Last Modified: 11-29-2007 1.6 C
Service Category: Engine/Hybrid System Section: Cruise Control
Model Year: 2008 Model: Sequoia Doc ID: RM000001XNY006X
Title: CRUISE CONTROL: CRUISE CONTROL SYSTEM: DESCRIPTION (2008 Sequoia)

DTC

P0500

Vehicle Speed Sensor Malfunction

DTC

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. 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 seconds. 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

INSPECTION PROCEDURE