Powertrain Management

Engine Controls Schematics

Module Power, Ground, Serial Data and MIL

AIRBAG, BRK SW, ECM IGN/GLOW PLUG MDL IGN, FCSM IGN, IPC, STR/WHL/SNSR, TCM IGN, and TRANS Fuses
Electrical Center Identification Views
AIRBAG, BRK SW, ECM IGN/GLOW PLUG MDL IGN, FCSM IGN, IPC, STR/WHL/SNSR, TCM IGN, and TRANS Fuses
AIRBAG, BRK SW, ECM IGN/GLOW PLUG MDL IGN, FCSM IGN, IPC, STR/WHL/SNSR, TCM IGN, and TRANS Fuses
CNSTR VENT SOL, ECM BATT, FCSM BATT, and WPR Fuses
ECM PWR/TRN, MAF/CNSTR VENT, O2 SNSR 1 (PRE)/CLS, and O2 SNSR 2 (POST) Fuses
ECM PWR/TRN, MAF/CNSTR VENT, O2 SNSR 1 (PRE)/CLS, and O2 SNSR 2 (POST) Fuses
ECM PWR/TRN, MAF/CNSTR VENT, O2 SNSR 1 (PRE)/CLS, and O2 SNSR 2 (POST) Fuses
ECM PWR/TRN, MAF/CNSTR VENT, O2 SNSR 1 (PRE)/CLS, and O2 SNSR 2 (POST) Fuses
ECM PWR/TRN, EVEN IGN/INJ, FUEL HTR, and V6 FUEL INJ Fuses
FAN CLTCH (EV) and ODD IGN/INJ Fuses
Accessory Wakeup
High Speed GMLAN (Gas)
G103, G104, G105 and G106

5V1, 5V2, and Low Reference Bus

Engine Data Sensors - Pressure and Temperature Controls

ECM PWR/TRN, MAF/CNSTR VENT, O2 SNSR 1 (PRE)/CLS, and O2 SNSR 2 (POST) Fuses
ECM PWR/TRN, MAF/CNSTR VENT, O2 SNSR 1 (PRE)/CLS, and O2 SNSR 2 (POST) Fuses
G103, G104, G105 and G106

Engine Data Sensors - Heated Oxygen Sensors (1 of 2)

ECM PWR/TRN, MAF/CNSTR VENT, O2 SNSR 1 (PRE)/CLS, and O2 SNSR 2 (POST) Fuses
ECM PWR/TRN, MAF/CNSTR VENT, O2 SNSR 1 (PRE)/CLS, and O2 SNSR 2 (POST) Fuses

Engine Data Sensors - Heated Oxygen Sensors (2 of 2)

ECM PWR/TRN, MAF/CNSTR VENT, O2 SNSR 1 (PRE)/CLS, and O2 SNSR 2 (POST) Fuses
ECM PWR/TRN, MAF/CNSTR VENT, O2 SNSR 1 (PRE)/CLS, and O2 SNSR 2 (POST) Fuses

Engine Data Sensors - Throttle Controls

Stop Lamp Controls and CHMSL

Ignition Controls - Ignition System Coils 1, 3, 5, and 7

ECM PWR/TRN, MAF/CNSTR VENT, O2 SNSR 1 (PRE)/CLS, and O2 SNSR 2 (POST) Fuses
FAN CLTCH (EV) and ODD IGN/INJ Fuses
G102, G110 and G120

Ignition Controls - Ignition System Coils 2, 4, 6, and 8

ECM PWR/TRN, MAF/CNSTR VENT, O2 SNSR 1 (PRE)/CLS, and O2 SNSR 2 (POST) Fuses
ECM PWR/TRN, EVEN IGN/INJ, FUEL HTR, and V6 FUEL INJ Fuses
G102, G110 and G120

Ignition Controls - CKP, CMP and Knock Sensors

Fuel Controls - Fuel Pump Controls (LMF)

AIRBAG, BRK SW, ECM IGN/GLOW PLUG MDL IGN, FCSM IGN, IPC, STR/WHL/SNSR, TCM IGN, and TRANS Fuses
AIRBAG, BRK SW, ECM IGN/GLOW PLUG MDL IGN, FCSM IGN, IPC, STR/WHL/SNSR, TCM IGN, and TRANS Fuses
CNSTR VENT SOL, ECM BATT, FCSM BATT, and WPR Fuses
G300, G301, G304, and G305

Fuel Controls - Fuel Pump Controls (L20 or L96)

A/C CMPRSR, ABS MDL, ABS MTR, DIESEL FUEL PUMP, GAS FUEL PUMP, HORN, and WASH Fuses
Gauges (L20, L96, LMF or LU3)
G350 and G400
G102, G110 and G120

Fuel Controls - Compressed Natural Gas (LC8 with FHZ)

A/C CMPRSR, ABS MDL, ABS MTR, DIESEL FUEL PUMP, GAS FUEL PUMP, HORN, and WASH Fuses
Gauges (L20, L96, LMF or LU3)
G102, G110 and G120
G350 and G400

Fuel Controls - LPG Fuel Controls (KO7 with UFM)

A/C CMPRSR, ABS MDL, ABS MTR, DIESEL FUEL PUMP, GAS FUEL PUMP, HORN, and WASH Fuses
B+ Bus - Underhood Fuse Block (1 of 2)
Link target Object 2636434 does not exist in this publication.
G102, G110 and G120
G350 and G400

Fuel Controls - LPG Bypass Solenoid (KO7 with UFM)

B+ Bus - Underhood Fuse Block (1 of 2)

Fuel Controls - Liquefied Petroleum Gas (KO7 with UFP) 1 of 2

LPG EVAP System (KO7 with UFM)
Electrical Center Identification Views
A/C CMPRSR, ABS MDL, ABS MTR, DIESEL FUEL PUMP, GAS FUEL PUMP, HORN, and WASH Fuses
B+ Bus - Underhood Fuse Block (1 of 2)
Gauges (L20, L96, LMF or LU3)
G102, G110 and G120

Fuel Controls - Liquefied Petroleum Gas (KO7 with UFP) 2 of 2

G350 and G400

Fuel Controls - Fuel Injectors (LMF, L20, L96, or LC8 with KO7 and UFP)

ECM PWR/TRN, MAF/CNSTR VENT, O2 SNSR 1 (PRE)/CLS, and O2 SNSR 2 (POST) Fuses
FAN CLTCH (EV) and ODD IGN/INJ Fuses
ECM PWR/TRN, EVEN IGN/INJ, FUEL HTR, and V6 FUEL INJ Fuses

Fuel Controls - Fuel Injectors (FHZ, or KO7 with UFM)

ECM PWR/TRN, MAF/CNSTR VENT, O2 SNSR 1 (PRE)/CLS, and O2 SNSR 2 (POST) Fuses
ECM PWR/TRN, MAF/CNSTR VENT, O2 SNSR 1 (PRE)/CLS, and O2 SNSR 2 (POST) Fuses
CNSTR VENT SOL, ECM BATT, FCSM BATT, and WPR Fuses
Gauges (L20, L96, LMF or LU3)

Controlled/Monitored Subsystem References

Compressor Controls (C60)
Stop Lamp Controls and CHMSL
Module Power, Ground and Serial Data
Module Power, Ground, Data Communication, MIL, and Stop Lamp Signal (L20 or L96)
Charging System (Gas)
Starting System (Gas)
PNP and VSS Signals, Pressure and Temperature Controls
IMS, Tow/Haul, and Tap Up/Tap Down Switches
Gauges (L20, L96, LMF or LU3)
Power, Ground, Serial Data, Speed Signals and Indicators (JL9 or JH9)
Speed Signals (JL4)