DTC 52

Inspection 4: Vehicle Speed Signal

MALFUNCTION CODE NO. 52
1. 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?
YES >> Malfunction in CAN communication system. GO TO LAN-5, "CAN COMMUNICATION" CAN Communication
NO >> GO TO 2.

2. CHECK BCM
Perform BCM diagnosis.

Inspection results OK?
OK >> Perform Vehicle Speed Sensor Inspection. Refer to EC-73." Diagnostic Procedure" Idle Speed/Ignition Timing/Idle Mixture Ratio Adjustment
NO >> Replace BCM.