How to Proceed With Troubleshooting

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

HOW TO PROCEED WITH TROUBLESHOOTING

The 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 to the ON position.
(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" information 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 System Description.
(c) Set the tire pressures to the appropriate specified values Service Precautions.
(d) Perform registration of the transmitter ID Registration.
(e) Check the terminals of ECU Pinout Values and Diagnostic Parameters.
(f) 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.
(g) Perform initialization Initialization.
(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