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 Air Pressure" [1][2]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)" With Intelligent Key System or "AIR PRESSURE MONITOR : CONSULT Function (BCM AIR PRESSURE MONITOR)" Without Intelligent Key System.
Are any DTCs displayed?
YES- Refer to "DTC Index" Testing and Inspection or "DTC Index" Testing and Inspection. If two or more DTCs are displayed, refer to "DTC Inspection Priority Chart" BCM or "DTC Inspection Priority Chart" BCM.
NO- GO TO 5.

5. PERFORM DIAGNOSIS APPLICABLE TO THE SYMPTOM

Perform diagnosis applicable to the symptom. Refer to "Symptom Table" TPMS Symptoms.
- 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)" With Intelligent Key System or {LINK_TO:0000000008925436}, "AIR PRESSURE MONITOR : CONSULT Function (BCM - AIR PRESSURE
MONITOR)".
- Inspection End.