How To Proceed With Troubleshooting

VEHICLE BROUGHT TO WORK SHOP
CUSTOMER PROBLEM ANALYSIS (See CUSTOMER PROBLEM ANALYSIS CHECK )
CHECK AND CLEAR DTC (See PRE-CHECK )
1. DTC IS NOT OUTPUT (PROCEED TO "BODY MULTIPLEX COMMUNICATION SYSTEM")
2. DTC IS OUTPUTS (GO TO STEP 4)
PROBLEM SYMPTOM CONFIRMATION
1. SYMPTOM DOES NOT OCCUR (GO TO STEP 5)
2. SYMPTOM OCCURS (GO TO STEP 6 )
SYMPTOM SIMULATION (See HOW TO PROCEED WITH TROUBLESHOOTING )
DTC CHECK (See PRE-CHECK )
1. MALFUNCTION CODE (GO TO STEP 7)
2. NORMAL CODE (GO TO STEP 8 )
DTC CHART (See DIAGNOSTIC TROUBLE CODE CHART )
1. GO TO STEP 9 .
PROBLEM SYMPTOMS TABLE (See PROBLEM SYMPTOMS TABLE )
CIRCUIT INSPECTION (See DTC P0500/21 VEHICLE SPEED SENSOR "A", DTC P0503/23 VEHICLE SPEED SENSOR "A" INTERMITTENT/ERRATIC/HIGH - DIAGNOSIS CIRCUIT )
IDENTIFICATION OF PROBLEM
REPAIR OR REPLACE
CONFIRMATION TEST
END