C1734

DTC Logic

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

DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


1. PERFORM SELF DIAGNOSTIC RESULT

With CONSULT
Perform Self Diagnostic Result.
Is DTC C1734 detected?
YES- Proceed to "Diagnosis Procedure" .
NO- Inspection End.


Diagnosis Procedure

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
Regarding Wiring Diagram information, refer to "Wiring Diagram" [1][2]Electrical Diagrams.

1. 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.

2. CHECK BCM POWER SUPPLY AND GROUND

Check BCM power supply and ground. Refer to "Diagnosis Procedure" Power Supply and Ground Circuit.
Is the inspection result normal?
YES- GO TO 3.
NO- Repair or replace harness or connectors.

3. CHECK REMOTE KEYLESS ENTRY RECEIVER POWER CIRCUIT

Check voltage between remote keyless entry receiver connector M86 terminal 1 and ground.
Revision: March 20122013 Infiniti JX





Is the inspection result normal?
YES- GO TO 4.
NO- Repair or replace harness or connectors.

4. CHECK REMOTE KEYLESS ENTRY RECEIVER SIGNAL CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect BCM connector M80 and remote keyless entry receiver connector.
3.Check continuity between BCM connector M80 terminal 119 and remote keyless entry receiver connector
M86 terminal 2.





4.Check continuity between BCM connector M80 terminal 119 and ground.





Is the inspection result normal?
YES- GO TO 5.
NO- Repair or replace harness or connectors.

5. CHECK REMOTE KEYLESS ENTRY RECEIVER GROUND CIRCUIT

Check continuity between remote keyless entry receiver connector M86 terminal 3 and ground.





Is the inspection result normal?
YES- GO TO 6.
NO- Repair or replace harness or connectors.

6. CHECK BCM INPUT/OUTPUT SIGNALS

Check BCM input/output signals. Refer to "Reference Value" Pinout Values and Diagnostic Parameters.
Is the inspection result normal?
YES- Inspection End.
NO- Replace BCM. Refer to "Removal and Installation" Service and Repair.
Revision: March 20122013 Infiniti JX