Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

*: Use the Techstream.

PROCEDURE

1.

VEHICLE BROUGHT TO WORKSHOP

NEXT

2.

INSPECT BATTERY VOLTAGE

Standard Voltage:

11 to 14 V

If the voltage is below 11 V, recharge or replace the battery before proceeding.

NEXT

3.

CHECK CAN COMMUNICATION SYSTEM*

(a) Use the Techstream to check if the CAN communication system is functioning normally.

Click here

Result

Proceed to

CAN DTCs are not output.

A

CAN DTCs are output.

B

B

GO TO CAN COMMUNICATION SYSTEM

A

4.

CHECK FOR DTCs*

(a) Check for DTCs.

Body Electrical > Tilt&Telescopic > Trouble Codes

Result

Proceed to

DTCs are not output.

A

DTCs are output.

B

B

GO TO DIAGNOSTIC TROUBLE CODE CHART

A

5.

PROBLEM SYMPTOMS TABLE

(a) Refer to Problem Symptoms Table.

Click here

Result

Proceed to

Problem symptom does not occur.

A

Problem symptom occurs.

B

B

GO TO STEP 7

A

6.

OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Terminals of ECU.

Click here

(b) Data List / Active Test.

Click here

NEXT

7.

REPAIR

NEXT

8.

CONFIRMATION TEST

NEXT

END

    Freeze Frame Data

    IG Power Source Circuit

    See More:

    Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Smart Key System(for Start Function, Hv Model): Detecting Vehicle Submersion (B2277)
    DESCRIPTION This DTC is stored when a malfunction in the water submersion detection circuit inside the certification ECU (smart key ECU assembly) is detected. DTC No. Detection Item DTC Detection Condition Trouble Area Note B2277 Detecting Vehicle Submersion Water submersion detected by the water su ...

    Toyota Avalon (XX50) 2019-2022 Owners Manual

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

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