GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2008
🢒
Avalanche - 2WD
🢒 Module Power, Ground, Serial Data and MIL
Module Power, Ground, Serial Data and MIL
Module Power, Ground, Serial Data and MIL
Master Electrical Component List
Engine Control Module Description
Control Module References
Engine Data Sensors - 5-Volt and Low Reference
RUN/CRANK Bus - ECM-IGN and TRANS IGN 1 Fuses
ECM-BATT, HEADLAMP WASH, HVAC BATT, IPC, LTR, S/ROOF, and TCM-BATT Fuses
PWR/TRN Bus - ECM/THROT CONT, ENG, O2-A SNSR, and O2-B SNSR Fuses
PWR/TRN Bus - ECM/THROT CONT, ENG, O2-A SNSR, and O2-B SNSR Fuses
PWR/TRN Bus - ECM/THROT CONT, ENG, O2-A SNSR, and O2-B SNSR Fuses
PWR/TRN Bus - ECM/THROT CONT, ENG, O2-A SNSR, and O2-B SNSR Fuses
PWR/TRN Bus - INJ-A and INJ-B Fuses
PWR/TRN Bus - INJ-A and INJ-B Fuses
Serial Data Communication Enable and Wake-up Circuits
G102, G104, and G108
G103, G110 and G111
Drive Motor Generator Power Inverter Module Power and Data Communication, High Voltage A/C Compressor Control
High Speed Bus (HP2)
