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Connector Connected

WARNING: This page is about a different car, the 2003 Lexus IS 300 and 2002 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.

With combination switch plugged in, backprobe connector. See Figure. See INSPECTING LIGHT CONTROL SWITCH CIRCUIT (CONNECTOR CONNECTED)  table. If circuit is not as specified, inspect wiring harness. See WIRING DIAGRAMS .

INSPECTING LIGHT CONTROL SWITCH CIRCUIT (CONNECTOR CONNECTED)

Tester Connection Condition Specified Condition
12 - Ground Light Control Switch OFF, TAIL Or HEAD B+ Voltage
12 - Ground Light Control Switch AUTO No Voltage
13 - Ground Light Control Switch OFF Or TAIL B+ Voltage
13 - Ground Light Control Switch HEAD No Voltage
14 - Ground Light Control Switch OFF B+ Voltage
14 - Ground Light Control Switch TAIL Or HEAD No Voltage