DTC Confirmation Procedure
WARNING: This page is about a different car, the 2009 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK WITH SELF-DIAGNOSIS FUNCTION OF CONSULT-III
- Using CONSULT-III, perform "SELF-DIAGNOSIS RESULTS" of HVAC.
- Check if any DTC No. is displayed in the self-diagnosis results.
NOTE:- If DTC is displayed along with DTC U1000 or U1010, first diagnose the DTC U1000 or U1010. Refer to "DTC LOGIC - U1000 CAN COMM CIRCUIT " or "DTC LOGIC - U1010 CONTROL UNIT (CAN) ".
- If there is an open circuit in the ambient sensor, A/C auto amp. registers extreme cold [-30°C (-22°F)] and adjusts the temperature control warmer.
Is DTC No."B257B" or "B257C" displayed?
YES: Perform trouble diagnosis for the ambient sensor. Refer to "DIAGNOSIS PROCEDURE ".
NO: Inspection End.