Fault-Tracing Information

Fault tracing ECM-P003200

Checking the status




- The ignition must be on to perform the diagnostic.
Check whether the fault is permanent or intermittent. Read off the diagnostic trouble code (DTC) fault status when the diagnostic status is "Completed".
The fault is permanent if the fault status is "Fault found". The fault is intermittent if the fault status is "No fault found".









Continue - Checking components

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Checking components

Caution! Do not apply rust solvent spray or grease to the heated oxygen sensor (HO2S) connector.

Check the cable between front heated oxygen sensor (HO2S) terminal #1 (bank 1) and voltage supply from the system relay. Check for a short-circuit to supply voltage.
Try a new rear heated oxygen sensor if the above measure does not remedy the fault.
Remedy as necessary.

Other information
- Connecting the breakout box, B8444S Connecting The Breakout Box, Engine Control Module (ECM)
- Heated oxygen sensor (HO2S), replacing, B8444S Service and Repair
- Checking wiring and terminals Checking Wiring And Terminals













Continue - Verification

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Verification




Verification

Hint: After repairing, it is necessary to check that the malfunction has been fixed.








- Ignition off
- Reinstall the connectors, components etc.
- Ignition on to perform the diagnosis.
Read off the diagnostic status and trouble status for the diagnostic trouble code.
Check that the diagnosis is "Implemented" and that the trouble status is "No malfunction found". If the trouble status is "Malfunction found", this indicates defective function.





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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Fault-tracing information

Attempt New Test - Checking components

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