Toyota Avalon 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

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