Toyota CH-R Service Manual: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
NOTICE:
When replacing the combination meter assembly, always replace it with a new one. If a combination meter assembly which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored.
HINT:
- The following problem symptoms table is based on the assumption that each system related to the combination meter assembly is normal.
- Refer to System Description for details about the communication between
the combination meter assembly and each ECU.
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- 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.
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
Entire combination meter assembly does not operate |
Power source circuit |
|
|
Speedometer malfunction |
Speedometer circuit |
|
|
Tachometer malfunction |
Tachometer circuit |
|
|
Fuel receiver gauge malfunction |
Fuel receiver gauge circuit |
|
|
Engine coolant temperature receiver gauge malfunction |
Engine coolant temperature receiver gauge circuit |
|
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
Engine oil pressure warning light malfunction |
Engine oil pressure switch circuit |
|
|
Other indicator lights malfunction |
Combination meter assembly |
|
|
Other warning lights malfunction |
Combination meter assembly |
|
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
Multi-information display is not displayed |
Combination meter assembly |
|
|
Engine Oil Pressure Low display malfunction |
Engine oil pressure switch circuit |
|
|
Low washer fluid display malfunction*1 |
Washer fluid level warning switch circuit |
|
|
Other display malfunction |
Combination meter assembly |
|
- *1: w/ Washer Level Warning Switch
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
Oil pressure warning buzzer malfunction |
Engine oil pressure switch circuit |
|
|
Other buzzers malfunction |
Combination meter assembly |
|
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
Entire combination meter does not operate |
Power source circuit |
|
|
Operating steering pad switch does not change main display |
Steering pad switch circuit |
|
|
Operating steering pad switch does not change multi-information display |
Steering pad switch circuit |
|
|
Meter illumination is always dark |
Illumination circuit (Meter illumination is always dark) |
|
|
Meter illumination does not dim at night |
Illumination circuit (Meter illumination does not dim at night) |
|
|
Meter illumination does not dim when the taillights are turned on |
Combination meter assembly |
|
|
Other systems that use the speed signal do not operate normally |
Speed signal circuit |
|
Initialization
INITIALIZATION
MAINTENANCE REQUIRED REMINDER RESET PROCEDURE
(a) Turn the ignition switch ON.
(b) Using the steering pad switch assembly, display the setting display on the
multi-information disp ...
Terminals Of Ecu
TERMINALS OF ECU
COMBINATION METER ASSEMBLY
(a) Disconnect the combination meter assembly connectors.
(b) Measure the voltage on the wire harness side connector according to the value(s)
in the ...
Other materials:
Toyota CH-R Service Manual > Airbag System: Lost Communication with Restraints Occupant Classification System Module (U0154/99)
DESCRIPTION
The airbag sensor assembly sends/receives signals to/from each ECU via CAN communication.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
Test Mode / Check Mode
U0154/99
Lost Communication wi ...
Toyota CH-R Service Manual > Airbag System: Occupant Classification System Malfunction (B1650/32,B165A/32)
DESCRIPTION
The airbag sensor assembly and occupant detection ECU communicate via CAN communication.
When the occupant detection ECU stores DTC B1771, B1780, B1782, B1795, B1798,
B1799, U0125 or U0129, the airbag sensor assembly receives this information and
stores DTC B1650/32.
When the occu ...
Toyota C-HR (AX20) 2023-2026 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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