DTC P0500: Vehicle Speed Sensor "A": Procedure

WARNING: This page is about a different car, the 2009 Lexus IS 250. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT SPEEDOMETER (METER OPERATION)
1. Drive the vehicle and check if operation of the speedometer in the combination meter is normal.
  HINT:
  
  The vehicle speed sensor is operating normally if the speedometer display is normal.
NG → CHECK SPEEDOMETER CIRCUIT

OK: Go to next step

INSPECT ECM

Shift the lever to the neutral position.

Fig 1: Identifying ECM Connector A5 And E4
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Jack up the vehicle.
Turn the engine switch on (IG).

Measure the voltage according to the value(s) in the table below as the wheel is turned slowly.

Fig 2: Identifying Voltage Pattern

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard

Tester Connection	Specified Condition
A5-22 (SPD) - E4-7 (E1)	Generated intermittently

HINT:

The output voltage should fluctuate up and down similarly to the diagram on the left when the wheel is turned slowly.

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR

OK → REPLACE ECM