Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Problem Symptoms Table

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / Vehicle Interior / Meter / Gauge / Display / Meter / Gauge System(for Hv Model) / 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.
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
Hybrid system indicator malfunction	Hybrid system indicator circuit
Fuel receiver gauge display malfunction	Fuel receiver gauge display circuit
Engine coolant temperature receiver gauge malfunction	Engine coolant temperature receiver gauge circuit

Warning or Indicator

Symptom	Suspected Area	Link
Fuel level warning light malfunction (Fuel receiver gauge is normal)	Combination meter assembly
Malfunction other than above	Combination meter assembly

Multi-information Display

Symptom	Suspected Area	Link
Multi-information display is not displayed	Combination meter assembly
Digital tachometer malfunction	Tachometer circuit
Engine Oil Level Low Add or Replace display malfunction	Engine oil level sensor circuit
Proximity Notification System Malfunction Visit Your Dealer display malfunction	Vehicle proximity notification system warning display circuit
Close Fuel Lid display malfunction	Fuel lid opener system operation display circuit
Ready to Refuel display malfunction	Fuel lid opener system operation display circuit
Please Wait Fuel Door Opening display malfunction	Fuel lid opener system operation display circuit
Malfunction other than above	Combination meter assembly

Buzzer

Symptom	Suspected Area	Link
Buzzer malfunction	Combination meter assembly

Others

Symptom	Suspected Area	Link
Entire combination meter does not operate	Power source circuit
Operating ODO/TRIP switch (trip switch) does not change odometer/TRIP meter display	ODO/TRIP switch circuit
Operating steering pad switch does not change multi-information display	Steering pad switch circuit
Operating light control rheostat does not change light brightness	Light control rheostat switch circuit
Meter illumination malfunction	Combination meter assembly
Other systems that use the speed signal do not operate normally	Speed signal circuit

Precaution

Speed Signal Circuit

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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Problem Symptoms Table

Precaution

Speed Signal Circuit

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Toyota Avalon (XX50) 2019-2022 Owners Manual

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual