Fog Light Switch 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.
- Connector Disconnected -
Inspect the fog light switch circuit. See LIGHT CONTROL SWITCH CIRCUIT under CIRCUIT TESTS in BODY CONTROL SYSTEMS
article under COMMUNICATION DEVICES in ACCESSORIES & EQUIPMENT. Disconnect the connector from the switch and inspect the connector on the wire harness side. For the front side of the combination switch connector, see CONNECTOR IDENTIFICATION . See INSPECTING FOG LIGHT SWITCH CIRCUIT (DISCONNECTED) table. If the circuit is not as specified, inspect the wire harness. See WIRING DIAGRAMS .INSPECTING FOG LIGHT SWITCH CIRCUIT (DISCONNECTED)
Tester Connection Condition Specified Condition 11 - Ground Light Control Switch TAIL Or HEAD & Dimmer Switch LOW Or HI Continuity - Connector Connected -
Inspect the fog light switch circuit. Connect the wire harness side connector to the light control and dimmer switch and inspect the connector from the back side. For the front side of the combination switch connector, see CONNECTOR IDENTIFICATION . See INSPECTING FOG LIGHT SWITCH CIRCUIT (CONNECTED) table. If the circuit is not as specified, inspect the wire harness. See WIRING DIAGRAMS .INSPECTING FOG LIGHT SWITCH CIRCUIT (CONNECTED)
Tester Connection Condition Specified Condition 11 - Ground Light Control Switch HEAD & Headlight Dimmer Switch LO & Fog Light Switch ON No Voltage 11 - Ground Light Control Switch HEAD & Headlight Dimmer Switch HI Or FLASH & Fog Light Switch ON B+ Voltage