Toyota Camry Quiz
Heater & air conditioner

Air conditioning system

In this manual: Heater & air conditioner
Introduction — 61Audio & visual system — 16Automatic transmission / trans — 19Transmission revolution (ATM) — 1Shift lock system (ATM) — 1Brake — 20Clutch — 10Communication system — 4Cooling — 15Cruise control — 3Drive shaft / propeller shaft — 9Emission control — 8Engine control system — 12Engine hood/door — 7Exhaust — 3Exterior/interior trim — 14Front suspension — 9Fuel — 12Heater & air conditioner — 16Ignition — 8Instrument panel/meter — 7Intake — 7Lighting — 11Lubrication — 16Manual transmission/transaxle — 13Parking brake — 10Power steering — 7Rear suspension — 10Seat — 12Service specifications — 26Sliding roof/convertible — 4Starting & charging — 11Starting system (2AZ−FE)(From July, 2003) — 1Starting system (1MZ−FE/3MZ−FE) — 1Steering column — 6Theft deterrent & door lock — 9Tire & wheel — 4Windshield/windowglass/mirror — 5Back window glass — 1Power window control system — 1Power mirror control system — 1Inner rear view mirror assy — 1Windshield glass — 1Wiring — 1
51steps
~306min
4/5difficulty
Done 0 of 51
PROBLEM SYMPTOMS TABLE

Use the table below to help you to find the cause of the problems. The numbers indicate the priority of the likely cause of the problem. Check each part in order. If necessary, replace these parts.

Symptom Suspect Area
Whole functions of the A/C system does not operate.
  1. HTR fuse (50 A)
  2. HTR fuse (10 A)
  3. A/C fuse
  4. HTR relay
  5. A/C control assy
  6. Wire harness or connector
Air Flow Control : No blower operation
  1. Heater blower motor relay
  2. Blower w/ fan motor sub−assy
  3. A/C control assy
  4. Wire harness or connector
Air Flow Control : No blower control
  1. Blower w/ fan motor sub−assy
  2. Blower resistor
  3. A/C control assy
  4. Wire harness or connector
Air Flow Control : Insufficient air flow
  1. Blower w/ fan motor sub−assy
  2. A/C control assy
  3. Wire harness or connector
Temperature Control : No cool air comes out
  1. Volume of refrigerant
  2. Drive belt tension
  3. Cooler compressor assy
  4. Refrigerant pressure
  5. Pressure switch No.1
  6. Air mix damper servo sub−assy
  7. Condenser fan
  8. A/C control assy
  9. Wire harness or connector
Temperature Control : No warm air comes out
  1. Engine coolant volume
  2. Air mix damper servo sub−assy
  3. Cooler thermistor No.1
  4. A/C control assy
  5. Heater radiator unit sub−assy
  6. Wire harness or connector
Temperature Control : Out coming air is warmer or cooler than the set temperature or response is slow.
  1. Air mix damper servo sub−assy
  2. A/C control assy
  3. Wire harness or connector
Temperature Control : No temperature control (only Max. cool or Max. warm)
  1. Air mix damper servo sub−assy
  2. A/C control assy
  3. Wire harness or connector
No air inlet control
  1. Recirculation damper servo sub−assy
  2. A/C control assy
  3. Wire harness or connector
No air outlet control
  1. Mode damper servo sub−assy
  2. A/C control assy
  3. Wire harness or connector
No engine idle−up when A/C switch ON
  1. Cooler compressor assy
  2. A/C control assy
  3. 1MZ−FE, 3MZ−FE: ECM
  4. Wire harness or connector
Brightness does not changes when rheostat volume or light control switch it turned.
  1. Illumination light system
  2. A/C control assy
  3. Wire harness or connector

Test yourself

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