How To Proceed With Troubleshooting

The hand-held tester can be used at steps 4, 5, 6, 7, and 12.

VEHICLE BROUGHT TO WORK SHOP
1. NEXT: Go to next step.
CUSTOMER PROBLEM ANALYSIS (SEE CUSTOMER PROBLEM ANALYSIS CHECK )
1. NEXT: Go to next step.
PROBLEM SYMPTOM CONFIRMATION
1. NEXT: Go to next step.
CHECK BODY MULTIPLEX COMMUNICATION SYSTEM (SEE HOW TO PROCEED WITH TROUBLESHOOTING )
1. Check for output DTCs.
  HINT:
  
  The ECM of this system is connected to the multiplex communication system. Before starting troubleshooting, check that there is no trouble in the multiplex communication system.
1. MULTIPLEX SYSTEM DTC IS OUTPUT (PROCEED TO "BODY MULTIPLEX COMMUNICATION SYSTEM")
2. NO MULTIPLEX SYSTEM DTC (GO TO STEP 5)
CHECK CAN COMMUNICATION SYSTEM (SEE HOW TO PROCEED WITH TROUBLESHOOTING )
1. Check for output DTCs.
  HINT:
  
  The ECM of this system is connected to the CAN communication system. Before starting troubleshooting, check that there is no trouble in the CAN communication system.
  1. CAN SYSTEM DTC IS OUTPUT (PROCEED TO "CAN COMMUNICATION SYSTEM")
  2. NO CAN SYSTEM DTC (GO TO STEP 6)
DTC CHECK AND CLEAR (SEE DTC CHECK/CLEAR )
1. NEXT: Go to next step.
DTC CHECK (OTHER THAN MULTIPLEX AND CAN SYSTEM DTC) (SEE DTC CHECK/CLEAR )
1. TROUBLE CODE (GO TO STEP 8)
2. NORMAL SYSTEM CODE (GO TO STEP 9 )
DTC CHART (SEE DIAGNOSTIC TROUBLE CODE CHART )
1. NEXT: GO TO STEP 12
PROBLEM SYMPTOM SIMULATION
1. SYMPTOM DOES NOT OCCUR (GO TO STEP 10)
2. SYMPTOM OCCURS (GO TO STEP 11 )
SYMPTOM SIMULATION (SEE ELECTRONIC CIRCUIT INSPECTION PROCEDURE )
1. NEXT: Go to next step.
PROBLEM SYMPTOMS TABLE (SEE PROBLEM SYMPTOMS TABLE )
1. NEXT: Go to next step.
CIRCUIT INSPECTION (SEE DTC P0500, P0503: VEHICLE SPEED SENSOR CIRCUIT MALFUNCTION )
1. NEXT: Go to next step.
TERMINAL OF ECM (SEE TERMINALS OF ECM )
1. NEXT: Go to next step.
IDENTIFICATION OF PROBLEM
1. NEXT: Go to next step.
REPAIR OR REPLACE
1. NEXT: Go to next step.
CONFIRMATION TEST
1. NEXT: END