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.

HINT:

*: Use a Techstream.

VEHICLE BROUGHT TO WORKSHOP
CUSTOMER PROBLEM ANALYSIS
CONNECT TECHSTREAM TO DLC3*
HINT:

If the display indicates a communication fault in the tester, inspect the DLC3.
CHECK DTC AND FREEZE FRAME DATA*
HINT:

Record or print DTCs and freeze frame data, if necessary.
CLEAR DTC AND FREEZE FRAME DATA*
CONDUCT VISUAL INSPECTION
SET CHECK MODE DIAGNOSIS*

CONFIRM PROBLEM SYMPTOMS

HINT:

If the engine does not start, perform steps 10 and 12 first.

RESULT CHART

Result	Proceed To
Malfunction does not occur	A
Malfunction occurs	B

B: GO TO STEP 10

A: GO TO NEXT STEP

SIMULATE SYMPTOMS

CHECK DTC*

RESULT CHART

Result	Proceed To
Malfunction code	A
No code	B

B:GO TO STEP 12

A: GO TO NEXT STEP

REFER TO DTC CHART

CONDUCT BASIC INSPECTION

RESULT CHART

Result	Proceed To
Malfunctioning parts not confirmed	A
Malfunctioning parts confirmed	B

B: GO TO STEP 17

A: GO TO NEXT STEP

REFER TO PROBLEM SYMPTOMS TABLE

RESULT CHART

Result	Proceed To
Malfunctioning circuit confirmed	A
Malfunctioning parts confirmed	B

B:GO TO STEP 17

A: GO TO NEXT STEP

CHECK ECM POWER SOURCE CIRCUIT

CONDUCT CIRCUIT INSPECTION*

RESULT CHART

Result	Proceed To
Malfunction not confirmed	A
Malfunction confirmed	B

B: GO TO STEP 18

A: GO TO NEXT STEP

CHECK FOR INTERMITTENT PROBLEMS
CONDUCT PARTS INSPECTION
IDENTIFY PROBLEM
ADJUST AND/OR REPAIR
CONDUCT CONFIRMATION TEST*
NEXT: END