LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 2009 >> RAV4 Base, 3.5 K, FWD >> Repair and Diagnosis >> Body & Frame >> Windows >> Windshield/Window Glass >> Defogger Relay >> On-Vehicle Inspection

On-Vehicle Inspection

  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. INSPECT RELAY 
    1. Disconnect the IG, IF and IQ junction block connectors.
    2. Measure the resistance of the Defogger relay.
    Fig 1: Identifying IG, IF And IQ Junction Block Connectors
    G05586539Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    Standard resistance 

    TESTER CONNECTION SPECIFIED CONDITION

    Tester Connection Specified Condition
    1G-1 - 1F-2 10 kΩ or higher
    1G-1 - 1F-2 Below 1 Ω (when battery voltage is applied to terminals 1Q-12 and IQ-4)

    If the result is not as specified, replace the instrument panel junction block.

  3. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 
scientia non olet · About LEMON Manuals