Toyota RAV4 Quiz
Air conditioning

On-vehicle inspection

In this manual: Air conditioning
Introduction — 37Interior — 12Exterior — 432Az-fe engine mechanical — 1552Az-fe ignition — 182Az-fe charging — 232Az-fe emission control — 82az-fe exhaust — 32Az-fe fuel — 72Az-fe lubrication — 4Brake — 17Brake control — 63U140f automatic transaxle — 59Instrument panel — 8Suspension — 18Drive shaft — 23Axle — 6Tire and wheel — 30Air conditioning — 93Lighting — 45Cruise control — 21Differential — 12Door lock — 31Engine immobiliser — 21Horn — 5Can communication — 27Mirror — 5Parking brake — 5Power steering — 27Propeller shaft — 3Seat — 29Seat belt — 27Sliding roof — 25Steering column — 6Wiper and washer — 11Supplemental restraint system — 95Other system — 5Maintenance — 14
2steps
~12min
1/5difficulty
Done 0 of 2
  1. Inspect refrigerant pressure with manifold gauge set
  2. This method uses a manifold gauge set to locate problem areas. Read the manifold gauge pressure when these conditions are established. Test conditions:
  • Temperature at the air inlet is 30 to 35°c (86 to 95°f).
  • Engine is running at 1,500 rpm.
  • All doors are fully open.
  • Blower speed control switch is at hi.
  • A/c switch is on.
Gauge readings (reference).
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

Test yourself

A quick Toyota RAV4 quiz: every answer comes with an explanation and a link to the manual page.