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 |
|
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 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 |
- |
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 |
|
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 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 |
- |
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 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 |
- |
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 |
- |
Toyota CH-R Service Manual > Can Communication System: Diagnosis System
DIAGNOSIS SYSTEM
CHECK FOR INSTALLED SYSTEMS (ECUS AND SENSORS) THAT USE CAN COMMUNICATION
(a) The systems (ECUs and sensors) that use CAN communication vary depending
on the vehicle and optional equipment. Check which systems (ECUs and sensors) are
installed to the vehicle.
(1) Techstream di ...
Toyota CH-R Service Manual > Audio And Visual System(for Radio And Display Type): Illumination for Panel Switch does not Come on with Tail Switch ON
CAUTION / NOTICE / HINT
NOTICE:
Depending on the parts that are replaced during vehicle inspection or
maintenance, performing initialization, registration or calibration may
be needed. Refer to Precaution for Audio and Visual System.
Click here
When replacing the ...