Toyota RAV4 manuals

Toyota RAV4 (XA40) 2013-2018 Service Manual: 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:

Rear window wiper and washer
The rear window wiper and washer can be used by operating the lever. NOTICE â– When the rear window is dry Do not use the wiper, as it may damage the rear window. Operating the wiper lever Operating the switch operates the rear wiper as follows: *1 or *2 Off *1 or *2 Intermittent operation ...

Armrest
Fold down the armrest for use. NOTICE â– To prevent damage to the armrest Do not apply too much load on the armrest. Assist grips An assist grip installed on the ceiling can be used to support your body while sitting on the seat. WARNING â– Assist grips Do not use the assist grip when getting in o ...

Installation
Install accelerator pedal rod Install the accelerator pedal rod with the 2 bolts. Torque: 5.4 N*m (55 kgf*cm, 48 in.*Lbf) Connect the accelerator pedal position sensor connector. Connect cable to negative battery terminal ...

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