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Home >> Scion >> 2009 >> xD Standard >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Air Conditioning >> Air Conditioning System >> Generator Signal Circuit >> Inspection Procedure

Inspection Procedure

  1. CHECK HARNESS AND CONNECTOR (AIR CONDITIONING AMPLIFIER - GENERATOR) 
    1. Disconnect the G8 air conditioning amplifier connector.
    2. Disconnect the C9 generator connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      RESISTANCE SPECIFICATION

      Tester connection Condition Specified condition
      G8-24 (ALT) - C9-3 (M) Always Below 1 Ω
      GG8-24 (ALT) - Body ground Always 10 kΩ or higher
    4. Reconnect the generator connector.
    5. Disconnect the air conditioning amplifier connector.

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Fig 1: Identifying Generator And Air Conditioning Amplifier Connector Terminals
    G05401638Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: Go to next step 

  2. INSPECT GENERATOR 
    1. Inspect the generator (See INSPECTION for ON-VEHICLE INSPECTION, INSPECTION for INSPECTION).

    NG: REPLACE GENERATOR  (See REMOVAL )

    OK : PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE  (See PROBLEM SYMPTOMS TABLE  )