How To Proceed With Troubleshooting

HINT:

VEHICLE BROUGHT TO WORKSHOP
NEXT: Go to next step
CUSTOMER PROBLEM ANALYSIS
Refer to how to proceed with troubleshooting. Refer to HOW TO PROCEED WITH TROUBLESHOOTING .

NEXT: Go to next step
CHECK AND CLEAR DTC*
Refer to the DTC check/clear. Refer to DTC CHECK / CLEAR .

NEXT: Go to next step

CHECK INITIAL CHECK FUNCTION

Refer to operation check. Refer to OPERATION CHECK .

Result

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 proceed with troubleshooting. Refer to HOW TO PROCEED WITH TROUBLESHOOTING .

NEXT: Go to next step
CHECK MULTIPLEX COMMUNICATION SYSTEM*
Refer to how to proceed with troubleshooting. 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.

NEXT: Go to next step
CHECK CAN COMMUNICATION SYSTEM*
Refer to how to proceed with troubleshooting. Refer to 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.

NEXT: Go to next step

DTC CHECK*

^* : Refer to the DTC check/clear. Refer to DTC CHECK / CLEAR .

Result

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

B → Go to step 10

A: Go to next step

DTC CHART
Refer to the diagnostic trouble code chart. Refer to DIAGNOSTIC TROUBLE CODE CHART .

NEXT → Go to step 11
PROBLEM SYMPTOMS TABLE
Refer to the problem symptoms table. Refer to PROBLEM SYMPTOMS TABLE .

NEXT: Go to next step
CIRCUIT INSPECTION
NEXT: Go to next step
IDENTIFICATION OF PROBLEM
NEXT: Go to next step
REPAIR OR REPLACE
NEXT: Go to next step
CONFIRMATION TEST
NEXT → END