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Home >> Lexus >> 2008 >> IS F >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - SFI System Diagnostics (2 Of 4) >> 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: Vehicle Speed Sensor Blinking Pattern
G05751619Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
DTC DETECTION CONDITION CHART

DTC No DTC Detection Condition Trouble Area
P0500 While vehicle being driven, no vehicle speed sensor signal to ECM (1-tip detection logic)
  • Open or short in speed signal circuit
  • Combination meter
  • ECM
  • Skid control ECU