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Light Failure Sensor

Disconnect light failure sensor 12-pin connector, located in trunk. Check for continuity or voltage between ground and specified terminals. See LIGHT FAILURE SENSOR TEST  table. See Fig 1. If values are as specified, replace light failure sensor. If values are not as specified, check and repair wiring harness as necessary. See WIRING DIAGRAMS .

LIGHT FAILURE SENSOR TEST

Terminal No. Condition Value
1 Always (1) Continuity
2 Always (1) Continuity
3 Always (1) Continuity
5 Always (1) Continuity
9 Always (1) Continuity
11 Always (1) Continuity
3 Light Control Switch Off No Voltage
Head Or Tail Lights On Battery Voltage
4 Ignition; Lock Or ACC No Voltage
Ignition On Battery Voltage
7 Stoplight Switch Off No Voltage
Stoplight Switch On Battery Voltage
8 Ignition; Lock Or ACC No Voltage
Ignition On Battery Voltage
(1) Resistance is indicated due to bulb in circuit
Fig 1: Light Failure Sensor Wiring Harness Connector Terminals
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