LEXUS PARKING ASSIST-SENSOR SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

DTC Code	DTC Name
	HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

Tech Tips

Use these procedures to troubleshoot the LEXUS parking assist-sensor system.
*: Use the intelligent tester.

PROCEDURE

VEHICLE BROUGHT TO WORKSHOP

Result

Proceed to
NEXT

INSPECT AUXILIARY BATTERY VOLTAGE

Standard Voltage
11 to 14 V

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

Result

Proceed to
NEXT

CHECK AND CLEAR DTC*

Refer to the DTC check / clear.

Click here

Result

Proceed to
NEXT

CHECK INITIAL CHECK FUNCTION

Refer to the operation check.

Click here

Result

Result	Proceed to
Symptom does not occur	A
Symptom occurs	B

GO TO STEP 6 Click here

SYMPTOM SIMULATION

Refer to HOW TO PROCEED WITH TROUBLESHOOTING.

Click here

Result

Proceed to
NEXT

CHECK CAN COMMUNICATION SYSTEM*

Refer to CAN communication system (for LHD).

Click here

Refer to CAN communication system (for RHD).

Click here

Tech Tips

The clearance warning ECU is connected to the CAN communication system. Therefore, be sure to check that there are no problems in the CAN communication system before performing troubleshooting.

Result

Proceed to
NEXT

DTC CHECK*

Refer to DTC Check / Clear.

Click here

Result

Result	Proceed to
DTC is output	A
DTC is not output	B

PROBLEM SYMPTOMS TABLE Click here

DTC CHART

Refer to the diagnostic trouble code chart.

Click here

Result

Proceed to
NEXT

GO TO STEP 10 Click here

PROBLEM SYMPTOMS TABLE

Refer to the problem symptoms table.

Click here

Result

Proceed to
NEXT

CIRCUIT INSPECTION

Result

Proceed to
NEXT

IDENTIFICATION OF PROBLEM

Result

Proceed to
NEXT

REPAIR OR REPLACE

Result

Proceed to
NEXT

CONFIRMATION TEST

Result

Proceed to
NEXT

END