GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2003
🢒
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
Powertrain Control Module Description
Engine Data Sensors - Pressure, Temperature, and VSS
Engine Controls Schematic Icons
IGN 0, TBC IGN 0, TBC ACCY, SEO ACCY, WS WIPER, RR WIPER
IGN 0, TBC IGN 0, TBC ACCY, SEO ACCY, WS WIPER, RR WIPER
IGN 0, TBC IGN 0, TBC ACCY, SEO ACCY, WS WIPER, RR WIPER
IGN 1 Relay Bus, SEO B2, RR DEFOG, SEO IGN, B/U LP
SBA, ETC/ECM, PCM 1, BTSI, TRL B/U
SBA, ETC/ECM, PCM 1, BTSI, TRL B/U
B+ Bus Bar - 1 of 2
LH HID, RT HID, PCM B, CRANK, HORN, SIR
RTD, RR WPR, EAP, SUNROOF, IPC/DIC, SEO B1
Indicators, DIC Controls, Washer Fluid Level Sensor
G102, G103
SP205 - 2 of 2
