
With CONSULT-III
- Perform the “SELF-DIAGNOSIS”.
- Check if any DTC is detected in the self-diagnostic results.
NOTE:
- If DTC is displayed along with DTC U1000 or U1010, first diagnose the DTC U1000 or U1010. Refer to DTC Logic or DTC Logic.
- If there is an open circuit in the ambient sensor, A/C auto amp registers extreme cold [−44°C (−47°F)] and adjusts the temperature control warmer.
Is DTC “B257B” or “B257C” displayed?
YES
>>Perform the diagnosis for the ambient sensor. Refer to
Diagnosis Procedure.
NO
>>INSPECTION END