How To Proceed With Troubleshooting

HINT:

Use these procedures to troubleshoot the intuitive parking assist system.
*: Use the intelligent tester.

VEHICLE BROUGHT TO WORKSHOP
CUSTOMER PROBLEM ANALYSIS
Refer to HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS .
CHECK AND CLEAR DTC*
Refer to the DTC CHECK / CLEAR .

CHECK INITIAL CHECK FUNCTION

Refer to OPERATION CHECK .

Result

RESULT CHART

Result	Proceed to
Symptom does not occur	A
Symptom occurs	B

B: Go to step 6

A: Go to next step

SYMPTOM SIMULATION
Refer to HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS .
CHECK MULTIPLEX COMMUNICATION SYSTEM*
Refer to HOW TO PROCEED WITH TROUBLESHOOTING .

HINT:

This ECU is connected to the multiplex communication system. Therefore, be sure to check that there are no problems in the multiplex communication system before performing troubleshooting.
CHECK CAN COMMUNICATION SYSTEM*
Refer to the HOW TO PROCEED WITH TROUBLESHOOTING .

HINT:

This 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.

DTC CHECK*

Refer to the DTC CHECK / CLEAR .

Result

RESULT CHART

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

B: DTC is not output (Go to step 10 )

A: Go to next step

DTC CHART
Refer to the DIAGNOSTIC TROUBLE CODE CHART .

NEXT: Go to step 11
PROBLEM SYMPTOMS TABLE
Refer to the PROBLEM SYMPTOMS TABLE .
CIRCUIT INSPECTION
IDENTIFICATION OF PROBLEM
REPAIR OR REPLACE
CONFIRMATION TEST
NEXT: END