Nissan Maxima Service and Repair Manual: P0500 VSS

Description

ECM receives vehicle speed signals from two different paths via CAN communication line: One is from the ABS actuator and electric unit (control unit) via the combination unit and the other is from TCM.

DTC Logic

DTC DETECTION LOGIC

NOTE:

•  If DTC P0500 is displayed with DTC UXXXX, first perform the trouble diagnosis for DTC UXXXX.
•  If DTC P0500 is displayed with DTC P0607, first perform the trouble diagnosis for DTC P0607.

DTC CONFIRMATION PROCEDURE

1.PRECONDITIONING

If DTC CONFIRMATION PROCEDURE has been previously conducted, always perform the following procedure before conducting the next test.

1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.

TESTING CONDITION: Before performing the following procedure, confirm that battery voltage is 10 V or more at idle.

2.PERFORM DTC CONFIRMATION PROCEDURE

1. Start engine.
2. Shift the selector lever to D range and wait at least for 2 seconds.
3. Drive the vehicle at least 5 seconds at 20 km/h (13 MPH) or more.

   CAUTION: Always drive vehicle at a safe speed.

   NOTE: This procedure may be conducted with the drive wheels lifted in the shop or by driving the vehicle. If a road test is expected to be easier, it is unnecessary to lift the vehicle.

4. Check 1st trip DTC.

Diagnosis Procedure

1.CHECK DTC WITH TCM

Check DTC with TCM.

2.CHECK DTC WITH ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

Check DTC with ABS actuator and electric unit (control unit).

3.CHECK DTC WITH COMBINATION METER

Check DTC with combination meter

4.CHECK SECONDARY SPEED SENSOR

Check secondary speed sensor

5.CHECK WHEEL SENSOR

Check wheel sensor.