Light Failure Sensor Circuit

2004 Toyota Matrix XR, FWD, StandardSECTION Light Failure Sensor Circuit
WARNING: This page is about a different car, the 2003 Lexus GS 430, 2003 Lexus GS 300, 2002 Lexus GS 430, and 2002 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the connector from the light failure sensor and inspect the connectors on the wire harness side. See CONNECTOR IDENTIFICATIONΒ . See INSPECTING LIGHT FAILURE SENSOR CIRCUITΒ  table. If the circuit is as specified, replace the relay. If the circuit is not as specified, inspect the circuits connected to other parts.

INSPECTING LIGHT FAILURE SENSOR CIRCUIT

Tester Connection (Wire Color) Condition Specified Condition
1 (Green/White) - Ground Constant Continuity (1)
2 (Green/Yellow) - Ground Constant Continuity (1)
6 (Green/Red) - Ground Constant Continuity (1)
7 (Green/Yellow) - Ground Constant Continuity (1)
11 (White/Black) - Ground Constant Continuity
12 (Green/Red) - Ground Constant Continuity (1)
5 (Green) - Ground Light Control Switch OFF No Voltage
5 (Green) - Ground Light Control Switch In TAIL Or HEAD B+ Voltage
8 (Red/Blue) - Ground Ignition Switch In LOCK Or ACC No Voltage
8 (Red/Blue) - Ground Ignition Switch ON B+ Voltage
9 (Green/White), 10 (Green) - Ground Stop Light Switch OFF No Voltage
9 (Green/White), 10 (Green) - Ground Stop Light Switch ON B+ Voltage
(1) There is resistance because this circuit is grounded through the bulb.
RENDER: 1.0x

NO RELATED

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