Toyota RAV4 manuals

Toyota RAV4 (XA40) 2013-2018 Service Manual: Compressor lock sensor circuit

Toyota RAV4. Compressor lock sensor circuit


Description

This sensor sends 1 pulse per engine revolution to the air conditioning amplifier. If the ratio of the compressor speed divided by the engine speed is smaller than a predetermined value, the air conditioning amplifier turns the compressor off, and the indicator blinks at approximately 1 second intervals.

Toyota RAV4. Compressor lock sensor circuit


Wiring diagram

Toyota RAV4. Compressor lock sensor circuit


Inspection procedure

  1. Check air conditioning amplifier (lock signal)

  1. Remove the air conditioning amplifier with its connectors still connected.
  2. Check the waveform of the amplifier connector.

Toyota RAV4. Check air conditioning amplifier (lock signal)


Ok: waveform is as shown in the illustration.


Toyota RAV4. Check air conditioning amplifier (lock signal)




  1. Inspect compressor lock sensor

Toyota RAV4. Inspect compressor lock sensor


  1. Disconnect the b47 compressor lock sensor connector.
  2. Measure the resistance of the sensor.

Standard resistance




  1. Check wire harness (compressor lock sensor - air conditioning amplifier)

Toyota RAV4. Check wire harness (compressor lock sensor - air conditioning amplifier)


  1. Disconnect the b47 compressor lock sensor connector.
  2. Disconnect the e36 amplifier connector.
  3. Measure the resistance of the wire harness side connectors.

Standard resistance




Replace air conditioning amplifier

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Other materials:

Installation
Install no. 2 Chain sub-assembly Set the crankshaft key in the left horizontal position. Turn the cutout of the drive shaft so that it faces upward. Align the yellow mark links with the timing marks of each gear as shown in the illustration. Install the sprockets onto ...

Data list / active test
Hint: Using the intelligent tester's data list allows switch, sensor, actuator and other item values to be read without removing any parts. Reading the data list early in troubleshooting is one way to save time. Data list for occupant classification ecu Connect the intelligent test ...

Precaution
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