RELAY (w/ PTC Heater) ON-VEHICLE INSPECTION


  1. REMOVE PTC HEATER RELAY (PTC HTR 1, PTC HTR 2, PTC HTR 3)

    A0159S7E01

    1. Remove the 3 PTC heater relays from the engine room relay block.

  2. INSPECT PTC HEATER RELAY (PTC HTR 1, PTC HTR 2, PTC HTR 3)

    A015BNFE05

    1. Measure the resistance of the relay.

      Standard Resistance
      Tester Connection Condition Specified Condition
      3 - 5 Battery voltage not applied between terminals 1 and 2 10 kΩ or higher
      Battery voltage applied to terminal 1 and 2 Below 1 Ω

      • If the result is not as specified, replace the relay.

  3. INSTALL PTC HEATER RELAY (PTC HTR 1, PTC HTR 2, PTC HTR 3)

    A0159S7E01

    1. Install the 3 PTC heater relays to the engine room relay block.