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.
Horn System|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
Horn does not sound |
HORN fuse |
- |
|
HORN relay |
|
|
|
Low pitched horn assembly |
|
|
|
Spiral cable sub-assembly |
|
|
|
Steering pad switch assembly |
|
|
|
Horn button assembly |
|
|
|
Instrument panel junction block assembly |
|
|
|
Wire harness |
- |
|
|
Horn sounds all the time |
HORN relay |
|
|
Spiral cable sub-assembly |
|
|
|
Steering pad switch assembly |
|
|
|
Horn button assembly |
|
|
|
Instrument panel junction block assembly |
|
|
|
Main body ECU (Multiplex network body ECU) |
|
|
|
Wire harness |
- |
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Parts Location
PARTS LOCATION
ILLUSTRATION
*1
LOW PITCHED HORN ASSEMBLY
*2
HORN RELAY
*3
NO. 1 ENGINE ROOM RELAY BLOCK
*4
...
System Diagram
SYSTEM DIAGRAM
...
Other materials:
Toyota CH-R Service Manual > Theft Deterrent System: Unlock Warning Switch Circuit
DESCRIPTION
The key unlock warning switch assembly comes on when the ignition key is inserted
into the ignition key cylinder and goes off when the ignition key is removed.
WIRING DIAGRAM
PROCEDURE
1.
READ VALUE USING TECHSTREAM (KEY UNLOCK WARNING SW)
(a) Con ...
Toyota CH-R Service Manual > Vehicle Stability Control System: Freeze Frame Data
FREEZE FRAME DATA
FREEZE FRAME DATA
(a) Whenever an ABS DTC is detected, the skid control ECU (brake actuator assembly)
stores the current vehicle (ECU or sensor) state as Freeze Frame Data.
(b) The skid control ECU (brake actuator assembly) stores the number of times
(maximum: 31) the igniti ...
Toyota C-HR (AX20) 2023-2025 Owner's Manual
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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