FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Electronic Power Control (EPC) Warning Lamp -K132-, Checking



Electronic Power Control (EPC) Warning Lamp -K132-, Checking

Functional check of warning lamp
- Switch ignition on.
- Engine Control Module (ECM) switches on the Electronic Power Control (EPC) warning lamp -K132-.

- Start engine.
- Shortly after starting the engine the exhaust warning lamp goes out if no malfunction in relation to the EPC is stored in the DTC memory.

NOTE: The switch-on signal for the warning lamp is transferred via CAN-bus to the instrument cluster by the Engine Control Module. Check the data exchange between Engine Control Module (ECM) and other CAN-bus control modules.