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On-Vehicle Inspection

WARNING: This page is about a different car, the 2008 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.
  1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 
    CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.
  2. REMOVE ENGINE ROOM NO. 2 RELAY BLOCK COVER 
  3. INSPECT NO. 1 FAN RELAY (Marking: FAN NO. 1) 
    1. Remove the relay from the engine room No. 2 relay block.
      Fig 1: Inspecting No. 1 Fan Relay (Marking: Fan No. 1)
      G04485783Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance of the relay.

      Standard resistance 

      TESTER CONNECTION RESISTANCE SPECIFICATION

      Tester Connection Specified Condition
      3 - 5 10 Ω or higher
      3 - 5 Below 1 Ω
      (when battery voltage is applied to terminals 1 and 2)

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

    3. Install the relay.
  4. INSPECT NO. 2 FAN RELAY (Marking: FAN NO. 2) 
    1. Remove the relay from the engine room No. 2 relay block.
      Fig 2: Identifying Relay Test Terminals
      G04435556Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance of the relay.

      Standard resistance 

      TESTER CONNECTION RESISTANCE SPECIFICATION

      Tester Connection Specified Condition
      3 - 4 Below 1 Ω
      3 - 5 10 Ω or higher
      3 - 4 10 Ω or higher
      (when battery voltage is applied to terminals 1 and 2)
      3 - 5 Below 1 Ω
      (when battery voltage is applied to terminals 1 and 2)

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

    3. Install the relay.
  5. INSPECT NO. 3 FAN RELAY (Marking: FAN NO. 3) 
    1. Remove the relay from the engine room No. 2 relay block.
      Fig 3: Inspecting No. 3 Fan Relay (Marking: Fan No. 3)
      G04485785Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance of the relay.

      Standard resistance 

      TESTER CONNECTION RESISTANCE SPECIFICATION

      Tester Connection Specified Condition
      3 - 5 10 Ω or higher
      3 - 5 Below 1 Ω
      (when battery voltage is applied to terminals 1 and 2)

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

    3. Install the relay.
  6. INSTALL ENGINE ROOM NO. 2 RELAY BLOCK COVER 
  7. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL