GM Service Manual Online
For 1990-2009 cars only

The following abbreviations are frequently used in this section:

    • A-- Amps
    • ABS-- Antilock Brake System
    • CKT--Circuit
    • CPA--Connector Position Assurance
    • DLC--Data Link Connector
    • DTC--Diagnostic Trouble Codes
    • DMM--Digital Multimeter
    • EBCM--Electronic Brake Control Module
    • ESB--Expansion Spring Brake
    • TCS--Traction Control System
    • GND--Ground
    • IGN--Battery Voltage with Ignition to RUN position
    • Infinite--Open Circuit/Unmeasurable High Resistance
    • LDM--Lamp Driver Module
    • ohms--Ohms