B1503

DTC B1503-H/L: Evaporator Temperature Sensor and/or Its Circuit Malfunction

Wiring Diagram

Wiring Diagram:

DTC Detecting Condition and Trouble Area

DTC Detecting Condition and Trouble Area:

DTC Confirmation Procedure
1. Connect scan tool to DLC with ignition switch turned OFF.
2. Turn ON ignition switch and clear DTC using scan tool.
3. Check DTC.

DTC Troubleshooting

NOTE: When DTC B1502, B1511, B1512 and B1530 are indicated together, it is possible that "BLK/RED" wire circuit open.

Step 1-7: