How To Proceed With Troubleshooting

*: Use the intelligent tester.

VEHICLE BROUGHT TO WORKSHOP

l^nextj

CUSTOMER PROBLEM ANALYSIS

ljnextj

CONNECT INTELLIGENT TESTER TO DLC3*

ljnextj

HINT:

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

CHECK DTC AND FREEZE FRAME DATA*

ljnextj

HINT:

Record or print DTCs (See page ES-40) and freeze frame data (See page ES-41), if necessary.

CLEAR DTC AND FREEZE FRAME DATA*

ljnextj

HINT:

Refer to DTC Check / Clear (See page ES-40).

CONDUCT VISUAL INSPECTION

LJNEXTJ

SET CHECK MODE DIAGNOSIS*

ljnextj

HINT:

Refer to Check Mode Procedure (See page ES-43).

CONFIRM PROBLEM SYMPTOMS

HINT:

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

Result

Proceed To

Malfunction does not occur

A

Malfunction occurs

SIMULATE SYMPTOMS

L^NEXT^J

CHECK DTC*

HINT:

Refer to DTC Check / Clear (See page ES-40).

Result

Proceed To

Malfunction code

A

No code

GO TO STEP 12

REFER TO DTC CHART

l^nextj

HINT:

Refer to Diagnostic Trouble Code Chart (See page ES-54).

GO TO STEP 14

CONDUCT BASIC INSPECTION

HINT:

Refer to Basic Inspection (See page ES-14).

Result

Proceed To

Malfunctioning parts not confirmed

A

Malfunctioning parts confirmed

REFER TO PROBLEM SYMPTOMS TABLE

HINT:

Refer to Problem Symptoms Table (See page ES-29).

Result

Proceed To

Malfunctioning circuit confirmed

A

Malfunctioning parts confirmed

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

Don't pay hundreds of dollars to find out what is wrong with your car. This book is dedicated to helping the do it yourself home and independent technician understand and use OBD-II technology to diagnose and repair their own vehicles.

Get My Free Ebook


Post a comment