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Home >> Lexus >> 2015 >> IS 350C Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Wiper/Washer Systems >> Wiper System / Washer System (Diagnostics & Circuit Tests) >> Wiper And Washer System >> Problem Symptoms Table [08/2013 - ] >> Problem Symptoms Table [08/2013 - ]

Problem Symptoms Table [08/2013 - ]

HINT: 

FRONT WIPER AND WASHER SYSTEM

Symptom Suspected Area Refer To
Wiper and washer systems do not operate at all Wiper and washer switch circuit Refer to Wiper and Washer Switch Circuit [08/2013 - ] 
Main body ECU LH (Cowl side junction block LH) -
Wiper system does not operate at all FR WIP, J/B, R/B, ALT fuse -
Wiper motor power source circuit Refer to Wiper Motor Power Source Circuit [08/2013 - ] 
Wiper and washer switch circuit Refer to Wiper and Washer Switch Circuit [08/2013 - ] 
Front wiper motor circuit Refer to Front Wiper Motor Circuit [08/2013 - ] 
Main body ECU LH (Cowl side junction block LH) -
Wiper system does not operate (LO, INT) Wiper and washer switch circuit Refer to Wiper and Washer Switch Circuit [08/2013 - ] 
Front wiper motor circuit Refer to Front Wiper Motor Circuit [08/2013 - ] 
Main body ECU LH (Cowl side junction block LH) -
Wiper system does not operate (HI) Wiper switch (Hi-speed) circuit Refer to Wiper Switch (HI Speed) Circuit [08/2013 - ] 
Front wiper motor circuit Refer to Front Wiper Motor Circuit [08/2013 - ] 
Main body ECU LH (Cowl side junction block LH) -
Wiper system does not stop Wiper switch (Hi-speed) circuit Refer to Wiper Switch (HI Speed) Circuit [08/2013 - ] 
Front wiper motor circuit Refer to Front Wiper Motor Circuit [08/2013 - ] 
Main body ECU LH (Cowl side junction block LH) -
Washer system does not operate WASHER, R/B, ALT fuse -
Wiper and washer switch circuit Refer to Wiper and Washer Switch Circuit [08/2013 - ] 
Washer motor circuit Refer to Washer Motor Circuit [08/2013 - ] 
Front controller (Multiplex network body ECU) -
Main body ECU LH (Cowl side junction block LH) -
AUTO WIPER SYSTEM

Symptom Suspected Area Refer To
Auto wiper system does not operate (manual operation is normal) Rain sensor tape*1 -
ECU-IG LH fuse -
Wiper and washer switch circuit Refer to Wiper and Washer Switch Circuit [08/2013 - ] 
Rain sensor circuit Refer to Rain Sensor Circuit [08/2013 - ] 
Rain sensor Refer to ON-VEHICLE INSPECTION [08/2013 - ]
Main body ECU LH (Cowl side junction block LH) -
HEADLIGHT CLEANER SYSTEM

Symptom Suspected Area Refer To
Headlight cleaner system does not operate at all (Low beam headlight system and washer system are normal) H-LP CLN, J/B, R/B, ALT fuse -
Headlight cleaner switch circuit Refer to Headlight Cleaner Switch Circuit [08/2013 - ] 
Headlight cleaner motor and relay circuit Refer to Headlight Cleaner Motor and Relay Circuit [08/2013 - ] 
Main body ECU RH (Cowl side junction block RH) -
Front controller (Multiplex network body ECU) -
Headlight cleaner control relay -
OTHERS

Symptom Suspected Area Refer To
Washer fluid level warning system does not operate Washer fluid level warning switch circuit Refer to Washer Fluid Level Warning Switch Circuit [08/2013 - ] 
Front controller (Multiplex network body ECU) -
Combination meter -

HINT: 

*1: Before inspecting the rain sensor, first check if the rain sensor tape is correctly installed.