Inspection 4: Vehicle Speed Signal MALFUNCTION CODE NO. 52

WARNING: This page is about a different car, the 2005 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.

SELF-DIAGNOSTIC RESULT CHECK
1. With the ignition switch OFF, connect CONSULT-II and CONSULT-II CONVERTER to the data link connector, then turn the ignition switch ON.
2. Select "START (NISSAN BASED VHCL)".
3. Select "BCM" on "SELECT SYSTEM" screen.
  NOTE: If the BCM is not indicated, Refer to "CAN COMMUNICATION ".
4. Select "BCM C/U" on "SELECT WORK ITEM" screen, and select "SELF-DIAG RESULTS".
5. Check display contents in self-diagnostic results.
Is "CAN COMM CIRCUIT" displayed in the self-diagnosis display items?
1. YES: Malfunction in CAN communication system. GO TO "CAN COMMUNICATION ".
2. NO: GO TO 2.
CHECK BCM
Perform BCM diagnosis. Refer to "CONSULT-II INSPECTION PROCEDURE ".

Inspection results OK?
1. OK: Perform Vehicle Speed Sensor Inspection. Refer to "DTC P1574: ASCD VEHICLE SPEED SENSOR ".
2. NG: Replace BCM. Refer to "REMOVAL AND INSTALLATION OF BCM ".