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PTC Heater Assembly: Inspection

  1. INSPECT PTC HEATER 
    1. Disconnect the connector from the PTC heater.
    2. Measure the resistance according to the value(s) in the table below.

    Standard resistance 

    TESTER CONNECTION SPECIFIED CONDITION CHART

    Tester Connection Condition Specified Condition
    A9-1 (B) - A10-1 (E) Always Below 1 Ω
    A9-3 (B) - A10-2 (E) Always Below 1 Ω

    If the resistance is not as specified, replace the PTC heater.

    Fig 1: Identifying Terminals Of A9 PTC Heater Connector
    G06037484Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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