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

CAUTION / NOTICE / HINT

HINT:

  • Use these procedures to troubleshoot the front camera system.
  • *: Use the Techstream.

PROCEDURE

1.

VEHICLE BROUGHT TO WORKSHOP

NEXT

2.

INSPECT AUXILIARY BATTERY VOLTAGE

(a) Measure the auxiliary battery voltage with the power switch off.

Standard Voltage:

11 to 14 V

If the voltage is below 11 V, replace or recharge the auxiliary battery before proceeding to the next step.

NEXT

3.

CHECK CAN COMMUNICATION SYSTEM*

(a) Using the Techstream, check if the CAN communication system is functioning normally.

HINT:

Refer to CAN Bus Check in CAN Communication System.

Click here

OK:

CAN communication system is functioning normally.

NG

GO TO CAN COMMUNICATION SYSTEM

OK

4.

CHECK FOR DTCs*

HINT:

Refer to DTC Check / Clear.

Click here

(a) Check for DTCs and note any codes that are output.

Chassis > Front Recognition Camera > Trouble Codes

(b) Clear the DTCs.

Chassis > Front Recognition Camera > Clear DTCs

(c) Recheck for DTCs. Try to reproduce the DTCs by duplicating the conditions indicated by the DTCs.

Chassis > Front Recognition Camera > Trouble Codes

Result

Proceed to

DTCs are not output

A

DTCs are output

B

B

GO TO DTC CHART

A

5.

PROBLEM SYMPTOMS TABLE

HINT:

Refer to Problem Symptoms Table.

Click here

Result

Proceed to

Fault is not listed in Problem Symptoms Table

A

Fault is listed in Problem Symptoms Table

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.

ADJUST, REPAIR OR REPLACE

NOTICE:

If the forward recognition camera has been replaced with a new one, it is necessary to perform forward recognition camera adjustment.

Click here

NEXT

8.

CONFIRMATION TEST

NEXT

END

    Freeze Frame Data

    Parts Location

    See More:

    Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Cooling Fan System: On-vehicle Inspection
    ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT COOLING FAN SYSTEM CAUTION: To prevent injury due to contact with an operating cooling fan, keep your hands and clothing away from the cooling fan when inspecting the cooling fan system. (a) Connect the Techstream to the DLC3. (b) Turn the power switch on ( ...

    Toyota Avalon (XX50) 2019-2022 Owners Manual

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

    © 2024 Copyright www.tavalon.net
    0.0137