Wiper Switch Circuit
WARNING: This page is about a different car, the 2003 Lexus RX 300 and 2002 Lexus RX 300. However, it is still accessible from the selected car via links, so may be relevant.
Disconnect the connector from the switch and inspect the connector on the wiring harness side. See CONNECTOR IDENTIFICATION . See INSPECTING WIPER SWITCH CIRCUIT table. If circuit is not as specified, inspect the circuits connected to other parts.
INSPECTING WIPER SWITCH CIRCUIT
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| 2 - Ground | Constant | Continuity |
| 11 - Ground | Ignition Switch LOCK Or ACC | No Voltage |
| 11 - Ground | Ignition Switch ON | B+ Voltage |