How to Proceed With Troubleshooting

TIRE PRESSURE MONITORING: TIRE PRESSURE WARNING SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

HOW TO PROCEED WITH TROUBLESHOOTING
HINT:
- Use the following 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 problem.
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.
(d) Enter the following menus: Chassis / Tire Pressure Monitor / Data List.
(e) Read the "ID Tire Inflation Pressure" values.
(f) Set all tire pressures to the specified value(s) Service Precautions.
(g) Check the Data List Scan Tool Testing and Procedures.
HINT:
- It takes about 2 or 3 minutes to display the updated tire pressure data.
- If the problem that caused the tire pressure warning light to come on was low tire pressure, wait until all of the tire pressure data is updated in the ECU.
When the data is updated, the tire pressure warning light will go off.

Result:





A -- GO TO STEP 9
B -- Continue to next step.

4. CHECK FOR DTC
(a) Check for DTCs Reading and Clearing Diagnostic Trouble Codes.
Result:





B -- GO TO STEP 6
A -- Continue to next step.

5. DTC CHART
(a) Refer to Diagnostic Trouble Code Chart Tire Pressure Warning System.
NEXT -- GO TO STEP 7
6. PROBLEM SYMPTOMS TABLE
(a) Refer to Problem Symptoms Table Symptom Related Diagnostic Procedures.
NEXT -- Continue to next step.

7. CIRCUIT INSPECTION
(a) Refer to 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 pressures have been received Scan Tool Testing and Procedures.
NEXT -- END