DTC E
DTC indicator E: An Open in the Sunlight Sensor Circuit1. Disconnect the sunlight sensor 2P connector.
Does the vehicle have a Navigation System7
YES - Go to step 8.
NO - Go to step 2.
2. Disconnect climate control unit connector B (20P).
3. Check for continuity between the No.12 terminal of climate control unit connector B (20P) and the No.1 terminal of the sunlight sensor 2P connector.
Is there continuity?
YES - Go to step 4.
NO - Repair open in the wire between the climate control unit and the sunlight sensor.
4. Check for continuity between the No.11 terminal of climate control unit connector B (20P) and the No.2 terminal of the sunlight sensor 2P connector.
Is there continuity?
YES - Go to step 5.
NO - Repair open in the wire between the climate control unit and the outside air temperature sensor.
5. Reconnect the sunlight sensor 2P connector.
6. Reconnect climate control unit connector B (20P).
7. Test the sunlight sensor.
Is the sunlight sensor OK?
YES - Check for loose wires or poor connections at climate control unit connector B (20P) and at the sunlight sensor 2P connector If the connections are good, substitute a known good climate control unit, and recheck If the symptom/indication goes away, replace the original climate control unit.
NO - Replace the sunlight sensor.
8. Disconnect climate control unit connector B (26P).
9. Check for continuity between the No.19 terminal of climate control unit connector B (26P) and the No.1 terminal of the sunlight sensor 2P connector.
Is there continuity?
YES - Go to step 1O.
NO - Repair open in the wire between the climate control unit and the sunlight sensor.
10. Check for continuity between the No.1 terminal of climate control unit connector B (26P) and the No.2 terminal of the sunlight sensor 2P connector.
Is there continuity?
YES - Go to step 11.
NO - Repair open in the wire between the climate control unit and the outside air temperature sensor.
11. Reconnect the sunlight sensor 2P connector.
12. Reconnect climate control unit connector B (26P).
13. Test the sunlight sensor.
Is the sunlight sensor OK?
YES - Check for loose wires or poor connections at climate control unit connector B (26P) and at the sunlight sensor 2P connector. If the connections are good, substitute a known-good climate control unit, and recheck. If the symptom/indication goes away, replace the original climate control unit.
NO - Replace the sunlight sensor.