Toyota CH-R Service Manual: Problem Symptoms Table

Toyota CH-R Service Manual / Wiper / Washer / Wiper And Washer System / Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

HINT:

Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.

Front Wiper and Washer (w/ Rain Sensor)

Symptom	Suspected Area	Link
Front wipers do not operate at all	ECU-IG1 NO. 4 fuse	-
	Windshield wiper switch assembly
	Windshield wiper motor assembly
	Windshield wiper relay assembly
	No. 1 integration relay
	Harness or connector	-
Front wipers do not operate in AUTO	Rain sensor tape	-
	Rain sensor
	Windshield wiper switch assembly
	Windshield wiper relay assembly
	Windshield wiper motor assembly
	Harness or connector	-
When the front wiper switch is in AUTO, the rain sensor sensitivity cannot be adjusted by the controlling sensitivity setting switch	Windshield glass (Rain sensor sensing portion) is dirty	-
	Windshield wiper switch assembly
	Windshield wiper relay assembly
	Harness or connector	-
Front wipers do not operate in MIST	Windshield wiper switch assembly
Front wipers do not operate in MIST	Harness or connector	-
Front wipers do not operate in LO	Windshield wiper switch assembly
	Windshield wiper motor assembly
	Windshield wiper relay assembly
	Harness or connector	-
Front wipers do not operate in HI	Windshield wiper switch assembly
	Windshield wiper motor assembly
	Windshield wiper relay assembly
	Harness or connector	-
Front washer motor does not operate	WASHER fuse	-
	Windshield washer motor and pump assembly
	Windshield wiper switch assembly
	Harness or connector	-
Washer fluid does not flow	Washer fluid	-
Washer fluid does not flow	Washer hose and nozzle	-
Front wipers do not operate when the front washer switch is on	Windshield wiper motor assembly
	Windshield wiper relay assembly
	Harness or connector	-
When the front wiper switch is off, the wiper blades do not stop (park) or stop (park) in the wrong position	Front wiper arm installation position
	Windshield wiper switch assembly
	Windshield wiper motor assembly
	Windshield wiper relay assembly
	Harness or connector	-

Front Wiper and Washer (w/o Rain Sensor)

Symptom	Suspected Area	Link
Front wipers do not operate at all	WIPER fuse	-
	Windshield wiper switch assembly
	Windshield wiper motor assembly
	No. 1 Integration relay
	Harness or connector	-
Front wipers do not operate in INT	Windshield wiper switch assembly
	Windshield wiper motor assembly
	Harness or connector	-
Front wipers do not operate in MIST	Windshield wiper switch assembly
Front wipers do not operate in MIST	Harness or connector	-
Front wipers do not operate in LO	Windshield wiper switch assembly
	Windshield wiper motor assembly
	Harness or connector	-
Front wipers do not operate in HI	Windshield wiper switch assembly
	Windshield wiper motor assembly
	Harness or connector	-
Front washer motor does not operate	WASHER fuse	-
	Windshield washer motor and pump assembly
	Windshield wiper switch assembly
	Harness or connector	-
Washer fluid does not flow	Washer fluid	-
Washer fluid does not flow	Washer hose and nozzle	-
Front wipers do not operate when the front washer switch is on	Windshield wiper motor assembly
	Windshield wiper switch assembly
	Harness or connector	-
When the front wiper switch is off, the wiper blades do not stop (park) or stop (park) in the wrong position	Front wiper arm installation position
	Windshield wiper switch assembly
	Windshield wiper motor assembly
	Harness or connector	-

Rear Wiper and Washer

Symptom	Suspected Area	Link
Rear wiper does not operate at all	WIPER RR fuse	-
	Windshield wiper switch assembly
	Rear wiper motor assembly
	Harness or connector	-
Rear wiper does not operate in INT	Windshield wiper switch assembly
	Rear wiper motor assembly
	Harness or connector	-
Rear wiper does not operate in ON	Windshield wiper switch assembly
	Rear wiper motor assembly
	Harness or connector	-
Rear washer motor does not operate	WASHER fuse	-
	Windshield washer motor and pump assembly
	Windshield wiper switch assembly
	Harness or connector	-
Washer fluid does not flow	Washer fluid	-
Washer fluid does not flow	Washer hose and nozzle	-
When the rear wiper switch is off, the wiper blade does not stop (park) or stops (parks) in the wrong position	Rear wiper arm installation position
	Windshield wiper switch assembly
	Rear wiper motor assembly
	Harness or connector	-

Washer Fluid Level Warning System (for Cold Area Specification Vehicles)

Symptom	Suspected Area	Link
Washer fluid level warning message on the multi-information display does not operate	Level warning switch assembly
	Meter and gauge system
	Harness or connector	-

Operation Check

OPERATION CHECK FRONT WIPER MOTOR AND LINK ASSEMBLY INSPECTION (a) AUTO Wiper Inspection (w/ Rain Sensor) (1) Continuously apply water to the windshield glass in front of the rain sensor. (2) Turn ...

Terminals Of Ecu

TERMINALS OF ECU CHECK WINDSHIELD WIPER RELAY ASSEMBLY (w/ Rain Sensor) (a) Disconnect the F56 windshield wiper relay assembly connector. (1) Measure the voltage and resistance on the wire harnes ...

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