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 |
- |
Parts Location
System DiagramToyota CH-R Service Manual > Air Conditioning System(for Automatic Air Conditioning System With Side-mounted
Air Conditioner Pressure Sensor): Parts Location
PARTS LOCATION
ILLUSTRATION
*1
AIR CONDITIONER PRESSURE SENSOR
*2
THERMISTOR ASSEMBLY
*3
FORWARD RECOGNITION CAMERA
*4
BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU)
*5
COOLER CO ...
Toyota CH-R Service Manual > Smart Key System(for Start Function): Engine/Power Switch Malfunction (B2278)
DESCRIPTION
This DTC is stored when the SSW1 contact signal and SSW2 contact signal, which
are detected when the engine switch is operated, do not match.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
Note
B2278 ...