DTC Indicator Light E: An Open In The Sunlight Sensor Circuit

Fig 1: Checking For Continuity Between The No. 20 Terminal Of Climate Control Unit Connector B (30P) & The No. 1 Terminal Of The Sunlight Sensor 2P Connector

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity? 

1. YES  - Go to step 4.
2. NO  - Repair open in the wire between the climate control unit and the sunlight sensor.

Fig 2: Checking For Continuity Between The No. 3 Terminal Of Climate Control Unit Connector B (30P) & The No. 2 Terminal Of The Sunlight Sensor 2P Connector

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity? 

1. YES  - Go to step 5.
2. NO  - Repair open in the wire between the climate control unit and the sunlight sensor.

Is the sunlight sensor OK? 

1. YES  - Check for loose wires or poor connections at climate control unit connector B (30P) 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.
2. NO  - Replace the sunlight sensor.