How To Proceed With Troubleshooting

Techstream can be used at step 3, 4, 6, 10, 13, and 16.

VEHICLE BROUGHT TO WORKSHOP
CUSTOMER PROBLEM ANALYSIS
CHECK DTC AND FREEZE FRAME DATA
CLEAR DTC AND FREEZE FRAME DATA
PROBLEM SYMPTOM CONFIRMATION

CHECK CAN COMMUNICATION SYSTEM

Check for output DTCs.

HINT:

The ECU of this system is connected to the CAN communication system. Therefore, before starting troubleshooting, make sure to check that there is no trouble in the CAN communication system.

Result

RESULT CHART

Condition	Proceed to
CAN communication system DTC is not output	A
CAN communication system DTC is output	B

B: INSPECT CAN COMMUNICATION SYSTEM

A: Go to next step

DTC CHECK AND CLEAR

PROBLEM SYMPTOM SIMULATION

Result

RESULT CHART

Condition	Proceed to
Symptom does not occur	A
Symptom occurs	B

B: GO TO STEP 10

A: Go to next step

SYMPTOM SIMULATION

DTC CHECK (OTHER THAN CAN SYSTEM DTC)

Result

RESULT CHART

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

B: GO TO STEP 12

A: Go to next step

PROBLEM SYMPTOMS TABLE
NEXT: GO TO STEP 13
DTC CHART
CIRCUIT INSPECTION
IDENTIFICATION OF PROBLEM
REPAIR OR REPLACE
CONFIRMATION TEST
NEXT: END