Fault-Tracing Information

Fault-tracing

Checking components and wiring








- Ignition off
Disconnect the engine control module (ECM).
Check the signal wiring for the starter relay. Check for a short-circuit to supply.
Measure between:
- Engine control module (ECM) #B11 (#C11) and starter relay.
- Engine control module (ECM) #B9 (#C9) and starter relay.
Remedy as necessary.

Other information
- Connecting the breakout box, B6304T4 Breakout Box Connection, Engine Control Module (ECM)
- Signal specification, B6304T4 Signal Specification, Engine Control Module (ECM)
- Component specifications, B6304T4 [1][2]Computers and Control Systems
- Location of components, B6304T4 Locations
- Checking wiring and terminals Checking Wiring and Terminals. Permanent Faults





Continue - Verification

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Fault-tracing information

Attempt New Test - Checking components and wiring

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Verification




Verification

Hint: After carrying out the repair, check that the fault has been remedied.








- Ignition off
- Reconnect the connectors, components, etc.
- Run the starter motor/start the engine.
- Allow the engine to idle if it starts.
- Read the diagnostic status and fault status for the diagnostic trouble code by selecting the diagnostic trouble code in the list.
Check the fault status for the diagnostic trouble code when the scan is "Implemented". When the function is correct the fault status should be "No fault found" when the scan is implemented.





Is the function OK?

Yes - VERIFIED

No - VERIFICATION FAILED

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VERIFICATION FAILED - Fault-tracing information

VERIFIED - FAULT FOUND

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