POWER DISTRIBUTION – Isuzu Ascender 2003 – SYSTEM WIRING DIAGRAMS

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 6) for Isuzu Ascender 2003

List of elements for Power Distribution Wiring Diagram (1 of 6) for Isuzu Ascender 2003:

• (4.2l)
• (5.3l)
• (not used)
• (on left side of engine compartment) 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
• 4wd fuse 48 15a
• A/c fuse 30 10a
• A/c relay 44
• A11
• A18
• Abs fuse 33 60a
• Acc
• Atc fuse 8 25a
• Automatic transmission
• Automatic transmission shift lock actuator
• B11
• Battery
• Body control module (bcm)
• C175
• Crank fuse 17 10a
• D9 c1
• Defrost actuator
• Electronic brake control module
• Elek brk fuse 19 30a
• F11
• Fog lp fuse 11 10a
• 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 a fuse 34 40a
• Ign o fuse 47 10a
• Ignition switch
• Left air temperature actuator
• Lock
• Mode actuator
• Nca
• Pnk
• Powertrain control module (pcm)
• Rear fuse block (below left rear seat)
• Recirculation actuator
• Red
• Right air temperature actuator
• Run
• Start
• Starter
• Starter relay
• 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 6 (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 encoder
• Transfer case shift control module
• Transfer case shift control switch
• Turn/signal multifunction 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 2003

List of elements for Power Distribution Wiring Diagram (2 of 6) for Isuzu Ascender 2003:

• (not used)
• (on left side of engine compartment) underhood fuse block
• 4.2l
• 5.3l
• A20
• Acc
• Automatic a/c
• Aux pwr 1 fuse 46 20a
• Aux pwr 2 fuse 15 20a
• 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 stoplamp (chmsl)
• Cigar fuse 13 20a
• Cigar lighter
• Console auxiliary power outlet
• Data link connector (dlc)
• E10
• Ecas fuse 1 30a
• Electronic brake control module (ebcm)
• Flash fuse 52 25a
• From b elek brk fuse 19 (diagram 1 of 6)
• From hvac i 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 (near right front of lower console)
• G401 (on lower left "d" pillar)
• Ign b fuse 36 40a
• Ignition switch
• Instrument panel cluster (ipc)
• Ipc/dic fuse 24 10a
• Left tail/ stop lamp
• Lock
• Manual a/c
• Nca
• Outside moisture sensor
• Pnk
• Powertrain control module (pcm)
• Rain fuse 29 10a
• Rear auxiliary power outlet
• Rear fuse block (below left rear seat)
• Red
• Right tail/ stop lamp
• Run
• Splice pack sp201
• St/lp fuse 12 25a
• Start
• Stoplamp switch
• Tbc acc fuse 31 3a
• Tbc run fuse 52 3a
• Throttle actuator control (tac) module
• To underhood fuse block (diagram 3 of 6)
• To wash fuse 7 (diagram 3 of 6)
• 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 2003

List of elements for Power Distribution Wiring Diagram (3 of 6) for Isuzu Ascender 2003:

• (4.2l)
• (4.2l) (5.3l)
• (5.3l)
• 4.2l
• 5.3l
• A/t shift lever
• B2 c1
• Back-up fuse 27 15a
• Body control module (bcm)
• Btsi fuse 25 10a
• C12
• Canister ride fuse 15 10a
• Coils fuse 14 10a
• E10
• E12
• E6 c2
• Eng 1 fuse 26 10a
• Etc fuse 23 10a
• Evaporative emission (evap) canister purge solenoid
• Evaporative emission (evap) canister vent solenoid
• Evaporative emission (evap) canister vent solenoid (4.2l)
• 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 i 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 relay 46
• Headlights system
• Heated oxygen sensor (ho2s) sensor 1
• Heated oxygen sensor (ho2s) sensor 2
• Ign e fuse 22 (diagram 4 of 6)
• Ignition coil 1
• Ignition coil 2
• Ignition coil 3
• Ignition coil 4
• Ignition coil 5
• Ignition coil 6
• Inflatable restraint sensing & diagnostic module (sdm)
• Lt hi hdlp fuse 5 10a
• Lt low hdlp fuse 6 10a
• Mass airflow (maf) sensor/ intake air temperature (iat) (5.3l)
• Nca
• O2 fuse 29 10a
• Park/neutral position (pnp) switch
• Pcm 1 fuse 28 15a 10a
• Pcm b fuse 10 20a
• Pnk
• Powertrain control module (pcm)
• Rear wash relay 38
• Rt hi hdlp fuse 2 10a
• Rt low hdlp fuse 3 10a
• Sir fuse 18 10a
• Stoplamp switch
• Tbc 1 fuse 31 10a
• To ignition relay 58 (diagram 6 of 6)
• To o2 fuse 29 (diagram 3 of 6)
• Trailer connector
• 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 2003

List of elements for Power Distribution Wiring Diagram (4 of 6) for Isuzu Ascender 2003:

• (not used)
• A/c relay 44
• A16 (automatic a/c) (manual a/c)
• A19
• Amp fuse 11 20a
• Audio amplifier
• Auxiliary hvac control module
• B13
• Body control module (bcm)
• C10
• D10
• D12
• Ddm fuse 10 10a
• 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 6 10a
• Liftgate module (lgm)
• Lt doors circuit breaker 2 25a
• Nca
• Oh batt/onstar fuse 27 10a
• Park/ neutral position (pnp) switch
• Passenger memory seat module
• 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
• Stoplamp switch
• Tbc 5 fuse 32 10a
• Tbc ign 1 fuse 16 10a
• To aux pwr 1 fuse 46 (diagram 2 of 6)
• To ign 1 relay 58 (diagram 6 of 6) (5.3l)
• To o2 b fuse 54 (diagram 6 of 6) (5.3l)
• To rear foglamp relay 45 (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)
• Voice recorder

Power Distribution Wiring Diagram (5 of 6) for Isuzu Ascender 2003

List of elements for Power Distribution Wiring Diagram (5 of 6) for Isuzu Ascender 2003:

• (diagram 4 of 6)
• (not used)
• A12
• Auxiliary blower motor
• Auxiliary blower motor control processor
• B17
• Blower motor auxiliary fuse 30a
• Body control module (bcm)
• Driver lumbar adjuster switch
• Driver memory seat module
• Driver seat adjuster switch
• E10
• From amp fuse 11 i
• 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
• Memory seats
• Nca
• Park lp relay 30
• Passenger lumbar adjuster switch
• Passenger memory seat module
• Passenger seat adjuster switch
• Power seats
• Rap relay
• 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 30a
• Sun roof module
• Sunroof fuse 28 20a
• Tbc 2 fuse 7 10a
• Tbc 3 fuse 4 10a
• Tbc 4 fuse 40 10a
• To rr wiper circuit breaker 9 (diagram 5 of 6)
• To vent wdo fuse (diagram 5 of 6)
• Unlock relay
• Vent wdo fuse 20a

Power Distribution Wiring Diagram (6 of 6) for Isuzu Ascender 2003

List of elements for Power Distribution Wiring Diagram (6 of 6) for Isuzu Ascender 2003:

• (5.3l)
• (diagram 4 of 6)
• C12
• D12
• E12
• Etc fuse 23 15a
• From ign e fuse 22 (diagram 4 of 6)
• From pcm b fuse 10 (diagram 3 of 6)
• From tbc ign 1 fuse 16 o
• Fuel injector 1
• Fuel injector 2
• Fuel injector 3
• Fuel injector 4
• Fuel injector 5
• Fuel injector 6
• Fuel injector 7
• Fuel injector 8
• G107 (on lower left side of engine)
• 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
• Ign 1 relay 58 (5.3l)
• 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 55 15a
• Inj b fuse 56 15a
• Nca
• O2 a fuse 53 15a
• O2 b fuse 54 15a
• Pnk
• Throttle actuator control (tac) module
• Underhood fuse block (on left side of engine compt)