System Tests: Notes

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

SYMPTOM INDEX

Symptom

Suspected Area ⁽¹⁾

Front Wipers Do Not Operate

⁽²⁾⁽³⁾⁽⁴⁾⁽⁵⁾

Front Wipers Do Not Operate In LO Or HI Or INT

⁽⁴⁾⁽⁶⁾⁽⁵⁾

Front Washer Motor Does Not Operate

⁽³⁾⁽⁷⁾⁽⁸⁾⁽⁵⁾

Front Wipers Do Not Operate When Washer Switch Is ON

⁽⁴⁾⁽⁶⁾⁽⁵⁾

Washer Fluid Does Not Operate

⁽⁹⁾

When Wiper Switch Is OFF, Wiper Blade Does Not Retract Or Retract Position Is Wrong

⁽¹⁰⁾

Rain Drop Sensing Function Does Not Operate

⁽¹¹⁾

⁽¹⁾	Perform test procedures in order listed under suspected area.

⁽²⁾	Inspect the IG1 relay.

⁽³⁾	Inspect the WIPER fuse.

⁽⁴⁾	Inspect the front wiper switch. See WIPER SWITCH under COMPONENT TESTS.

⁽⁵⁾	Inspect the wire harness.

⁽⁶⁾	Inspect the front wiper motor. See WIPER MOTOR under COMPONENT TESTS.

⁽⁷⁾	Inspect the front washer switch. See WIPER MOTOR under COMPONENT TESTS.

⁽⁸⁾	Inspect the front washer motor. See WASHER MOTOR under COMPONENT TESTS.

⁽⁹⁾	Inspect the washer hose and nozzle. See WASHER NOZZLE under DESCRIPTION & OPERATION.

⁽¹⁰⁾	Inspect the wiper switch. Inspect the wiper arm and blade set position.

⁽¹¹⁾	See TEST A: RAIN DROP SENSING FUNCTION DOES NOT OPERATE