Electronic Power Control Warning Lamp, Checking

Electronic Power Control Warning Lamp, 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.

• 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 ECM and other CAN-bus control modules. Refer to => [ ABS CAN-Bus Data Exchange, Checking ] ABS CAN-Bus Data Exchange, Checking