GM Service Manual Online
For 1990-2009 cars only

The following abbreviations are frequently used in this section:

    • A: Amps
    • ABS: Antilock Brake System
    • B+: Battery positive
    • BPMV: Brake Pressure Modulator Valve
    • CKT: Circuit
    • DLC: Data Link Connector
    • DTC: Diagnostic Trouble Codes
    • DMM: Digital Multimeter
    • EBTCM: Electronic Brake Traction Control Module
    • ECM: Engine Control Module
    • EMI: Electromagnetic Interference
    • GND: Ground
    • IGN: Battery Voltage with Ignition to the RUN position
    • Infinite: Open Circuit/Unmeasurable High Resistance
    • TCM: Transmission Control Module
    • TCS: Traction Control System
    • SIR: Supplemental Inflatable Restraint
    • VES: Variable Effort Steering
    • WSS: Wheel Speed Sensor
    • ohms: Ohms
    • %: Percent