( TL19E00K711000Y1232FAAT00 )

DTC Troubleshooting: B1232 (H and AUTO)

DTC B1232 or DTC indicator H and AUTO:
A Short in the Evaporator Temperature Sensor Circuit

1. Clear the DTC with the HDS.

1. Turn the ignition switch to LOCK (0), and then ON (II).

1. Do the self-diagnostic with the HDS or the climate control unit.

1. Check for DTCs.

Is DTC B1232 or H and AUTO indicated?

YES | - | Go to Step 5 .
NO | - | Intermittent failure.■

1. Turn the ignition switch to LOCK (0).

1. Disconnect climate control unit connectors A (28P) and B (12P).

1. Check for continuity between climate control unit connector A (28P) No. 23 terminal and body ground.

Is there continuity?

YES | - | Repair short to body ground in the wire between the climate control unit and the evaporator temperature sensor.■
NO | - | Go to Step 8 .