How to Proceed With Troubleshooting

TIRE AND WHEEL: TIRE PRESSURE WARNING SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

HOW TO PROCEED WITH TROUBLESHOOTING
HINT:
- Use these procedures to troubleshoot the tire pressure warning system.
- *: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP
NEXT -- Continue to next step.
2. CUSTOMER PROBLEM ANALYSIS
(a) Interview the customer to confirm the trouble.
HINT: It is important to collect as much specific information as possible from the customer to allow for a quick repair.

NEXT -- Continue to next step.
3. ADJUST TIRE PRESSURE*
(a) Turn the ignition switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the ignition switch to ON and the Techstream on.
(d) Enter the following menus: Chassis / Tire Pressure Monitor / Data List.
(e) Read the "ID Tire Inflation Pressure" values.
(f) Adjust all tire pressures to the standard values Service Precautions.
(g) Check the Data List Scan Tool Testing and Procedures.
HINT:
- It may take up about 5 to 6 minutes to display the updated tire pressure data.
- If the problem is that the tire pressure decreases, wait until all of the tire pressure data is received by the ECU. If the data is received, the tire pressure warning light will turn off.

Result





B -- Go to step 9
A -- Continue to next step.
4. CHECK FOR DTC*
(a) Check for DTC Reading and Clearing Diagnostic Trouble Codes.

Result





B -- Go to step 6
A -- Continue to next step.
5. DTC CHART
(a) Refer to the Diagnostic Trouble Code Chart Tire Pressure Warning System.
NEXT -- Go to step 8
6. PROBLEM SYMPTOMS TABLE
(a) Refer to the Problem Symptoms Table Symptom Related Diagnostic Procedures.
NEXT -- Continue to next step.
7. CIRCUIT INSPECTION*
(a) Refer to the Electronic Circuit Inspection Procedure Electronic Circuit Inspection Procedure.
NEXT -- Continue to next step.
8. REPAIR OR REPLACE
(a) Repair or replace parts based on the diagnosis result.
NEXT -- Continue to next step.
9. CONFIRMATION TEST*
(a) Check the Data List to confirm that the tire inflation pressure data has been received Scan Tool Testing and Procedures.
(b) Perform initialization Initialization.
(c) Confirm that the initialization has been completed.
NEXT -- END