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Wiper and Washer System Symptoms: Symptom Table

CAUTION: Perform "DTC check" with SDT before performing the diagnosis by symptom. Perform the diagnosis by DTC if DTC is detected.
ITEM SYMPTOM

Symptom Probable malfunction location Inspection item
Front wiper does not operate. HI only
  • Combination switch
  • Harness between combination switch and BCM
  • BCM
Combination switch Refer to [COMBINATION SWITCH SYSTEM SYMPTOMS: SYMPTOM TABLE ]
  • IPDM E/R
  • Harness between IPDM E/R and front wiper motor
  • Front wiper motor
Front wiper motor (HI) circuit
Refer to [FRONT WIPER MOTOR HI CIRCUIT CHECK ].
Front wiper request signal
  • BCM
  • IPDM E/R
IPDM E/R Data list "FR WIP REQ"
LO and INT
  • Combination switch
  • Harness between combination switch and BCM
  • BCM
Combination switch
Refer to [COMBINATION SWITCH SYSTEM SYMPTOMS: SYMPTOM TABLE ]
  • IPDM E/R
  • Harness between IPDM E/R and front wiper motor
  • Front wiper motor
Front wiper motor (LO) circuit
Refer to [FRONT WIPER MOTOR LO CIRCUIT CHECK ].
Front wiper request signal
  • BCM
  • IPDM E/R
IPDM E/R Data list "FR WIP REQ"
INT only
  • Combination switch
  • Harness between combination switch and BCM
  • BCM
Combination switch Refer to [COMBINATION SWITCH SYSTEM SYMPTOMS: SYMPTOM TABLE ]
Front wiper request signal
  • BCM
  • IPDM E/R
IPDM E/R Data list "FR WIP REQ"
HI, LO, and INT SYMPTOM DIAGNOSIS
"FRONT WIPER DOES NOT OPERATE"
Refer to [FRONT WIPER DOES NOT OPERATE ].
Front wiper does not stop. HI only
  • Combination switch
  • BCM
Combination switch Refer to [COMBINATION SWITCH SYSTEM SYMPTOMS: SYMPTOM TABLE ]
Front wiper request signal
  • BCM
  • IPDM E/R
IPDM E/R Data list "FR WIP REQ"
IPDM E/R -
LO only
  • Combination switch
  • BCM
Combination switch Refer to [COMBINATION SWITCH SYSTEM SYMPTOMS: SYMPTOM TABLE ]
Front wiper request signal
  • BCM
  • IPDM E/R
IPDM E/R Data list "FR WIP REQ"
IPDM E/R -
INT only
  • Combination switch
  • BCM
Combination switch Refer to [COMBINATION SWITCH SYSTEM SYMPTOMS: SYMPTOM TABLE ]
Front wiper request signal
  • BCM
  • IPDM E/R
IPDM E/R Data list "FR WIP REQ"
Front wiper does not operate normally. Intermittent adjustment cannot be performed.
  • Combination switch
  • Harness between combination switch and BCM
  • BCM
Combination switch Refer to [COMBINATION SWITCH SYSTEM SYMPTOMS: SYMPTOM TABLE ]
BCM -
Intermittent control linked with vehicle speed cannot be performed. Check the vehicle speed detection wiper setting.
Refer to [SDT FUNCTION (BCM - WIPER) ].
Wiper is not linked to the washer operation.
  • Combination switch
  • Harness between combination switch and BCM
  • BCM
Combination switch Refer to [COMBINATION SWITCH SYSTEM SYMPTOMS: SYMPTOM TABLE ]
BCM -
Does not return to stop position (Repeatedly operates for 10 seconds and then stops for 20 seconds. After that, it stops the operation).
  • IPDM E/R
  • Harness between IPDM E/R and front wiper motor
  • Front wiper motor
Front wiper auto stop signal circuit Refer to [FRONT WIPER AUTO STOP SIGNAL CIRCUIT CHECK ].