3.
Monitor the "AMBIENT TEMP.SENSOR" Parameter on the Scantool.
※Parameter of "AMBIENT TEMP.SENSOR" will be fixed at 20℃(67℉), if there is any fault in AMBIENT TEMP.SENSOR.
Connect scantool to Data Link Connector(DLC).
Engine "ON"
Monitor the "AMBIENT TEMP.SENSOR" Parameter on the Scantool.
※Parameter of "AMBIENT TEMP.SENSOR" will be fixed at 20℃(67℉), if there is any fault in AMBIENT TEMP.SENSOR.
Are the DTC B1238 present and is parameter of "AMBIENT TEMP.SENSOR" fixed ?
YES
Go to "Inspection & Repair" procedure
NO
Fault is intermittent caused by poor contact in the sensor’s and/or ECM’s connector or was repaired and ECM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and then go to "Verification of Vehicle Repair" procedure.
