FixVault

Wiper Motor 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 motor and inspect the connector on the wiring harness side. See CONNECTOR IDENTIFICATION . See INSPECTING WIPER MOTOR CIRCUIT  table. If the circuit is not as specified, inspect the circuits connected to other parts.

INSPECTING WIPER MOTOR CIRCUIT

Tester Connection Condition Specified Condition
5 - Ground Constant Continuity
1 - Ground Wiper Switch OFF Or INT, HIGH (1) No Voltage
1 - Ground Wiper Switch LOW (1) B+ Voltage
2 - Ground Ignition Switch LOCK Or ACC No Voltage
2 - Ground Ignition Switch ON B+ Voltage
4 - Ground Wiper Switch OFF Or INT, LOW (1) No Voltage
4 - Ground Wiper Switch HIGH (1) B+ Voltage
(1) Turn ignition switch ON.