Initial Inspection and Diagnostic Overview

DIAGNOSIS AND REPAIR WORK FLOW

Work Flow

NOTE:
The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II
User Guide for additional information.
- Activate and display TPMS transmitter IDs
- Display tire pressure reported by the TPMS transmitter
- Read TPMS DTCs
- Register TPMS transmitter IDs

1. COLLECT INFORMATION FROM CUSTOMER

Get detailed information from the customer about the symptom (the condition and the environment when the incident/malfunction occurred).
- GO TO 2.

2. TIRE PRESSURE INSPECTION

Check the tire pressure for all wheels. Refer to "Tire" Specifications.
Is the inspection result normal?
YES- GO TO 3.
NO- Repair or replace tire(s) or wheel(s).

3. CHECK LOW TIRE PRESSURE WARNING LAMP

Check that the low tire pressure warning lamp illuminates for approximately 1 second after the ignition switch is turned ON, then turns OFF.
Does the low tire pressure warning lamp turn OFF?
YES- Inspection End.
NO- GO TO 4.

4. PERFORM SELF DIAGNOSTIC RESULT

Perform self diagnostic result. Refer to "AIR PRESSURE MONITOR : CONSULT Function (BCM-AIR PRESSURE MONITOR)" Air Pressure Monitor.
Are any DTCs displayed?
YES- Refer to "DTC Index" Testing and Inspection. If two or more DTCs are displayed, refer to "DTC Inspection Priority Chart" Body Control System.
NO- GO TO 5.

5. PERFORM DIAGNOSIS APPLICABLE TO THE SYMPTOM

Perform diagnosis applicable to the symptom. Refer to "Symptom Table" TPMS.
- GO TO 6.

6. FINAL CHECK

Perform self diagnostic result again, and check that the malfunction is repaired. After checking, erase the self diagnosis memory. Refer to "AIR PRESSURE MONITOR : CONSULT Function (BCM-AIR PRESSURE MONITOR)" Air Pressure Monitor.
- Inspection End.