How To Proceed With Troubleshooting
HINT:
The intelligent tester can be used in steps 2, 3, 4, 6 and 9.
- VEHICLE BROUGHT TO WORKSHOP
- CONNECT INTELLIGENT TESTER to DLC3
HINT:
If the display indicates a communication fault in the tester, inspect the DLC3.
- CHECK DTC AND FREEZE FRAME DATA
- Check for DTC(s) and freeze frame data (See
FREEZE FRAME DATA ).
HINT:
Record or print the DTCs and freeze frame data, if necessary.
- Check for DTC(s) and freeze frame data (See
FREEZE FRAME DATA ).
- CLEAR DTC AND FREEZE FRAME DATA
- Clear the DTC(s) and freeze frame data (See FREEZE FRAME DATA ).
- CONDUCT VISUAL INSPECTION
- SET CHECK MODE DIAGNOSIS
- Set the check mode (See CHECK MODE PROCEDURE ).
- CONFIRM PROBLEM SYMPTOMS
HINT:
If the engine does not start, perform steps 9 and 11 first.
Result
RESULT CHARTResult Proceed to Malfunction does not occur A Malfunction occurs B B: Go to step 9
A: Go to Next Step
- SIMULATE SYMPTOMS
- CHECK FOR DTCS
- Check for DTCs (See DTC CHECK / CLEAR ).
Result
RESULT CHARTResult Proceed to Trouble code A No code B B: Go to step 11
A: Go to Next Step
- REFER TO DTC CHART
HINT:
Refer to the DTC chart (See DIAGNOSTIC TROUBLE CODE CHART ).
NEXT: GO TO STEP 13
- CONDUCT BASIC INSPECTION
HINT:
Refer to "BASIC INSPECTION ".
Result
RESULT CHARTResult Proceed to Malfunctioning parts not confirmed A Malfunctioning parts confirmed B B: Go to step 16
A: Go to Next Step
- REFER TO PROBLEM SYMPTOMS TABLE
HINT:
Refer to "PROBLEM SYMPTOMS TABLE " .
Result
RESULT CHARTResult Proceed to Malfunctioning circuit confirmed A Malfunctioning parts confirmed B B: Go to step 16
A: Go to Next Step
- CHECK ECM POWER SOURCE CIRCUIT
HINT:
Refer to "ECM POWER SOURCE CIRCUIT " .
- CONDUCT CIRCUIT INSPECTION
Result
RESULT CHARTResult Proceed to Malfunction not confirmed A Malfunction confirmed B B: Go to step 17
A: Go to Next Step
- CHECK FOR INTERMITTENT PROBLEMS
HINT:
Refer to "CHECK FOR INTERMITTENT PROBLEMS " .
NEXT: Go to step 17
- CONDUCT PARTS INSPECTION
- IDENTIFY PROBLEM
- ADJUST AND/OR REPAIR
- CONDUCT CONFIRMATION TEST
NEXT: END