Air Conditioning System (For Manual Air Conditioning System) Problem Symptoms Table

Air Conditioning System (For Manual Air Conditioning System) -- Problem Symptoms Table


HINT:
  1. Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
  2. Inspect the fuses and relays related to this system before inspecting the suspected areas below.
  3. If the malfunction still exists even after checking and confirming that all the circuits are normal, replace the A/C amplifier.

A/C system
Symptom
Suspected Area
See page
All functions of A/C system do not operate
A/C control assembly
Toyota Fortuner RM0000012KA002X.html
A/C amplifier assembly
Toyota Fortuner RM0000012KH002X.html
Harness or connector
-
Air flow control: No blower operation
Blower resistor
Toyota Fortuner RM000001PXY001X_01_0001.html
Blower w/ fan motor sub-assembly
Toyota Fortuner RM000001O88001X.html
A/C control assembly
Toyota Fortuner RM0000012KA002X_01_0001.html
Harness or connector
-
Air flow control: No blower control
Blower resistor
Toyota Fortuner RM000001PXY001X.html
A/C control assembly
Toyota Fortuner RM0000012KA002X_01_0001.html
Harness or connector
-
Air flow control: Insufficient air comes out
Blower w/ fan motor sub-assembly
Toyota Fortuner RM000001O88001X.html
Blower resistor
Toyota Fortuner RM000001PXY001X.html
A/C control assembly
Toyota Fortuner RM0000012KA002X_01_0001.html
Harness or connector
-
Temperature control: No cool air comes out
Volume of refrigerant
Toyota Fortuner RM000000VTE00GX.html
Drive belt (1KD-FTV)
Toyota Fortuner RM000001476002X.html
Drive belt (1GR-FE)
Toyota Fortuner RM0000012JZ00TX.html
Drive belt (2TR-FE)
Toyota Fortuner RM000000YMP008X.html
Drive belt (5L-E)
Toyota Fortuner RM00000122Y002X.html
Refrigerant pressure
Toyota Fortuner RM000000VTF00GX.html
Cooler compressor assembly (1KD-FTV)
Toyota Fortuner RM000001PY1001X_01_0001.html
Cooler compressor assembly (1GR-FE)
Toyota Fortuner RM0000012JZ00TX.html
Cooler compressor assembly (2TR-FE)
Toyota Fortuner RM0000012JZ00RX.html
Cooler compressor assembly (5L-E)
Toyota Fortuner RM0000012JZ00SX.html
A/C pressure switch
Toyota Fortuner RM0000012K8002X.html
Air mix control cable
-
A/C control assembly
Toyota Fortuner RM0000012KA002X_01_0001.html
Harness or connector
-
Temperature control: Output air is warmer or cooler than set temperature or response is slow
Air mix control cable
-
A/C control assembly
Toyota Fortuner RM0000012KA002X_01_0001.html
Temperature control: No temperature control
Air mix control cable
-
A/C control assembly
Toyota Fortuner RM0000012KA002X_01_0001.html
No air inlet control
Air inlet damper control cable
-
A/C control assembly
Toyota Fortuner RM0000012KA002X_01_0001.html
No air outlet control
Mode control cable
-
A/C control assembly
Toyota Fortuner RM0000012KA002X_01_0001.html
Engine idle-up does not occur, or is continuous
Cooler compressor assembly (1KD-FTV)
Toyota Fortuner RM000001PY1001X.html
Cooler compressor assembly (1GR-FE)
Toyota Fortuner RM0000012JZ00TX.html
Cooler compressor assembly (2TR-FE)
Toyota Fortuner RM0000012JZ00RX.html
Cooler compressor assembly (5L-E)
Toyota Fortuner RM0000012JZ00SX.html
A/C control assembly
Toyota Fortuner RM0000012KA002X.html
A/C amplifier assembly
Toyota Fortuner RM0000012KH002X.html
ECM (1KD-FTV)
Toyota Fortuner RM0000013YZ002X.html
ECM (1GR-FE)
Toyota Fortuner RM000000VW100DX.html
ECM (2TR-FE)
Toyota Fortuner RM000000VW200JX.html
ECM (5L-E)
Toyota Fortuner RM000000VW200IX.html

Rear cooler
Symptom
Suspected Area
See page
Air flow control: No blower operation
Rear cooler relay
Toyota Fortuner RM000001HL4001X_01_0001.html
Blower motor sub-assembly (rear)
Toyota Fortuner RM000001JR300QX.html
Cooler control switch assembly
Toyota Fortuner RM00000249L007X.html
Harness or connector
-
Air flow control: No blower control
Blower motor sub-assembly (rear)
Toyota Fortuner RM000001JR300QX.html
Blower (rear) resistor
Toyota Fortuner RM000001JR300QX.html
Cooler control switch assembly
Toyota Fortuner RM00000249L007X.html
Harness or connector
-
Temperature control: No cool air comes out
Volume of refrigerant
Toyota Fortuner RM000000VTE00GX.html
Drive belt (1KD-FTV)
Toyota Fortuner RM000001476002X.html
Drive belt (1GR-FE)
Toyota Fortuner RM000000YN3003X.html
Drive belt (2TR-FE)
Toyota Fortuner RM000000YMP008X.html
Drive belt (5L-E)
Toyota Fortuner RM00000122Y002X.html
Refrigerant pressure
Toyota Fortuner RM000000VTF00GX.html
Cooler compressor assembly (1KD-FTV)
Toyota Fortuner RM000001PY1001X_01_0001.html
Cooler compressor assembly (1GR-FE)
Toyota Fortuner RM0000012JZ00TX.html
Cooler compressor assembly (2TR-FE)
Toyota Fortuner RM0000012JZ00RX.html
Cooler compressor assembly (5L-E)
Toyota Fortuner RM0000012JZ00SX.html
Cooler control switch assembly
Toyota Fortuner RM0000012KB002X.html
Harness or connector
-