How To Proceed With Troubleshooting

WARNING: This page is about a different car, the 2008 Toyota FJ Cruiser. However, it is still accessible from the selected car via links, so may be relevant.

*: Use a Techstream.

VEHICLE BROUGHT TO WORKSHOP
CUSTOMER PROBLEM ANALYSIS
DTCS AND FREEZE FRAME DATA CHECK AND CLEARANCE*

PROBLEM SYMPTOM CONFIRMATION

Result

RESULT CHART

Result	Proceed to
Symptom does not occur	A
Symptom occurs	B

B: SYMPTOM SIMULATION

A: Go to next step

CHECK CAN COMMUNICATION SYSTEM*

Check for the output DTCs relating to the CAN communication system.

HINT:

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

Result

RESULT CHART

Result	Proceed to
CAN communication system DTC not output	A
CAN communication system DTC output	B

B: CAN COMMUNICATION SYSTEM

A: Go to next step

DTC CHECK*

HINT:

See DTC CHECK/CLEAR .

Result

RESULT CHART

Result	Proceed to
DTC output	A
DTC not output	B

B: PROBLEM SYMPTOMS TABLE

A: Go to next step

DTC CHART
HINT:

See DIAGNOSTIC TROUBLE CODE CHART .
CIRCUIT INSPECTION
HINT:

When 2 or more DTCs are detected, perform circuit inspections one by one until the problem is identified.
PROBLEM IDENTIFICATION
REPAIR OR REPLACEMENT
CONFIRMATION TEST*
NEXT: END