Fault-Tracing Information
Fault-tracing
Checking the status
- Start the engine and let it idle for approx. 3-5 minutes to perform the diagnosis.
Check if the malfunction is permanent or intermittent by reading off the diagnostic trouble code's status when the diagnostic status is "Implemented".
If the trouble status is "Malfunction found", this indicates that the malfunction is permanent. If the trouble status is "No malfunction found", this indicates that the malfunction is intermittent.
Continue - Checking components
-------------------------------------------------
Checking components
Caution! Do not apply rust solvent spray or grease to the heated oxygen sensor's (HO2S) connector.
Check the rear heated oxygen sensor connector (bank 1). Check for contact resistance and oxidation.
Check the signal cable between engine control module (ECM) and rear heated oxygen sensor for contact resistance and oxidation in the connections, open circuit and short-circuit to ground.
If the above troubleshooting does not solve the problem, try a new heated oxygen sensor.
Remedy as necessary.
Other information
- Connecting the breakout box, B6324S5 Connecting The Breakout Box, Engine Control Module (ECM)
- Signal specification, engine control module (ECM), B6324S5 Signal Specification, Engine Control Module (ECM)
- Oxygen sensor (Catalyst monitor sensor), B6324S5 Service and Repair
- Checking wiring and terminals Checking Wiring And Terminals
Continue - Verification
-------------------------------------------------
Troubleshooting information
Information
Fault-tracing information
The fault should have been detected and remedied. As this is not the case fault-tracing has failed.
Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.
Do you want to exit fault-tracing?
Yes - Exit fault-tracing
No - Attempt New Test
------------------------
Attempt New Test - Checking components
-------------------------------------------------
Verification
Verification
Hint: After repairing, it is necessary to check that the malfunction has been fixed.
- Ignition off
- Reinstall the connectors, components etc.
- Start the engine 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.
Trouble status shows "No malfunction found"?
Yes - VERIFIED
No - VERIFICATION FAILED
------------------------
VERIFICATION FAILED - Troubleshooting information
VERIFIED - FAULT FOUND
-------------------------------------------------