RS 6 V8-4.2L Turbo (BCY) (2003)
Malfunction Indicator Lamp: Testing and Inspection
Malfunction Indicator Lamp (MIL),Checking
Malfunction Indicator Lamp (MIL),Checking
Checking operation of MIL
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Switch ignition on.
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MIL must light
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Start engine.
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Shortly after starting engine MIL must go out if no faults of relevance to emissions have been stored in DTC memory
NOTE: The activation signal for the fault lamp is transmitted from the engine control module to the instrument cluster by means of the CAN bus. Check
data exchange between engine control module and other control modules with CAN capability. See: Powertrain Management/Computers and Control
Systems/Information Bus/Testing and Inspection/Component Tests and General Diagnostics