Nissan Maxima Service and Repair Manual: C1734 control unit

Description

An internal malfunction has been detected in the TPMS function of the BCM.

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.CHECK SELF-DIAGNOSTIC RESULTS

1. On "SELECT DIAG MODE", select the "SELF-DIAG RESULT" screen.
2. Check display contents on "SELF DIAG RESULT" screen.

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

MALFUNCTION CODE NO. 53 (DTC C1734)

1.SELF-DIAGNOSTIC RESULTS

1. On "SELECT DIAG" mode, select the "SELF-DIAG RESULT" screen for BCM.
2. Check display contents on "SELF-DIAG RESULT".

2.CHECK BCM HARNESS CONNECTORS

Check BCM harness connectors for damage or loose connections

3.BCM POWER SUPPLY AND GROUND

Check BCM power supply and groun

4.CHECK HARNESS BETWEEN BCM AND TIRE PRESSURE RECEIVER

1. Turn ignition switch OFF.
2. Disconnect BCM harness connector and tire pressure receiver harness connector.
3. Check continuity between BCM harness connector M18 (A) and tire pressure receiver harness connector M70 (B).

5.BCM INPUT/OUTPUT SIGNALS

Check BCM input/output signals.

Special Repair Requirement

Perform preliminary ch