Turn Signal 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 turn signal switch circuit. Disconnect the connector from the combination switch and inspect the connector on the wire harness side. For the front side of the combination switch connector, see CONNECTOR IDENTIFICATION . See INSPECTING TURN SIGNAL SWITCH CIRCUIT (DISCONNECTED) table. If the circuit is not as specified, inspect the wire harness. See WIRING DIAGRAMS .INSPECTING TURN SIGNAL SWITCH CIRCUIT (DISCONNECTED)
Tester Connection Condition Specified Condition 2 - Ground Constant Continuity - Connector Connected -
Inspect the turn signal switch circuit. Connect the wire harness side connector to the combination switch and inspect the connector from the back side. For the front side of the combination switch connector, see CONNECTOR IDENTIFICATION . See INSPECTING TURN SIGNAL SWITCH CIRCUIT (CONNECTED) table. If the circuit is not as specified, inspect the wire harness. See WIRING DIAGRAMS .INSPECTING TURN SIGNAL SWITCH CIRCUIT (CONNECTED)
Tester Connection Condition Specified Condition 2 - Ground Ignition Switch ON & Turn Signal Switch Neutral No Voltage 1 - Ground Ignition Switch ON & Turn Signal Switch Left B+ Voltage - 0 Volt 3 - Ground Ignition Switch ON & Turn Signal Switch Right No Voltage - 0 Volt