Monitor Scantool Data
- Connect scantool to Data Link Connector (DLC).
- Warm up the engine to normal operating temperature.
- Monitor the "O2 OUT VOLT (B1S2)" parameter on scantool.
- Specification: Appox. 0.6~0.7 Volts
- Is the sensor switching properly?
YES
- Fault is intermittent caused by poor contact in the sensor's and/or ECM's connector.
- Fault was repaired and ECM memory was not cleared.
- If the problem works out, Go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO
- Go to "Inspection & Repair" procedure.