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Battery Current Sensor: Inspection

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  1. INSPECT BATTERY CURRENT SENSOR 
    1. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      RESISTANCE SPECIFIED CONDITION

      Tester Connection Specified Condition
      Tester (+) → 2 (VC)
      Tester (-) → 4 (E2)      		 3 k to 10 kΩ
      Tester (+) → 2 (VC)
      Tester (-) → 3 (IB)      		 0.5 kΩ or less
      Tester (+) → 3 (IB)
      Tester (-) → 4 (E2)      		 3 k to 10 kΩ
      Fig 1: Identifying Battery Current Sensor Connector Terminals
      G04945748Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      RESISTANCE SPECIFIED CONDITION

      Tester Connection Condition Specified Condition
      1 (THB) - 4 (E2) 20 to 30°C (68 to 86°F) 1.5 k to 2.5 kΩ
      (0 to 70°C (32 to 158°F)) (0.3 k to 6.0 kΩ)
      NOTE: The temperature shown in the condition is for the area surrounding the sensor, not the sensor itself.
      Fig 2: Identifying A49 Sensor Connector Terminals With Resistance Graph
      G04945726Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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