Toyota CH-R Service Manual: 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.
  • Inspect the fuses and relays related to this system before inspecting the suspected areas below.
Entire System

Symptom

Suspected Area

Link

System does not operate at all

Proceed to "Power Source Circuit"

CAN communication system

Blind spot monitor sensor LH (Master)

System cannot be turned off

CAN communication system

Blind spot monitor sensor LH (Master)

"Blind Spot Monitor Unavailable" or "Blind Spot Monitor System Malfunction Visit Your Dealer" is displayed on the multi-information display

Check abnormality history

Blind spot monitor sensor RH (Slave)

Blind spot monitor sensor LH (Master)

Combination meter assembly

Blind Spot Monitor Function

Symptom

Suspected Area

Link

Outer rear view mirror indicator RH does not illuminate

Proceed to "Blind Spot Monitor Beam Axis Confirmation"

Outer mirror RH

Outer rear view mirror assembly RH

Blind spot monitor sensor RH (Slave)

Outer rear view mirror indicator LH does not illuminate

Proceed to "Blind Spot Monitor Beam Axis Confirmation"

Outer mirror LH

Outer rear view mirror assembly LH

Blind spot monitor sensor LH (Master)

Outer rear view mirror indicator RH remains illuminated

Proceed to "Blind Spot Monitor Beam Axis Confirmation"

Blind spot monitor sensor RH (Slave)

Outer rear view mirror indicator LH remains illuminated

Proceed to "Blind Spot Monitor Beam Axis Confirmation"

Blind spot monitor sensor LH (Master)

Outer rear view mirror indicator RH does not flash

Proceed to "Turn Signal Light" in Problem Symptoms Table for the Lighting (EXT) section

Blind spot monitor sensor RH (Slave)

Outer rear view mirror indicator LH does not flash

Proceed to "Turn Signal Light" in Problem Symptoms Table for the Lighting (EXT) section

Blind spot monitor sensor LH (Master)

Outer rear view mirror indicator RH continues to flash

Blind spot monitor sensor RH (Slave)

Outer rear view mirror indicator LH continues to flash

Blind spot monitor sensor LH (Master)

RCTA Function

Symptom

Suspected Area

Link

Function does not operate at all

(Blind spot monitor function operates normally)

Data List / Active Test (Reverse)

Continuously Variable Transaxle System (for K114)

Blind spot monitor sensor RH (Slave)

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