Toyota RAV4 manuals

Toyota RAV4 Service Manual: On-vehicle inspection

  1. Inspect refrigerant pressure with manifold gauge set

  1. This method uses a manifold gauge set to locate problem areas. Read the manifold gauge pressure when these conditions are established. Test conditions:

Toyota RAV4. On-vehicle inspection


 Toyota RAV4. On-vehicle inspection


  1. Normally functioning refrigeration system

Gauge reading v

  1. The a/c system periodically changes between normal and improper function due to moisture in the refrigerant system.

Toyota RAV4. On-vehicle inspection


  1. The a/c system does not function effectively due to insufficient cooling.

Toyota RAV4. On-vehicle inspection


  1. The a/c system does not function effectively due to poor circulation of the refrigerant.

Toyota RAV4. Refrigerant


  1. The a/c system does not function intermittently because the refrigerant does not circulate.

Toyota RAV4. On-vehicle inspection


  1. The a/c system does not function effectively due to overcharged refrigerant or insufficient cooling of the condenser.

Toyota RAV4. On-vehicle inspection


  1. The a/c system does not function due to air in the refrigeration system.

Caution:

The low-pressure piping may be very hot and cause serious burns.

Toyota RAV4. On-vehicle inspection


  1. The a/c system does not function effectively due to an expansion valve malfunction.

Toyota RAV4. On-vehicle inspection


Toyota RAV4. On-vehicle inspection


  1. The a/c system does not function due to a defective compressor.

Toyota RAV4. On-vehicle inspection


Refrigerant
...

Replacement
discharge refrigerant from refrigeration system Start up the engine. Turn the a/c switch on. Operate the cooler compressor with an engine speed of approximately 1,000 rpm for 5 to 6 min ...

Other materials:

Room temperature sensor (for automatic ai conditioning system)
Components Removal Remove lower instrument panel Remove the lower instrument panel (see page ip- 16). Remove room temperature sensor Disconnect the duct. Disconnect the connector. Detach the claws and remove the sensor. Inspection Inspect room temperature ...

Daytime running light relay
On-vehicle inspection Inspect day time running light relay Remove the no. 2 Relay, no. 3 Relay and no. 4 Relay from the engine room no. 2 Relay block. Measure the resistance of the relays. Standard resistance: No. 2, No. 4 No. 3 If the result is not as specified, replace th ...

Evaporator temperature sensor circuit
Description The no. 1 Cooler thermistor (evaporator temperature sensor) is installed on the evaporator in the air conditioning unit to detect the temperature of the cooled air that has passed through the evaporator and to control the air conditioner. It sends signals to the air conditioni ...

© 2011-2019 Copyright www.trav4.net