Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Hybrid System Indicator Malfunction

DESCRIPTION

A hybrid system indicator has been included on this vehicle. In this circuit, the combination meter assembly receives the hybrid system indicator signal from the hybrid vehicle control ECU via CAN communication. The combination meter assembly controls the operation of the hybrid system indicator according to the hybrid system indicator signal received from the hybrid vehicle control ECU via CAN communication.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

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.
• Before replacing the hybrid vehicle control ECU, refer to Registration.

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PROCEDURE

(a) Check if CAN communication DTCs are output.

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B

GO TO CAN COMMUNICATION SYSTEM

A

(a) Check if hybrid control system DTCs are output.

Click here

B

GO TO HYBRID CONTROL SYSTEM

A

(a) Connect the Techstream to the DLC3.

(b) Turn the power switch on (IG).

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Combination Meter / Data List.

(e) Read the Data List according to the display on the Techstream.

OK:

Hybrid system indicator value displayed on the Techstream is almost the same as the hybrid system indicator indication.

OK

REPLACE HYBRID VEHICLE CONTROL ECU

NG

REPLACE COMBINATION METER ASSEMBLY