CRUISE CONTROL SYSTEM, Diagnostic DTC:P0500, P0503

DTC Code DTC Name
P0500 Vehicle Speed Sensor Malfunction
P0503 Vehicle Speed Sensor Circuit Malfunction

DESCRIPTION

The cruise control system uses the same vehicle speed signal that is sent to the ECM for the SFI system. If DTC P0500 is detected, perform the diagnosis using the inspection procedure for DTC P0500 in the SFI system (for 2GR-FE) Click here. The speed signal is converted for use by the cruise control inside the ECM.

Both the SFI system and the cruise control system can set DTC P0500, however the detection conditions of the two systems are different.

DTC No. DTC Detection Condition Trouble Area
P0500 The vehicle speed signal from the vehicle speed sensor is cut for 0.14 sec. or more while the cruise control is in operation.
  • Combination meter assembly

  • Vehicle speed sensor

  • Vehicle speed sensor circuit

  • ECM

P0503 Momentary interruption and noise malfunction codes are detected when a rapid change of vehicle speed occurs while the cruise control is in operation.

WIRING DIAGRAM

Refer to the SFI system (for 2GR-FE) Click here.

INSPECTION PROCEDURE

Refer to the SFI system (for 2GR-FE) Click here.