RELAY(w/ PTC Heater) ON-VEHICLE INSPECTION

PROCEDURE


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

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    *a PTC HTR 1 Relay
    *b PTC HTR 2 Relay
    *c PTC HTR 3 Relay

    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)

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    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)

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    *a PTC HTR 1 Relay
    *b PTC HTR 2 Relay
    *c PTC HTR 3 Relay

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