BRAKE PEDAL STROKE SENSOR CHECK <PHEV>




1.Disconnect the sensor connector and connect special tool test harness (MB991658) as shown.
2.Turn the power supply mode of the electric motor switch to ON.
3.Measure the voltage at sensor connector terminal No.2 (brake pedal stroke sensor signal terminal).

4.Check that voltages show the values described in the graph according to the sensor operation angle.
5.If defective, replace the sensor.
caution
  • When the brake pedal stroke sensor is replaced, execute the special function (PHEV-ECU) "Item No. 2: Brake pedal stroke sensor learning reset" or disconnect the auxiliary battery terminals and then leave it disconnected for at least ten seconds.
  • Keep away the brake pedal stroke sensor from a magnetic device.