Remove the photo & auto light sensor (A) from the center crash pad upper.
Disconnect the 8P connector (B) from the auto light unit then inspect the connector on the wire harness side, as shown in the chart.
Tester connection | Condition | Specified condition |
2-Ground | Constant | 5V |
Tail lamp switch ON | 0V | |
3-Ground | Ignition switch ON | 12V |
5-Ground | Auto light switch ON | Continuity |
6-Ground | Ignition switch ON | 12V |
1-Ground | Constant | Continuity |
If the circuit is not as specified, inspect the circuits connected to other parts.