Diesel Data: Automotive Repair
Home >> Lexus >> 1999 >> LS 400 V8-4.0L (1UZ-FE) >> Repair and Diagnosis >> Wiper and Washer Systems >> Wiper Motor >> Testing and Inspection >> Related Diagnostic Procedures

Related Diagnostic Procedures

CIRCUIT DESCRIPTION
Wiper motor is controlled by the Body ECU. Even CPU is in the failure, its circuit structure enables to operate the wiper with "High" mode.




WIRING DIAGRAM

Step 1:




Step 2:




Step 3:




INSPECTION PROCEDURE

HINT: In case of using the LEXUS hand-held tester, start the inspection from step 1 and in case of not using the LEXUS hand-held tester, start from step 2.
Diesel-Data.com