Diagnosis Procedure
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 sensor IDs
- Display tire pressure reported by the TPMS sensor
- Read TPMS DTCs
- Register TPMS sensor IDs
Regarding Wiring Diagram information, refer to WIRING DIAGRAM .
- CHECK BCM HARNESS CONNECTORS
Check BCM harness connectors for damage or loose connections.
Is the inspection result normal?
YES
Repair or replace connectors.
NO
GO TO 2.
- CHECK BCM POWER SUPPLY AND GROUND
Check BCM power supply and ground. Refer to DIAGNOSIS PROCEDURE (with Intelligent Key system) or DIAGNOSIS PROCEDURE (without Intelligent Key system).
Is the inspection result normal?
YES
GO TO STEP 3.
NO
Repair or replace harness or connectors.
- CHECK BCM INPUT/OUTPUT SIGNALS
Check BCM input/output signals. Refer to REFERENCE VALUE (with Intelligent Key system) or REFERENCE VALUE (without Intelligent Key system).
Is the inspection result normal?
YES
Inspection End.
NO
Replace BCM. Refer to REMOVAL AND INSTALLATION (with Intelligent Key system) or REMOVAL AND INSTALLATION (without Intelligent Key system).