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Light Failure Warning Sensor

Disconnect Natural 12-pin light failure sensor connector. Using DVOM, check circuits between wire harness connector terminals and ground. See LIGHT FAILURE WARNING SENSOR  table. Repair circuits as necessary. If circuits are okay, replace sensor.

LIGHT FAILURE WARNING SENSOR

Terminal Condition Specification
2 Constant (1) Continuity
3 Constant (1) Continuity
4 Constant (1) Continuity
6 Constant (1) Continuity
7 Constant (1) Continuity
11 Constant Continuity
16 Constant (1) Continuity
1 Stoplight Switch Off No Voltage
1 Stoplight Switch On Battery Voltage
8 Stoplight Switch Off No Voltage
8 Stoplight Switch On Battery Voltage
9 Ignition LOCK Or ACC No Voltage
9 Ignition ON Battery Voltage
14 Ignition LOCK Or ACC No Voltage
14 Ignition ON Battery Voltage
16 Light Switch OFF No Voltage
16 Light Switch TAIL Or HEAD Battery Voltage
(1) Resistance is indicated due to bulb in circuit.