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.
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
Heavy steering |
Front tires (improperly inflated, unevenly worn) |
|
|
Front wheel alignment (incorrect) |
|
|
|
Front suspension (Lower ball joint) |
|
|
|
Steering gear assembly |
|
|
|
Battery and power source circuit |
|
|
|
Power source voltage of power steering ECU assembly |
|
|
|
Power steering ECU assembly |
|
|
|
Vehicle condition (Steering wheel is turned from left to right repeatedly with vehicle stopped or heavy load is continuously applied to vehicle) |
|
|
|
Steering effort differs between right and left or is uneven |
Rotation angle sensor initialization and torque sensor zero point calibration incomplete |
|
|
Front tires (improperly inflated, unevenly worn) |
|
|
|
Front wheel alignment (incorrect) |
|
|
|
Front suspension (Lower ball joint) |
|
|
|
Steering gear assembly |
|
|
|
Torque sensor (Electric power steering column sub-assembly) |
|
|
|
Electric power steering column sub-assembly |
|
|
|
Power steering ECU assembly |
|
|
|
While driving, steering effort does not change in accordance with vehicle speed, or steering wheel does not return to its centered position easily |
Skid control ECU assembly |
|
|
Speed sensor |
|
|
|
Torque sensor (Electric power steering column sub-assembly) |
|
|
|
Power steering ECU assembly |
|
|
|
CAN communication system |
|
|
|
Friction sounds occur when turning steering wheel during low speed driving |
Power steering motor (Power steering ECU assembly) |
|
|
Electric power steering column sub-assembly |
|
|
|
Spiral cable with sensor sub-assembly |
|
|
|
Steering column cover contacting steering wheel assembly |
|
|
|
High-pitched sound (squeaking) occurs when turning steering wheel slowly with vehicle stopped |
Power steering motor (Power steering ECU assembly) |
|
|
Steering wheel installation (incorrect) |
|
|
|
Steering wheel vibrates and noise occurs when turning steering wheel from lock to lock |
Power steering motor (Power steering ECU assembly) |
|
|
Electric power steering column sub-assembly |
|
|
|
Steering wheel installation (incorrect) |
|
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On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT STEERING WHEEL FREE PLAY
(a) Turn the Engine Start so that the power steering is ready to operate.
(b) Stop the vehicle and align the front wheels facing ...
Steering Wheel
...
Other materials:
Toyota CH-R Service Manual > Theft Deterrent / Keyless Entry: Electrical Key Oscillator(for Front Floor)
Components
COMPONENTS
ILLUSTRATION
*1
NO. 1 INDOOR ELECTRICAL KEY ANTENNA ASSEMBLY
-
-
Installation
INSTALLATION
PROCEDURE
1. INSTALL NO. 1 INDOOR ELECTRICAL KEY ANTENNA ASSEMBLY
(a) Engage the clamp to install the No. 1 indoor elect ...
Toyota CH-R Service Manual > Navigation System: Operation Check
OPERATION CHECK
CHECK NAVIGATION SYSTEM NORMAL CONDITION
(a) If the cause of a symptom is any of the following, the corresponding symptom
is normal; it is not due to a malfunction.
Symptom
Answer
A longer route than expected is chosen.
Depending ...
Toyota CH-R Owners Manual
- For safety and security
- Instrument cluster
- Operation of each component
- Driving
- Interior features
- Maintenance and care
- When trouble arises
- Vehicle specifications
- For owners
Toyota CH-R Service Manual
- Introduction
- Maintenance
- Audio / Video
- Cellular Communication
- Navigation / Multi Info Display
- Park Assist / Monitoring
- Brake (front)
- Brake (rear)
- Brake Control / Dynamic Control Systems
- Brake System (other)
- Parking Brake
- Axle And Differential
- Drive Shaft / Propeller Shaft
- K114 Cvt
- 3zr-fae Battery / Charging
- Networking
- Power Distribution
- Power Assist Systems
- Steering Column
- Steering Gear / Linkage
- Alignment / Handling Diagnosis
- Front Suspension
- Rear Suspension
- Tire / Wheel
- Tire Pressure Monitoring
- Door / Hatch
- Exterior Panels / Trim
- Horn
- Lighting (ext)
- Mirror (ext)
- Window / Glass
- Wiper / Washer
- Door Lock
- Heating / Air Conditioning
- Interior Panels / Trim
- Lighting (int)
- Meter / Gauge / Display
- Mirror (int)
- Power Outlets (int)
- Pre-collision
- Seat
- Seat Belt
- Supplemental Restraint Systems
- Theft Deterrent / Keyless Entry
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