Toyota Yaris: Meter / Gauge System / Problem Symptoms Table

Toyota Yaris XP210 (2020-2024) Reapir and Service Manual / Vehicle Interior / Meter / Gauge / Display / Meter / Gauge System / 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.
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.

Meter or Gauge

Symptom	Suspected Area	Link
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 Light

Symptom	Suspected Area	Link
Indicator light malfunction	Combination meter assembly
Warning light malfunction	Combination meter assembly

Multi-information Display

Symptom	Suspected Area	Link
Multi-information display is not displayed	Combination meter assembly
Other display malfunction	Combination meter assembly

Buzzer

Symptom	Suspected Area	Link
Malfunction other than above	Combination meter assembly

Others

Symptom	Suspected Area	Link
Entire combination meter does not operate	Power source circuit
Operating steering pad switch does not change multi-information display	Steering pad switch circuit
Meter illumination is always dark	Refer to "Meter Illumination is Always Dark"
Meter illumination does not dim at night	Refer to "Meter Illumination does not Dim at Night"
Customization cannot be performed by setting customize settings on the setting tab of the multi-information display	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) Perform initialization using the multi-information display. (1) Turn the ignition switch ON...

Terminals Of Ecu

TERMINALS OF ECU COMBINATION METER ASSEMBLY (a) Measure the voltage and resistance and check for pulses according to the value(s) in the table below...

Other information:

Toyota Yaris XP210 (2020-2024) Reapir and Service Manual: Steering Pad Switch Circuit

DESCRIPTION The forward recognition camera receives LTA main switch signals from the steering pad switch assembly. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: When replacing the forward recognition camera, always replace it with a new one. If a forward recognition camera which was installed to another vehicle is used, the information stored in the forward recognition camera will not match the information from the vehicle and a DTC may be stored...

Toyota Yaris XP210 (2020-2024) Reapir and Service Manual: Brake Switch "A"/"B" Signal Cross Coupled (P05042B)

DESCRIPTION The stop light switch assembly is a duplex system that transmits two signals: STP and ST1-. These two signals are used by the ECM to monitor whether or not the brake system is working properly. If the signals, which indicate the brake pedal is being depressed and released, are detected simultaneously, the ECM interprets this as a malfunction in the stop light switch assembly and stores this DTC...