B27B0

B27B0 A/C AUTO AMP.

DTC Logic


DTC DETECTION LOGIC

NOTE:
- If DTC is displayed along with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to HAC68, "DTC Logic".
- If DTC is displayed along with DTC U1010, first perform the trouble diagnosis for DTC U1010. "DTC Logic" Control Unit.






DTC CONFIRMATION PROCEDURE


1. PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT
1.Turn ignition switch ON.
2.Select "Self Diagnostic Result" mode of "HVAC" using CONSULT.
3.Check DTC.
Is DTC detected?
YES- Refer to "Diagnosis Procedure" .
NO- INSPECTION END


Diagnosis Procedure


1. PERFORM SELF DIAGNOSTIC

With CONSULT
1.Turn ignition switch ON.
2.Select "Self Diagnostic Result" mode of "HVAC" using CONSULT.
3.Touch "ERASE".
4.Turn ignition switch OFF.
5.Turn ignition switch ON.
6.Perform "DTC CONFIRMATION PROCEDURE". Refer to "DTC Logic" .
Is DTC detected again?
YES- Replace A/C auto amp. Refer to "Removal and Installation" Service and Repair.
NO- INSPECTION END