TRANSMISSION – Isuzu Ascender LS 2005 – SYSTEM WIRING DIAGRAMS

TRANSMISSION

Transfer Case Wiring Diagram for Isuzu Ascender LS 2005

List of elements for Transfer Case Wiring Diagram for Isuzu Ascender LS 2005:

• (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

4.2L, A/T Wiring Diagram for Isuzu Ascender LS 2005

List of elements for 4.2L, A/T Wiring Diagram for Isuzu Ascender LS 2005:

• 1-2 shift red solenoid valve
• 2-3 shift red solenoid valve
• 3-2 shift red solenoid valve
• 4wd circuit (w/ 2-spd transfer case)
• 4wd lo
• A2 c1
• A3 c2
• Accelerator pedal position sensor (w/ eap: under left side of i/p) (w/o eap: on accelerator bracket)
• App 1 +5v
• App 1 lo
• App 1 sig
• App 2 +5v
• App 2 lo
• App 2 sig
• Automatic trans- mission fluid pressure manual valve position switch
• Automatic transmission
• Automatic transmission fluid temperature sensor
• B10
• B5 c2
• B6 c2
• Battery
• Body control module (bcm) (beneath left rear seat, on rear fuse block)
• C2 a7
• Class 2 data
• D2 c1
• D2 sw
• D3 sw
• D4 sw
• Data link connector (below dash, above accelerator pedal)
• Down (3-2)
• E3 c2
• E3 c3
• Ect ref
• Ect sig
• Electronic brake control module (on inner left frame rail, adjacent to transmission)
• Engine controls system
• Engine coolant temperature sensor (on left front of engine, near generator)
• Exterior lights system
• F14
• G108 (on lower left side of engine)
• Ground
• Hot at all times
• Hot in acc, run or start
• Hot in run or start
• Ign 0 fuse 47 10a
• Ign e fuse 22 10a
• Ignition
• Ignition 1
• Ing e fuse 22 10a
• Instrument panel cluster (ipc)
• Lo sw
• Mil ind
• P r n d
• Park/neutral position switch (on left side of transmission)
• Pcm 1 fuse 28 15a
• Pcm b fuse 10 20a
• Pcs sol (hi)
• Pcs sol (lo)
• Pnk
• Pnk d
• Powertrain control module (on left front of engine)
• Pressure control solenoid valve
• Prndl a in
• Prndl b in
• Prndl c in
• Prndl p in
• Rear fuse block (below left rear seat)
• Red
• Rev sw
• Service engine soon
• Solenoid valve
• Splice pack sp205 (below left side of i/p)
• Ss a (1-2)
• Ss b (2-3)
• Stoplamp in
• Stoplamp switch (w/ eap: top of brake pedal bracket) (w/o eap: on brake pedal support)
• Tac fuse 23 10a
• Tan
• Tcc
• Tcc brake sw
• Tcc pmw red
• Tcc pwm
• Tcc red
• Tfp sw a
• Tfp sw b
• Tfp sw c
• Tft ref
• Tft sig
• Throttle body
• Tp 1 +5v
• Tp 1 lo
• Tp 1 sig
• Tp 2 +5v
• Tp 2 lo
• Tp 2 sig
• Underhood fuse block (on left side of engine compt)
• Veh stop fuse 34 15a
• Vehicle speed sensor (2wd: on right rear of transmission) (4wd: on left rear of transfer case)
• Vss (hi)
• Vss (lo)
• W/ traction control
• W/o traction control

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:

• (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:

• 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