A4 Cabriolet L4-1.8L Turbo (AMB) (2005)
Malfunction Indicator Lamp: Testing and Inspection
With Manufacturer's Scan Tool
Electronic Power Control (EPC) Warning Lamp -K132-, Checking
Functional check of warning lamp
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Switch ignition on.
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Engine Control Module (ECM) switches on the Electronic Power Control (EPC) warning lamp -K132-.
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Start engine.
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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.