Monitor Scantool Data

Monitor Scantool Data

1. IG "OFF" & connect scantool.
2. Warm -up the engine to normal operating temperature.
3. Monitor "HO2S (B2/S2) Heater" item on the service data.




4. Is the "HO2S Heater (B2/S2)" data displayed correctly?
YES
- Fault is intermittent caused by poor contact in the sensor's and/or PCM's connector or was repaired and PCM memory was not cleared. Thoroughly check connectors for looseness, poor connection, ending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "Verification of Vehicle Repair" procedure
NO
- Go to "Terminal and connector inspection" procedure