Monitor Scan Tool Data
- Connect scan tool to DLC (Data Link Connector)
- Warm up the engine to normal operating temperature.
- Monitor "HO2S (B1S1)" parameter on scan tool
Specification: 0.1-0.9V
- Does the "HO2S (B1S1)" parameter operates correctly?
YES
- Fault is intermittent caused by poor contact in Sensor's and/or PCM's connector or was repaired and PCM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure
NO
- Go to "COMPONENT INSPECTION " procedure.