P0500

P0500 VSS

Description

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.
Refer to [P0607 ECM] P0607

The vehicle speed signal is sent to the combination meter from the "ABS actuator and electric unit (control unit)" by CAN communication line. The combination meter then sends a signal to the ECM by CAN communication line.

On Board Diagnosis Logic





Fail-Safe Mode

When the malfunction is detected, ECM enters fail-safe mode.






DTC Confirmation Procedure

CAUTION:

Always drive vehicle at a safe speed.

NOTE:

If DTC Confirmation Procedure has been previously conducted, always perform the following before conducting the next step.

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:

Steps 1 and 2 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.

with SDT

1 Start engine (VDC switch OFF).
2 Read "VHCL SPEED SE" in "Data list" mode with SDT. The vehicle speed on SDT should exceed 10 km/h (6 MPH) when rotating wheels with suitable gear position.
If NG, go to "Diagnosis Procedure".
If OK, go to following step.
3 Select "Data list" mode with SDT.
4 Warm engine up to normal operating temperature.
5 Maintain the following conditions for at least 60 consecutive seconds.






6 Check 1st trip DTC.
7 If 1st trip DTC is detected, go to "Diagnosis Procedure".

Overall Function Check

Use this procedure to check the overall function of the vehicle speed sensor circuit. During this check, a 1st trip DTC might not be confirmed.

with GST

1 Lift up drive wheels.
2 Start engine.
3 Read vehicle speed sensor signal in Service $01 with GST.
The vehicle speed sensor on GST should be able to exceed 10 km/h (6 MPH) when rotating wheels with suitable gear position.
4 If NG, go to "Diagnosis Procedure".

Diagnosis Procedure

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

Refer to [Diagnosis and Repair Workflow] Diagnosis and Repair Workflow (TYPE 1) or [Diagnosis and Repair Workflow] Diagnosis and Repair Workflow (TYPE 2).

OK or NG
OK
GO TO 2.
NG
Repair or replace.

2. CHECK COMBINATION METER FUNCTION

Refer to [Service Information for Electrical Incident: Intermittent Incident] Service Information for Electrical Incident: Intermittent Incident.


INSPECTION END