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Home >> Lexus >> 2007 >> ES 350 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTC P0171 - P0604 >> DTC P0500: Vehicle Speed Sensor "A" >> Description
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DTC P0500: Vehicle Speed Sensor "A": Description

The speed sensor detects the wheel speed and sends the appropriate signals to the skid control ECU. The skid control ECU converts these wheel speed signals into a 4-pulse signal and outputs it to the ECM via the combination meter. The ECM determines the vehicle speed based on the frequency of these pulse signals.

Fig 1: Identifying Speed Sensor Pulse Pattern
G04973630Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
DTC DESCRIPTION TABLE

DTC No. DTC Detection Condition Trouble Area
P0500 Vehicle speed signal from vehicle speed sensor is cut for 0.14 sec. or more while cruise control is in operation
  • Vehicle speed sensor
  • Vehicle speed sensor signal circuit
  • Combination meter
  • ECM
  • Skid control ECU