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.
Meter or Gauge

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

Warning or Indicator

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

Multi-information Display

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
Buzzer

Symptom

Suspected Area

Link

Oil pressure warning buzzer malfunction

Engine oil pressure switch circuit

Other buzzers malfunction

Combination meter assembly

Others

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 ...

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