B1503

DTC B1503: Evaporator Temperature Sensor Circuit Malfunction

Wiring Diagram:

Wiring Diagram

DTC Detecting Condition And Trouble Area:

DTC Detecting Condition and Trouble Area

Step 1-2:

Step 3-4:

DTC Troubleshooting

NOTE: When DTC B1502, B1504, B1511 and B1512 are indicated together, it is possible that sensor ground circuit is open.