How To Proceed With Troubleshooting

The hand-held tester can be used in steps 3, 4, 5, 7 and 10.

VEHICLE BROUGHT TO WORKSHOP
NEXT: GO TO NEXT STEP
CUSTOMER PROBLEM ANALYSIS CHECK
NEXT: GO TO NEXT STEP
CONNECT HAND-HELD TESTER TO DLC3
HINT:

If the display indicates a communication fault in the tester, inspect the DLC3.

NEXT: GO TO NEXT STEP
CHECK DTC AND FREEZE FRAME DATA (See DTC CHECK/CLEAR )
HINT:

Record or print DTCs and freeze frame data, if necessary.

NEXT: GO TO NEXT STEP
CLEAR DTC AND FREEZE FRAME DATA (See DTC CHECK/CLEAR )
NEXT: GO TO NEXT STEP
CONDUCT VISUAL INSPECTION
NEXT: GO TO NEXT STEP
SET CHECK MODE DIAGNOSIS (See CHECK MODE PROCEDURE )
NEXT: GO TO NEXT STEP

CONFIRM PROBLEM SYMPTOMS

HINT:

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

FREEZE FRAME DATA

Result	Proceed To
Malfunction does not occur	A
Malfunction occurs	B

B: GO TO STEP j
A: GO TO NEXT STEP

SIMULATE SYMPTOMS
NEXT: GO TO NEXT STEP

CHECK DTC (See DTC CHECK/CLEAR )

MALFUNCTION CODE

Result	Proceed To
Malfunction code	A
No code	B

B: GO TO STEP l
A: GO TO NEXT STEP

REFER TO DIAGNOSTIC TROUBLE CODE CHART
NEXT: GO TO NEXT STEP

GO TO STEP n

CONDUCT BASIC INSPECTION (See BASIC INSPECTION )

DTC CHART

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

B: GO TO STEP q
A: GO TO NEXT STEP

REFER TO PROBLEM SYMPTOMS TABLE

DTC CHART

Result	Proceed To
Malfunctioning circuit confirmed	A
Malfunctioning parts confirmed	B

B: GO TO STEP q
A: GO TO NEXT STEP

CHECK ECM POWER SOURCE CIRCUIT
NEXT: GO TO NEXT STEP

CONDUCT CIRCUIT INSPECTION

CONDUCT CIRCUIT INSPECTION

Result	Proceed To
Malfunction not confirmed	A
Malfunction confirmed	B

B: GO TO STEP r
A: GO TO NEXT STEP

CHECK FOR INTERMITTENT PROBLEMS
A: GO TO NEXT STEP

GO TO STEP r
CONDUCT PARTS INSPECTION
NEXT: GO TO NEXT STEP
IDENTIFY PROBLEM
NEXT: GO TO NEXT STEP
ADJUST AND/OR REPAIR
NEXT: GO TO NEXT STEP
CONDUCT CONFIRMATION TEST
NEXT: GO TO NEXT STEP

END