How to Proceed With Troubleshooting

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

Techstream can be used at steps 4, 8 and 10.

1. Vehicle Brought to Workshop

NEXT -- Continue to next step.

2. Customer Problem Analysis

NEXT -- Continue to next step.

3. Check Tire Pressure Warning Light and Indicator Condition

(a) Turn the ignition switch on (IG).

(b) Record the condition of the tire pressure warning light on the combination meter assembly.

(c) Refer to the "TIRE PRESSURE WARNING LIGHT AND INDICATOR CHART" section of the DIAGNOSIS SYSTEM for checking the condition of the tire pressure warning light Diagnosis System.

NEXT -- Continue to next step.

4. DTC Check and Clear

-- DTC is output: Go to step 5

-- DTC is not output: Go to step 6

5. DTC Chart

-- Go to step 8

6. Problem Symptom Confirmation

-- Symptom does not occur: Symptom simulation

-- Symptom occurs: Go to step 7

7. Problem Symptoms Table

Next -- Continue to next step.

8. Circuit Inspection

(a) Refer to PRECAUTION Service Precautions.

(b) Refer to SYSTEM DESCRIPTION Description and Operation.

(c) Set the tire pressures to the appropriate specified values.

(d) Perform initialization Initialization.

(e) Perform test mode procedure Test Mode Procedure.

(1) Check for a DTC Reading and Clearing Diagnostic Trouble Codes.

(2) Clear the DTC.

(3) Identify the transmitter corresponding to a DTC.

(f) Perform registration of the transmitter ID Registration.

(g) Check the terminals of ECU Pinout Values and Diagnostic Parameters.

(h) Refer to DATA LIST / ACTIVE TEST Scan Tool Testing and Procedures.

NEXT -- Continue to next step.

9. Repair

NEXT -- Continue to next step.

10. Confirmation Test

(a) Check for a DTC Reading and Clearing Diagnostic Trouble Codes.

(b) Perform initialization Initialization.

(c) Confirm that the initialization has been completed.

NEXT -- End