Air Conditioning Panel (For Manual Air Conditioning System) Inspection

Vehicle Interior. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25
Heating Air Conditioning. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25

  1. INSPECT AIR CONDITIONING CONTROL ASSEMBLY

  2. INSPECT COOLER SWITCH

Air Conditioning Panel (For Manual Air Conditioning System) -- Inspection



1. INSPECT AIR CONDITIONING CONTROL ASSEMBLY


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.Heating Air Conditioning.Air Conditioning System (For Automatic Air Conditioning System).Air Conditioning Panel (For Manual Air Conditioning System)  Inspection
  1. Measure the resistance according to the value(s) in the table below.

    Standard Resistance:
    Tester Connection
    Switch Condition
    Specified Condition
    1 - 2 - 4 - 5 - 6
    OFF
    10 kΩ or higher
    5 - 6
    LO
    Below 1 Ω
    2 - 5 - 6
    LO - M1
    Below 1 Ω
    2 - 5 - 6
    M1
    Below 1 Ω
    1 - 2 - 5 - 6
    M1 - M2
    Below 1 Ω
    1 - 5 - 6
    M2
    Below 1 Ω
    1 - 4 - 5 - 6
    M2 - HI
    Below 1 Ω
    4 - 5 - 6
    HI
    Below 1 Ω
    If the result is not as specified, replace the air conditioning control assembly.
    Text in Illustration
    *a
    Component without harness connected
    (Air Conditioning Control Assembly)
  1. Inspect illuminations.

    1. Connect the positive (+) lead of the battery to terminal 8 and negative (-) lead to terminal 3. Check that the bulbs illuminate.
      If a bulb does not illuminate, replace it.



2. INSPECT COOLER SWITCH


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.Heating Air Conditioning.Air Conditioning System (For Automatic Air Conditioning System).Air Conditioning Panel (For Manual Air Conditioning System)  Inspection
  1. Check the cooler switch resistance.

    1. Using an ohmmeter, measure the resistance and check the results in accordance with the values in the table below.

      Standard Resistance:
      Tester Connection
      Condition
      Specified Condition
      5 - 6
      Cooler Switch OFF
      10 kΩ or higher
      5 - 6
      Cooler Switch ON
      Below 1 Ω
      If the result is not as specified, replace the cooler switch.
  1. Check the A/C indicator operation.

    1. Connect the positive (+) lead from the battery to terminal 6 and the negative (-) lead to terminal 4.

    2. Push the cooler switch in and check that the indicator lights up.

      Standard:
      Indicator lights up
      If the result is not as specified, replace the cooler switch.
  1. Check the illumination operation.

    1. Connect the positive (+) lead from the battery to terminal 3 and the negative (-) lead to terminal 1 and check that the bulb illuminates.

      Standard:
      Bulb illuminates
      If the result is not as specified, replace the cooler switch.
      Text in Illustration
      *1
      Indicator Light
      *2
      Illumination Light
      *a
      Component without harness connected
      (Cooler Switch)
      *b
      ON
      *c
      OFF