Frt-up Fwd G302 (on lower left ``b" pillar) Gnd Ground c1 Heated seat back Heated seat cushion Heated seat pwr Heated seat temp sens Heated seat therm sig Hor pos sens sig Horiz mtr fwd ctrl Horiz mtr pos sen sig Horiz mtr rwd ctrl Hot at all times Illum ctrl Lgm/dsm fuse 19 10a Low ref Lum forward sw sig Lum mtr fwd ctrl Lum rearward sw sig Mem Mem 1 sw Mem 2 sw Pnk Rear down Rear fuse block (below left rear seat) Rear up Rear- ward Rearward sig Rec bck Rec for Rec-back Rec-for Recline mtr fwd ctrl Recline mtr pos sen sig Recline mtr rwd ctrl Red Rr dwn Rr up Rr vert mtr dn ctrl Rr vert mtr pos sen sig Rr vert mtr up ctrl Seats circuit breaker 30a Seats system Serial data c2 Splice pack sp306 (under right rear seat) Sw power Tan Memory Mirrors Wiring Diagram for Isuzu Ascender LS 2005 List of elements for Memory Mirrors Wiring Diagram for Isuzu Ascender LS 2005: 56 (on lower right ``b" pillar) g303 5v ref Bat (+) Batt C10 Class 2 serial data Computer data lines system D10 Ddm fuse 10 10a Door switch panel) Down Down sig Driver Driver memory seat switch Driver outside rearview mirror Driver sig Driver's door module (on lower part of driver's Exit Exterior lights system Front passenger's door module (on lower part of passenger's door switch panel) G302 (on lower left ``b" pillar) Gnd Heater gnd Horiz Horiz pos sig Horizontal Hot at all times Ign pwr Illum ctrl Left Left sig Low ref Lt doors circuit breaker 2 25a Mem Memory 1 sw Memory 2 sw Mir common Mir down ctrl Mir right ctrl Mirror heater Outside rearview mirror switch Pass Passenger outside rearview mirror Passenger sig Pdm fuse 12 10a Pnk Rear fuse block (below left rear seat) Red Right Right sig Rt doors circuit breaker 1 25a Tan Up sig Vert Vert pos sig Vertical
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 6) for Isuzu Ascender LS 2005 List of elements for Power Distribution Wiring Diagram (1 of 6) for Isuzu Ascender LS 2005: 83 (4.2l) (4.2l) (5.3l) (5.3l) (not used) (on left side of engine compt) underhood fuse block 1-2 shift solenoid (1-2 ss) valve 2-3 shift solenoid (2-3 ss) valve 3-2 shift solenoid (3-2 ss) valve 4.2l 4wd fuse 48 15a A/c fuse 30 10a A/c relay 44 A11 A18 Abs fuse 33 60a Acc Atc fuse 8 30a Automatic transmission Automatic transmission shift lock actuator Auxiliary console mode actuator (swb) Auxiliary hvac control module (swb) B11 Battery Body control module (bcm) C175 C2 c1 Console mode actuator Crank fuse 17 10a D9 c1 Defrost actuator Electronic brake control module Elek brk fuse 19 30a Engine control module (ecm) (5.3l) F11 F6 a6 Fog lp fuse 11 15a Fog lp relay 39 Front axle actuator Fusible link (8 ga-red) Generator Horn fuse 21 15a Horn relay 40 Hvac 1 fuse 39 10a Hvac control module Hvac control module (manual a/c) Hvac fuse 44 30a I/p batt fuse 48 125 a Ign 0 fuse 47 10a Ign a fuse 34 40a Ignition switch Left air temperature actuator Lock Nca Off Pnk Powertrain control module (pcm) (4.2l) Powertrain control module (pcm) (4.2l) engine control module (ecm) (5.3l) Rear fuse block (below left rear seat) Recirculation actuator Red Right air temperature actuator Run Start Starter Starter relay 47 Starter solenoid Tbc ig fuse 50 3a To blower fuse 35 (diagram 2 of 6) To brake fuse 51 (diagram 2 of 6) To rear fuse block lgm/dsm fuse 19 (diagram 4 of 6) Torque converter clutch (tcc) solenoid valve Torque converter clutch pulse width modulation (tcc pwm) solenoid valve Traction control switch (2wd) (automatic a/c) Trailer connector Trailer fuse 32 30a Transfer case Transfer case shift control module Transfer case shift control switch Turn signal/ multi-function switch Underhood fuse block (on left side of engine compt) Underhood fuse block (on left side of engine compt) c1 W/s wash fuse 9 15a W/s wash relay 42 Power Distribution Wiring Diagram (2 of 6) for Isuzu Ascender LS 2005 List of elements for Power Distribution Wiring Diagram (2 of 6) for Isuzu Ascender LS 2005: 72 (4.2l) (5.3l) (not used) (on left side of engine compt) underhood fuse block (swb) (lwb) (w/ traction control) (w/o traction control) 4.2l 5.3l A20 Acc Air fuse 56 60a (4.2l) Automatic a/c Aux pwr 1 fuse 46 20a B10 B15 Blower fuse 35 40a Blower motor control module Blower motor resistor assembly Body control module (bcm) Brake fuse 51 10a C11 Center high mounted stop lamp Cigar fuse 13 20a Cigar lighter Console auxiliary power outlet Data link connector (dlc) Eap fuse 15 fuse 59 15a Eap relay 49 Ecas fuse 1 30a Electronic adjustable pedals (eap) relay Electronic brake control module (ebcm) Engine control module (ecm) Flash fuse 52 25a From b elek brk fuse 19 (diagram 1 of 6) From hvac 1 c fuse 39 (diagram 1 of 6) From rear l fuse block (diagram 4 of 6) Front auxiliary power outlet Front wiper motor Frt wpr fuse 33 25a G201 Ign b fuse 36 40a Ignition switch Instrument panel cluster (ipc) Ipc/dic fuse 24 10a Left tail lamp assembly Lock off M e Manual a/c Nca Outside moisture sensor Pnk Powertrain control module (pcm) Rain fuse 29 10a Rear fuse block (below left rear seat) Red Right tail lamp assembly Run Secondary air injection (air) pump relay Sp201 (lower right center of dash) St/lp fuse 12 25a Start Stop lamp switch Tbc acc fuse 31 3a Tbc run fuse 52 3a Tcm fuse 35 10a (5.3l) To underhood fuse block (diagram 3 of 6) To wash fuse 7 (diagram 3 of 6) Transmission control module (tcm) Turn signal/ hazard flasher module Underhood fuse block (on left side of engine compt) Veh chmsl fuse 16 10a Veh stop fuse 34 15a Power Distribution Wiring Diagram (3 of 6) for Isuzu Ascender LS 2005 List of elements for Power Distribution Wiring Diagram (3 of 6) for Isuzu Ascender LS 2005: 72 (4.2l) (5.3l) 4.2l A/t shift lock actuator B11 B2 c1 Back-up fuse 27 15a Body control module (bcm) Btsi fuse 25 10a C12 C2 f8 Coils fuse 14 10a E10 E12 Eap relay 49 Ecm fuse 29 10a (5.3l) Eng 1 fuse 26 10a Engine control module (ecm) Evaporative emission (evap) canister purge solenoid Evaporative emission (evap) canister vent solenoid F/pmp relay 41 Fan fuse 20 10a Fan relay 45 From d flash fuse 52 (diagram 2 of 6) From ignition switch (diagram 2 of 6) From pcm 1 fuse 28 f (diagram 3 of 6) Fuel injector 1 Fuel injector 2 Fuel injector 3 Fuel injector 4 Fuel injector 5 Fuel injector 6 Hdlp-hi relay 43 Hdm fuse 53 (4.2l) fuse 57 (5.3l) 15a Hdm relay 46 Headlights system Heated oxygen sensor (ho2s) sensor 1 Heated oxygen sensor (ho2s) sensor 2 Ignition coil 1 Ignition coil 2 Ignition coil 3 Ignition coil 4 Ignition coil 5 Ignition coil 6 Inflatable restraint front passenger presence (pps) module Inflatable restraint sensing and diagnostic module (sdm) Lt hi hdlp fuse 5 10a Lt low hdlp fuse 6 10a Nca O2 fuse 29 10a Park/neutral position (pnp) switch Pcm 1 fuse 28 15a Pcm b fuse 10 20a Pnk Powertrain control module (pcm) Rear wash relay 38 Roll- over sensor Rt hi hdlp fuse 2 10a Rt low hdlp fuse 3 10a Sir fuse 18 10a Stop lamp switch Tac fuse 23 10a Tbc 1 fuse 31 (4.2l) fuse 58 (5.3l) 10a Tcm/ canister fuse 15 10a (5.3l) To ign e fuse 22 (diagram 4 of 6) To o2 fuse 29 (diagram 3 of 6) To powertrain relay 60 (diagram 6 of 6) Trailer connector Transmission control module (tcm) Trlr b/u fuse 4 10a Underhood fuse block (on left side of engine compt) Wash fuse 7 20a Power Distribution Wiring Diagram (4 of 6) for Isuzu Ascender LS 2005 List of elements for Power Distribution Wiring Diagram (4 of 6) for Isuzu Ascender LS 2005: 58 (4.2l) (not used) A/c relay 44 A16 (automatic a/c) (manual a/c) A19 Air sol fuse 54 15a Air sol relay 55 (4.2l) Amp fuse 11 20a Audio amplifier Auxiliary hvac control module (lwb) B13 Body control module (bcm) C10 D10 D12 Ddm fuse 10 10a Digital radio receiver Driver door module (ddm) Driver memory seat module E12 E2 c3 From backup fuse 27 g (diagram 3 of 6) From hvac b fuse 36 h (diagram 4 of 6) From underhood fuse block, battery fuse 48 (diagram 1 of 6) Front passenger door module (fpdm) Garage door opener Hvac b fuse 36 10a Hvac control module Ign e fuse 22 10a Inside rearview mirror Instrument panel cluster (ipc) Left rear window switch Lgm/dsm fuse 19 10a Liftgate module (lgm) Lt doors circuit breaker 2 25a Nca Oh batt/onstar fuse 27 10a Park/ neutral position (pnp) switch Pdm fuse 12 10a Pnk Radio Radio fuse 41 15a Rear fuse block (below left rear seat) Red Right rear window switch Rt doors circuit breaker 1 25a Secondary air injection (air) pump relay (4.2l) Stop lamp switch Tbc 5 fuse 32 10a Tbc ign 1 fuse 16 10a To aux pwr 1 fuse 46 (diagram 2 of 6) To ecm 1 fuse 28 (diagram 6 of 6) To lgm 2 fuse 3 (diagram 5 of 6) To tbc 5 fuse 32 (diagram 4 of 6) Traction control switch (2wd) (manual a/c) Turn signal/ multi- function switch Underhood fuse block (on left side of engine compt) Vehicle communication interface module (vcim) Power Distribution Wiring Diagram (5 of 6) for Isuzu Ascender LS 2005 List of elements for Power Distribution Wiring Diagram (5 of 6) for Isuzu Ascender LS 2005: 44 (not used) A12 Auxiliary blower motor Auxiliary blower motor control processor B17 B17 c3 Blower motor auxiliary fuse 30a Body control module (bcm) Driver lumbar adjuster switch Driver memory seat module Driver seat adjuster switch From amp fuse 11 j (diagram 4 of 6) From tbc 4 k fuse 40 (diagram 5 of 6) G302 (on lower left "b" pillar) Left quarter glass switch Lgm 2 fuse 3 30a Liftgate module (lgm) Lock relay Locks fuse 10a Lwb Memory seats Nca Park lp relay 30 Passenger lumbar adjuster switch Passenger seat adjuster switch Power seats Rap relay (lwb) Rear fuse block (below left rear seat) Rear window wiper motor Right quarter glass switch Rr fog fuse 5 10a (not used) Rr fog lp relay 45 (not used) Rr hvac fuse 13 30a Rr wiper circuit breaker 9 15a Seats circuit breaker 8 30a Sun roof module (swb) Sun roof motor Sunroof fuse 28 (lwb) fuse 20 (swb) 20a Tbc 2 fuse 7 10a Tbc 3 fuse 4 10a Tbc 4 fuse 40 10a To vent wdo fuse (diagram 5 of 6) Unlock relay Vent wdo fuse 20 20a Power Distribution Wiring Diagram (6 of 6) for Isuzu Ascender LS 2005 List of elements for Power Distribution Wiring Diagram (6 of 6) for Isuzu Ascender LS 2005: 55 (5.3l) (diagram 4 of 6) (diagram 6 of 6) 1-2 shift solenoid (1-2 ss) valve 2-3 shift solenoid (2-3 ss) valve 3-2 shift solenoid (3-2 ss) valve A11 Automatic transmission C11 C175 Ecm 1 fuse 28 15a Eng 1 fuse 26 15a Engine control module (ecm) Evapora- tive emis- sion (evap) canister purge solenoid F10 F11 From air sol fuse 54 o From inj b fuse 56 n From pcm b fuse 10 (diagram 3 of 6) Fuel injector 1 Fuel injector 2 Fuel injector 3 Fuel injector 4 Fuel injector 5 Fuel injector 6 Fuel injector 7 Fuel injector 8 Heated oxygen sensor (h02s) bank 1 sensor 1 Heated oxygen sensor (h02s) bank 1 sensor 2 Heated oxygen sensor (h02s) bank 2 sensor 1 Heated oxygen sensor (h02s) bank 2 sensor 2 Ignition coil 1 Ignition coil 2 Ignition coil 3 Ignition coil 4 Ignition coil 5 Ignition coil 6 Ignition coil 7 Ignition coil 8 Inj a fuse 31 20a Inj b fuse 56 20a Mass air flow (maf) sensor/ intake air temperature (iat) O2 a fuse 55 10a O2 b fuse 54 10a Pnk Powertrain relay 60 (5.3l) Red Tac fuse 23 15a To o2a fuse 55 (diagram 6 of 6) Torque converter clutch (tcc) solenoid valve Torque converter clutch pulse width modulation (tcc pwm) solenoid valve Trans fuse 53 15a Transmission control module (tcm) Underhood fuse block (on left side of engine compt) Valve lifter oil manifold (vlom) assembly
POWER DOOR LOCKS Power Door Locks Wiring Diagram for Isuzu Ascender LS 2005 List of elements for Power Door Locks Wiring Diagram for Isuzu Ascender LS 2005: 62 A12 A13 Ajar sw low Ajar sw sig B10 Batt Battery Body control module (bcm) (beneath left rear seat, on rear fuse block) C10 C2 b5 C2 d C4 a13 C4 a5 D10 Ddm fuse 10a Door ajar Driver door latch assembly (door ajar switch) Driver door lock switch Driver's door latch assembly Driver's door module (on lower part of driver's door switch panel) F10 Front passenger door module (on lower part of passenger's door switch panel) Front passenger's door latch assembly G302 (on lower left "b" pillar) G303 (on lower right "b" pillar) Ground Hot at all times Key buzzer Left rear door latch assembly Left rear door latch assembly (door ajar switch) Lgm/dsm fuse 19 10a Liftgate ajar Liftgate latch assembly Liftgate module (inside liftgate) Liftgate open Liftglass ajar switch) (inside top of liftgate) Lock Lock ctrl Lock relay Lock relay 18 Locks fuse 21 10a Low ref Lr door ajar Lt doors circuit breaker 25a Nca Passenger door latch assembly (door ajar switch) Passenger door lock switch Pdm fuse 10a Power Rear fuse block (below left rear seat) Right rear door latch assembly Right rear door latch assembly (door ajar switch) Rr door ajar Rt doors circuit breaker 25a Serial data Sp205 (below left side of i/p) Sp306 (under right rear seat) Tan Unlock Unlock ctrl Unlock relay Unlock relay 24
POWER MIRRORS Automatic Day/Night Mirror Wiring Diagram for Isuzu Ascender LS 2005 List of elements for Automatic Day/Night Mirror Wiring Diagram for Isuzu Ascender LS 2005: 25 (manual a/c) ambient air temperature sensor Air temp sensor B12 B6 c2 Back up lamp voltage output Back up voltage Body control module (bcm) (beneath left rear seat, on rear fuse block) Computer data lines system E10 E12 G302 (on lower left ``b" pillar) Ground Hot in on or start Ign 1 Ign e fuse 22 10a Inside rearview mirror Low ref Manual a/c Nca On/off Photo sensor Pnk Rear fuse block (below left rear seat) Serial data Underhood fuse block (on left side of engine compartment) Power Mirrors Wiring Diagram for Isuzu Ascender LS 2005 List of elements for Power Mirrors Wiring Diagram for Isuzu Ascender LS 2005: 45 5v ref Battery C10 Class 2 serial data Computer data lines system D10 Ddm fuse 10 10a Defogger Defogger system Down Down sig Driver Driver outside rearview mirror Driver sig Driver's door module (on lower part of driver's door switch panel) Front passenger's door module (on lower part of passenger's door switch panel) G302 (on lower left "b" pillar) G303 (on lower right "b" pillar) Ground Horiz pos sig Horizontal Hot at all times Ign voltage Left Left sig Low ref Lt doors circuit breaker 2 25a Mir common Mir down ctrl Mir right ctrl Outside rearview mirror switch Pass Passenger outside rearview mirror Passenger sig Pdm fuse 12 10a Pnk Rear fuse block (below left rear seat) Red Right Right sig Rt doors circuit breaker 1 25a Tan Up sig Vert pos sig Vertical
POWER SEATS 8-Way Adjustable Power Seat Wiring Diagram for Isuzu Ascender LS 2005 List of elements for 8-Way Adjustable Power Seat Wiring Diagram for Isuzu Ascender LS 2005: 21 (under driver's seat) (under passenger's seat) Driver seat adjuster switch Driver's seat front vertical motor Driver's seat horizontal motor Driver's seat rear vertical motor Driver's seat recline motor Fwd G302 (on lower G303 (on lower right "b" pillar) Hot at all times Left "b" pillar) Passenger seat adjuster switch Passenger's seat front vertical motor Passenger's seat horizontal motor Passenger's seat rear vertical motor Passenger's seat recline motor Rear fuse block (below left rear seat) Rwd Seats circuit breaker 8 30a Tan Driver"s Heated Seat Wiring Diagram for Isuzu Ascender LS 2005 List of elements for Driver"s Heated Seat Wiring Diagram for Isuzu Ascender LS 2005: 44 (on lower left "b" pillar) g302 A11 A12 B10 B11 B12 Back only ind Back only indicator Back only select Bat (+) Batt Batt (+) Batt + voltage C2 c10 Class 2 serial data Ddm fuse 10a Driver back heated seat element Driver cushion heated seat element Driver heated seat switch Driver heated seat thermistor Driver's door module (on lower part of driver's door switch panel) Driver's memory seat module (under driver's seat) G302 (on lower left "b" pillar) Gnd Ground Heat mode select Heated seat low ref Heated seat pwr Heated seat sply volt Heated seat therm sig Hi heat ind Hi heat indicator Hot at all times Igm/dsm fuse 19 10a Low heat ind Low heat indicator Low ref Lt doors circuit breaker 2 25a Med heat ind Med heat indicator Rear fuse block (below left rear seat) Seats circuit breaker 8 30a Serial data Sp306 (under right rear seat) Lumbar Wiring Diagram for Isuzu Ascender LS 2005 List of elements for Lumbar Wiring Diagram for Isuzu Ascender LS 2005: 13 Driver lumbar adjuster switch Driver lumbar horizontal motor G302 (on lower G303 (on lower Hot at all times Left "b" pillar) Out Passenger lumbar adjuster switch Passenger seat lumbar horizontal motor Pnk Rear fuse block (below left rear seat) Right "b" pillar) Seats circuit breaker 8 30a Passenger"s Heated Seat Wiring Diagram for Isuzu Ascender LS 2005 List of elements for Passenger"s Heated Seat Wiring Diagram for Isuzu Ascender LS 2005: 41 (on lower left "b" pillar) g302 A10 B12 Back only ind Back only indicator Back only select Bat (+) Batt Batt (+) Batt + voltage C2 c1 Class 2 serial data D10 Driver's memory seat module (under driver's seat) Front passenger's door module (on lower part of passenger's door switch panel) Front passenger's heated seat switch G303 (on lower right "b" pillar) Gnd Ground Heat mode select Heated seat element low ref Heated seat element sply volt Hi heat ind Hi heat indicator Hot at all times Lgm/dsm fuse 6 10a Low heat ind Low heat indicator Med heat ind Med heat indicator Passenger back heated seat element Passenger cushion heated seat element Passenger heated seat thermistor Pdm fuse 10a Pnk Rear fuse block (below left rear seat) Rt doors circuit breaker 1 25a Seats circuit breaker 8 30a Serial data Sp306 (under right rear seat) Tan
POWER TOP/SUNROOF Power Top/Sunroof Wiring Diagram, Long Wheel Base for Isuzu Ascender LS 2005 List of elements for Power Top/Sunroof Wiring Diagram, Long Wheel Base for Isuzu Ascender LS 2005: 24 (not used) A12 nca A12 rap relay c3 Battery Body control module (bcm) (beneath left rear seat, on rear fuse block) Close G302 (on lower left "b" pillar) G306 (on body panel, left of rear door) Ground Hot at all times Illum Interior lights system Low ref Nca Open Power windows system Rap relay 22 Rear fuse block (below left rear seat) Sun roof motor (above headliner, at rear of sun roof) Sun roof switch Sunroof fuse 28 20a Sw close Sw open Vent wdo fuse 20 20a Power Top/Sunroof Wiring Diagram, Short Wheel Base for Isuzu Ascender LS 2005 List of elements for Power Top/Sunroof Wiring Diagram, Short Wheel Base for Isuzu Ascender LS 2005: 20 A12 nca A12 rap relay c3 Battery Body control module (bcm) (beneath left rear seat, on rear fuse block) Close G302 (on lower left "b" pillar) G306 (on body panel, left of rear door) Ground Hot at all times Illum Interior lights system Low Nca Open Rear fuse block (below left rear seat) Sun roof motor (above headliner, at rear of sun roof) Sun roof switch Sunroof fuse 20 20a Sw close Sw open
POWER WINDOWS Power Windows Wiring Diagram for Isuzu Ascender LS 2005 List of elements for Power Windows Wiring Diagram for Isuzu Ascender LS 2005: 55 (on lower left ``b" pillar) (on lower right ``b" pillar) A6 nca B5 nca B6 nca B7 nca B8 nca B9 nca Battery Body control module (bcm) (beneath left rear seat, on rear fuse block) Class 2 data Ddm fuse 10 10a Down Down input Down output Down signal output Driver's door module (on lower part of driver's door switch panel) Driver's window motor (in driver's door) Drivers window switch Front passenger's door module (on lower part of passenger's door switch panel) Front passenger's window motor (in right front door) G302 G303 Ground Hot at all times Illum Interior lights system Left rear window motor (in left rear door) Left rear window switch Lockout indicator Lockout switch Lr down sig Lr lockout control Lr up sig Lt doors circuit breaker 2 25a Motor down control Motor up control Passenger window switch Rear fuse block (below left rear seat) Right rear window motor (in right rear door) Right rear window switch Rr down sig Rr lockout control Rr up sig Rt doors circuit breaker 1 25a Splice pack sp205 (below left side of i/p) Splice pack sp306 (under right rear seat) Switch power Switch pwr Tan Up input Up output Up signal output Window dn Window up Rear Quarter Windows Wiring Diagram for Isuzu Ascender LS 2005 List of elements for Rear Quarter Windows Wiring Diagram for Isuzu Ascender LS 2005: 17 A12 Body control module (bcm) (beneath left rear seat, on rear fuse block) Close G302 (on lower left "b" pillar) G306 (on body panel, left of rear door) Hot at all times Illum Interior lights system Left quarter glass actuator (on left quarterpanel) Left quarter glass switch Nca Open Rap relay 22 Rear fuse block (below left rear seat) Right quarter glass actuator (on right quarterpanel) Right quarter glass switch Vent wdo fuse 20 20a
RADIO Base Radio Wiring Diagram, with Rear Seat Audio for Isuzu Ascender LS 2005 List of elements for Base Radio Wiring Diagram, with Rear Seat Audio for Isuzu Ascender LS 2005: 67 (lwb) w/ automatic a/c (lwb) w/ manual a/c A10 A11 A12 A16 Audio commom Auxiliary hvac control module (at rear of lower console) B10 B11 B12 B16 Body control module (bcm) (beneath left rear seat, on rear fuse block) Digital radio antenna Digital radio receiver Drain wire G102 (at left side of engine compt) G201 Ground Hot at all times Hvac b fuse 36 10a Illum Inflatable restraint steering wheel module coil Interior lights system Left front door speaker Left front door tweeter speaker Left rear door speaker Left sig+ Lf out + Lf out - Lr out + Lr out - Lr+ Lr- Nca Pnk Power distribution system Prog Radio Radio antenna Radio control signal Radio fuse 41 15a Rear fuse block (below left rear seat) Rf out + Rf out - Right front door speaker Right front door tweeter speaker Right rear door speaker Right sig+ Rr out + Rr out - Rr+ Rr- Seek down Seek up Serial data Source down Source up Sp201 (lower right center of dash) Splice pack sp205 (below left side of i/p) Steering wheel control assembly (on steering column) Tan Upper left steering wheel control switch assembly Upper right steering wheel control switch assembly Volume down Volume up Wiper/ washer system Base Radio Wiring Diagram, without Rear Seat Audio for Isuzu Ascender LS 2005 List of elements for Base Radio Wiring Diagram, without Rear Seat Audio for Isuzu Ascender LS 2005: 58 A10 A11 A12 Audio Audio common B10 B11 B12 Body control module (bcm) (beneath left rear seat, on rear fuse block) Digital radio antenna Digital radio receiver Drain wire G102 (at left side of engine compartment) G102 (at left side of engine compt) Ground Hot at all times Illum Inflatable restraint steering wheel module coil Interior lights system Left front door speaker Left front door tweeter speaker Left rear door speaker Left sig+ Lf out + Lf out - Lr out + Lr out - Lt sig+ Nca Pnk Prog Radio Radio antenna Radio control signal Radio fuse 41 15a Rear fuse block (below left rear seat) Rf out + Rf out - Rh sig+ Right front door speaker Right front door tweeter speaker Right rear door speaker Right sig+ Rr out + Rr out - Seek down Seek up Serial data Source down Source up Splice pack sp205 (below left side of i/p) Steering wheel control assembly (on steering column) Tan Upper left steering wheel control switch assembly Upper right steering wheel control switch assembly Volume down Volume up Wiper/ washer system Premium Radio Wiring Diagram (1 of 2) for Isuzu Ascender LS 2005 List of elements for Premium Radio Wiring Diagram (1 of 2) for Isuzu Ascender LS 2005: 70 (at left side of engine compt) g102 (at rear of lower console) (lwb) w/ automatic a/c (lwb) w/ manual a/c A10 A11 A12 A16 Audio commom Audio common Auxiliary hvac control module B10 B11 B12 Body control module (bcm) (beneath left rear seat, on rear fuse block) Digital radio antenna Digital radio receiver Drain data Drain wire G102 (at left side of engine compartment) G102 (at left side of engine compt) Ground Hot at all times Hvac b fuse 36 10a Illum Inflatable restraint steering wheel module coil Interior lights system Left rear sig+ Left rear sig- Left sig+ Lf out + Lf out - Lr sig + Lr sig - Lr+ Lr- Lwb Nca Pnk Power distribution system Prog Radio Radio antenna Radio control signal Radio fuse 41 15a Radio sig Rear fuse block (below left rear seat) Rf out + Rf out - Right rear sig+ Right rear- Right sig+ Rr sig + Rr sig - Rr+ Rr- Seek down Seek up Serial data Source down Source up Splice pack sp205 (below left side of i/p) Steering wheel control assembly (on steering column) Swb Tan Upper left steering wheel control switch assembly Upper right steering wheel control switch assembly Volume down Volume up Wiper/ washer system Premium Radio Wiring Diagram (2 of 2) for Isuzu Ascender LS 2005 List of elements for Premium Radio Wiring Diagram (2 of 2) for Isuzu Ascender LS 2005: 45 (at left side of engine compt) g102 (on lower left "d" pillar) g401 A a A10 A11 A12 Amp fuse 11 20a Audio amplifier (in rear compartment, behind left side panel) B10 B11 B12 Drain wire Ground Hot at all times Left front door speaker Left front i/p speaker Left front sig + Left front sig- Left rear door speaker Left rear sig+ Left rear sig- Lf front spkr out+ Lf front spkr out- Lt mid spkr out + Lt mid spkr out - Lt rear out+ Lt rear out- Nca Pnk Radio sig Rear fuse block (below left rear seat) Rear mute sig Rear seat sig Right front door speaker Right front i/p speaker Right front sig+ Right front sig- Right rear door speaker Right rear sig+ Right rear sig- Rt front spkr out+ Rt front spkr out- Rt mid spkr out + Rt mid spkr out - Tan
SHIFT INTERLOCK Ignition Lock Solenoid Wiring Diagram for Isuzu Ascender LS 2005 List of elements for Ignition Lock Solenoid Wiring Diagram for Isuzu Ascender LS 2005: 9 Automatic transmission shift lock actuator (in lower console) G201 Hot in acc, run & start Ign 0 fuse 47 10a Ignition lock cylinder control actuator (in steering column) Ignition lock cylinder control switch Pnk Rear fuse block (below left rear seat) Sp201 (lower right center of dash) Shift Interlock Wiring Diagram for Isuzu Ascender LS 2005 List of elements for Shift Interlock Wiring Diagram for Isuzu Ascender LS 2005: 15 (4.2l) (5.3l) A/t shift lock control solenoid Automatic transmission shift lock actuator (in lower console) Back-up fuse 27 15a Btsi fuse 25 10a E10 G201 Hot in run & start Park lock solenoid Park/ neutral position switch (on left side of transmission) Pnk Sp201 (lower right center of dash) Stop lamp switch (w/ eap: top of brake pedal bracket) (w/o eap: on brake pedal support) Underhood fuse block (on left side of engine compt)
STARTING/CHARGING Charging Wiring Diagram for Isuzu Ascender LS 2005 List of elements for Charging Wiring Diagram for Isuzu Ascender LS 2005: 25 (5.3l: on left front of engine compt) (4.2l: on left front of engine) (5.3l) engine control module (ecm) (4.2l) powertrain control module (pcm) (not used) 4.2l 5.3l Battery Battery voltage Charge indicator Class 2 Class 2 data Field duty cycle sig Fusible link (8 ga- red) G101 (at left side of engine compt) G106 (on left front wheelwell) G110 (lower left side of engine) Generator Generator on signal Hot at all times Instrument panel cluster (ipc) Ipc/dic fuse 24 10a Power distribution system Red Sp205 (below left side of i/p) Starter Starter solenoid Underhood fuse block (on left side of engine compt) Starting Wiring Diagram for Isuzu Ascender LS 2005 List of elements for Starting Wiring Diagram for Isuzu Ascender LS 2005: 42 (4.2l) (4.2l) (5.3l) (5.3l) 4.2l 5.3l A10 Acc Batt Battery C2 c2 Crank fuse 17 10a Crank sig req Crank volt F10 F11 F8 d8 Fusible link (8 ga- red) G101 (at left side of engine compt) G106 (on left front wheelwell) G110 (lower left side of engine) Generator Hold- in coil Hot in run or start Ign a fuse 34 40a Ign e fuse 22 10a Ignition switch Lock Off P/n Park/ neutral position switch (on left side of transmission) Pnk Powertrain control module (pcm) (4.2l) engine control module (ecm) (5.3l) (4.2l: on left front of engine) (5.3l: on left front of engine compt) Pull- in coil Red Run Start Starter Starter motor Starter relay 47 Starter rly Starter solenoid Underhood fuse block (on left side of engine compt)
SUPPLEMENTAL RESTRAINTS Supplemental Restraints Wiring Diagram (1 of 2) for Isuzu Ascender LS 2005 List of elements for Supplemental Restraints Wiring Diagram (1 of 2) for Isuzu Ascender LS 2005: 55 (i/p harness, 16.5 cm from steering column connector breakout, toward dlc breakout) s202 (in i/p harness, 5 cm (1.97 in) from breakout to rollover sensor, toward sdm) s203 (in left front seat belt buckle) (left side of underhood compartment, near rear of underhood fuse block) g102 (on left side of frame, at front of vehicle) (on right side of frame, at front of vehicle) (right front (under drivers seat) s310 (under left front door trim, near lower rear of door frame) Bar Case ground Class 2 serial Data link Driver seat belt switch G102 (left side of underhood compartment, near rear of underhood fuse block) Gnd Ground High control High sensor Hot in run or start Ign 1 Ignition Inflatable restraint sensing & diagnostic module (below rear of center console) Left electronic frontal sensor (efs) Left inflatable restraint roof rail module (in roof above driver door) Left inflatable restraint seat position sensor (sps) (on left front outboard seat track) Left inflatable restraint side impact sensor (sis) Left seat belt pretensioner (under left front of seat, part of retractor) Left seat belt sw Low control Nca Passenger seat belt switch (in right front belt buckle assembly) Passenger's door) Pnk Red Right electronic frontal sensor (efs) Right inflatable restraint roof rail module (in roof, above front passenger's door) Right inflatable restraint seat position sensor (sps) (on right front outboard seat track) Right inflatable restraint side impact sensor (sis) Right seat belt pretensioner (under right front of seat, part of retractor) Right seat belt sw Right signal Rollover sensor S220 S308 S315 Sensor return Serial data link Shorting Shorting bar Signal Sir fuse 18 10a Tan Underhood fuse block (on left side of engine compartment) Voltage Supplemental Restraints Wiring Diagram (2 of 2) for Isuzu Ascender LS 2005 List of elements for Supplemental Restraints Wiring Diagram (2 of 2) for Isuzu Ascender LS 2005: 48 (i/p harness, 16.5 cm from steering column connector breakout, toward dlc breakout) s202 (i/p harness, above dash left lower panel, 11 cm from steering column breakout, toward data link connector breakout) (under passenger Air bag indicator Air bag off ind Air bag on ind Anti-theft system B12 Bar shorting Class 2 serial data Data link connector (dlc) (partial) (on bottom left side of dash) E12 G102 (left side of underhood compartment, near rear of underhood fuse block) Gnd Hot in run or start Ign Ign 1 voltage Ign e fuse 22 10a Inflatable restraint front passenger presence system (pps) module (under passenger seat) Inflatable restraint i/p module (right side of dash) Inflatable restraint passenger air bag on/off indicator Inflatable restraint passenger presence system (pps) sensor Inflatable restraint passenger seat belt tension retractor Inflatable restraint steering wheel module (in steering wheel) Inflatable restraint steering wheel module coil Inside rearview mirror Instrument panel cluster (ipc) Logic Low ref Nca Off Pnk Rear fuse block (below left rear seat) S232 (w/immobilizer) (i/p harness, 10 cm from steering column breakout, toward shift control module) S239 Seat) Sensor Sensor sig Serial data Shorting bar Sp205 (behind left of dash, near headlamp switch connector) Stage 1 Stage 2 Tan Underhood fuse block (on left side of engine compartment) Voltage ref W/ occupant sensor W/immobilizer
TRANSMISSION Transfer Case Wiring Diagram for Isuzu Ascender LS 2005 List of elements for Transfer Case Wiring Diagram for Isuzu Ascender LS 2005: 68 (below dash, above accelerator pedal) data link connector (on lower left side of engine) +5v ref 2wd 2wd ind 4 hi 4 hi ind 4 lo 4 lo ind 4.2l 4wd fuse 48 15a 4wd lo sig 5.3l Afwd Afwd ind Atc fuse 8 30a Axle act Axle sw B11 Battery Brake C2 a11 Class 2 data E11 E5 c3 Encoder Encoder sig Front axle actuator (lower right front of engine, on oil pan) Front sig hi Front sig lo Front transfer case propshaft speed sensor (on left rear of transfer case) G102 (at left side of engine compt) G107 G201 Ground Hot at all times Hot in run Hot in run or start Illum Ing e fuse 22 10a Instrument panel cluster (ipc) Interior lights system Lock sol Logic Low ref Motor Motor ctrl a Motor ctrl b Neut Neutral Neutral ind Pnk Powertrain control module (4.2l) (on left front of engine) engine control module (5.3l) (on left front of engine compt) Rear fuse block (below left rear seat) Rear sig hi Rear sig lo Rear transfer case propshaft speed sensor (on right rear of transfer case) Red Service 4wd Sp201 (lower right center of dash) Splice pack sp205 (below left side of i/p) Sw sig Tan Transfer case Transfer case shift control module (behind left lower dash) Transfer case shift control switch Under- hood fuse block (on left side of engine compt) Underhood fuse block (on left side of engine compt)
4.2L
5.3L 5.3L, A/T Wiring Diagram (1 of 2) for Isuzu Ascender LS 2005 List of elements for 5.3L, A/T Wiring Diagram (1 of 2) for Isuzu Ascender LS 2005: 52 (2wd: on right rear of transmission) 1-2 ss ctrl 2-3 ss ctrl 3-2 ss ctrl Accessory volt B11 Batt volt Computer data lines system Exterior lights system Front hi sig G108 (lower left side of engine) Gnd Hot at all times Hot in acc or run Hot in run or start Ign 1 volt Ign e fuse 22 10a Low ref Park/neutral position (pnp) switch (on left side of transmission) Pc sol hi ctrl Pc sol lo ctrl Pnk Pnk pnk Press sw sig a Press sw sig b Press sw sig c Rear fuse block (below left rear seat) Red Serial data (+) Serial data (-) Serial data bus (+) Serial data bus (-) St/lp fuse 12 25a Stoplamp switch (on brake pedal support) Tan Tcc pwm ctrl Tcc sol ctrl Tcm fuse 35 10a Tcm/ canister fuse 15 10a Tft sens sig Trans fuse 53 15a Transmission control module (tcm) (left front of engine compt) Trns range a Trns range b Trns range c Trns range p Underhood fuse block (on left side of engine compt) Underhood fuse block (on left side of engine compt) c1 Veh stop fuse 34 15a Vehicle speed sensor (vss) (4wd: on left rear of transfer case) Vss high sig Vss low sig 5.3L, A/T Wiring Diagram (2 of 2) for Isuzu Ascender LS 2005 List of elements for 5.3L, A/T Wiring Diagram (2 of 2) for Isuzu Ascender LS 2005: 22 1-2 shift sol valve 2-3 shift sol valve 3-2 sol valve A/t fluid pressure manual valve position switch A/t fluid temp sensor Automatic transmission Chmsl sply Engine control module (ecm) (on left front of engine compt) Front hi sig Ign Instrument panel cluster Logic Malfunction indicator lamp Mil ind ctrl Pnk Pressure control solenoid valve Prnd321 Red Rev Tan Tcc pwm sol valve Tcc sol valve
WARNING SYSTEMS Chime Wiring Diagram for Isuzu Ascender LS 2005 List of elements for Chime Wiring Diagram for Isuzu Ascender LS 2005: 61 (4.2l) (5.3l) (below left rear seat) rear fuse block (lower right center of dash) splice pack sp201 10a 4.2l 5.3l A12 Auto B10 Battery + Belt sw input Body control module (bcm) (beneath left rear seat, on rear fuse block) Class 2 serial data Computer data lines system Door ajar Dr ajar input Driver door latch assembly Driver seat belt switch Driver's door module (on lower part of driver's door switch panel) Drl defeat E12 c2 Engine control module (ecm) (on left front of engine compt) F10 Front passenger door latch assembly Front passenger's door module (on lower part of passenger's door switch panel) G102 (at left side of engine compt) G201 G302 (on lower left "b" pillar) G303 (on lower right "b" pillar) Hdlmp on sig Head Headlamp switch Hot at all times Ignition & key alarm switch (in steering column) Inflatable restraint sensing & diagnostic module (beneath lower console) Instrument panel cluster (ipc) Key in ign sw Left rear door latch assembly Liftgate ajar sw Liftgate latch assembly Liftgate module (inside liftgate) Liftglass ajar sw Liftglass ajar switch (inside top of liftgate) Logic Low reference Lr dr ajar sig Nca Park Park lamp sw on input Powertrain control module (pcm) (on left front of engine) Radio Right rear door latch assembly Rr dr ajar sig Seat belt indicator Seat pos out Serial data Sw low reference Tail gate ajar ind Tan Tbc 1 fuse 31 fuse 58 Underhood fuse block (on left side of engine compt) Liftgate Ajar Warning Wiring Diagram for Isuzu Ascender LS 2005 List of elements for Liftgate Ajar Warning Wiring Diagram for Isuzu Ascender LS 2005: 33 12v B5 c2 Battery Class 2 Defog sply volt Defogger system Door ajar Door locks system G401 (on lower left "d" pillar) Ground Hot at all times Instrument panel cluster (ipc) Key buzzer Lgm 2 fuse 3 30a Lgm/dsm fuse 6 10a Liftgate latch assembly Liftgate module (lgm) (inside liftgate) Liftglass ajar switch (inside top of liftgate) Lock ctrl Logic Low ref Nca Open sw sig Rear fuse block (below left rear seat) Serial data Sp205 (below left side of i/p) Sp306 (under right rear seat) Sw sig Tailgate ajar Tan Unlock ctrl Wiper motor sig Wiper/washer system
WIPER/WASHER Front Wiper/Washer Wiring Diagram for Isuzu Ascender LS 2005 List of elements for Front Wiper/Washer Wiring Diagram for Isuzu Ascender LS 2005: 50 (at right rear of engine compt) g103 A12 Acc voltage Accessory voltage B12 Body control module (bcm) (beneath left rear seat, on rear fuse block) Class 2 serial data Computer data lines system D10 Front wiper motor (under cowl cover) Frt wpr fuse 33 25a G102 (at left side of engine compt) G103 (at right rear of engine compt) G105 (at left side of engine compt) G302 (on lower left "b" pillar) Ground High Hot at all times Hot in acc or on Hot in on or start Ign 1 volt Ign fuse 22 10a Instrument panel cluster (ipc) Lo delays mist Logic Low washer fluid Lsd Mist Off Outside moisture sensor (center of windshield) Outside moisture sensor signal 1 Pnk Pulse Rain fuse 29 10a Rear fuse block (below left rear seat) Red Sensor signal 1 Tan Turn signal/ multifunction switch Underhood fuse block (on left side of engine compt) W/s wash fuse 9 15a W/s wash relay 42 Wash Windshield washer fluid level switch (in engine compt, mounted on fluid reservoir) Windshield washer fluid pump (in engine compt, attached to fluid reservoir) Windshield washer relay ctrl Windshield wiper switch high signal Windshield wiper switch signal 1 Windshield wiper switch signal 2 Windshield wiper/ washer switch Rear Wiper/Washer Wiring Diagram for Isuzu Ascender LS 2005 List of elements for Rear Wiper/Washer Wiring Diagram for Isuzu Ascender LS 2005: 32 (under right rear seat) sp306 12 volt reference Battery positive voltage Body control module (bcm) (beneath left rear seat, on rear fuse block) Class 2 ser data Cont Dly 1 Dly 2 G103 (at right rear of engine compt) G401 (on lower left "d" pillar) Hot at all times Illumination Interior lights system Liftgate module (inside liftgate) Off Rear fuse block (below left rear seat) Rear wash relay 38 Rear window motor speed signal Rear window mtr speed signal c2 Rear window washer fluid pump (in engine compt, attached to fluid reservoir) Rear window washer relay ctrl Rear window wiper motor (inside liftgate) Rear window wiper sw sig Rear window wiper/washer switch Rr wiper circuit breaker 9 15a Sound systems Sp205 (below left side of i/p) Underhood fuse block (on left side of engine compt) W/ steering wheel controls W/o steering wheel controls Wash Wash fuse 7 20a
