Toyota RAV4 manuals

Toyota RAV4 Service Manual: Master cylinder pressure sensor malfunction

Toyota RAV4 Service Manual / Brake control / Vehicle stability control system / Master cylinder pressure sensor malfunction

Toyota RAV4. Master cylinder pressure sensor malfunction


Description

The master cylinder pressure sensor is connected to the skid control ecu in the abs and traction actuator.

Dtc c1281/81 can be detected when the master cylinder pressure sensor sends a master cylinder pressure signal or test mode ends. Dtc c1281/81 is output only in test mode.

Toyota RAV4. Master cylinder pressure sensor malfunction


Inspection procedure

Notice:

When replacing the abs and traction actuator, perform zero point calibration (see page bc-24).

  1. Read value of intelligent tester (stop light switch)

  1. Check the data list for proper functioning of the stop light switch.

Toyota RAV4. Read value of intelligent tester (stop light switch)


Ok: on (brake pedal is depressed) appears on the screen.



  1. Read value of intelligent tester (master cylinder pressure sensor)

  1. Check the data list for proper functioning of the master cylinder pressure sensor.

Toyota RAV4. Read value of intelligent tester (master cylinder pressure sensor)


Ok: when the pedal is depressed, the sensor output voltage increases.



  1. Reconfirm dtc

  1. Clear the dtc(s) (see page bc-47).
  2. Drive the vehicle at a speed of 30 km/h (18 mph) or more and perform a braking test (decelerate the vehicle by depressing the brake pedal).
  3. Check if the same dtc(s) is recorded (see page bc-47).

Result




Replace abs and traction actuator assembly

Low battery positive voltage
Description When there is an abnormality in the power supply circuit of the brake actuator (skid control ecu), the skid control ecu sets a dtc and the operation is prohibited by the fail-safe ...

Open in stop light switch circuit
Description The skid control ecu detects the brake operating conditions through a signal transmitted by the stop light switch. The skid control ecu incorporates an open circuit detection circuit. ...

Other materials:

Installation
Install fan and generator v belt Using sst and 19 mm socket wrench, loosen the vribbed belt tensioner arm clockwise, then install the fan and generator v belt. Sst 09216-42010 Notice: Be sure to connect sst and the tools so that they are in line during use. When retracti ...

Front seats
Adjustment procedure Manual seat Seat position adjustment lever Seatback angle adjustment lever Vertical height adjustment lever (driver’s side only) Power seat (driver’s side only) Seat position adjustment switch Seatback angle adjustment switch seat cushion (f ...

Mass air flow circuit range / performance problem
Description Refer to dtc p0100 (see page es-86). Monitor description The maf meter is a sensor that measures the amount of air flowing through the throttle valve. The ecm uses this information to determine the fuel injection time and to provide an appropriate air-fuel ratio. Inside ...

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