Inspection Procedure

1. Disconnect the B29 battery current sensor connector.
2. Measure the resistance.

   Standard resistance 

   TESTER CONNECTIONS - SPECIFIED CONDITIONS
   
   

   Tester Connection	Condition	Specified Condition
   1 (THB) - 4 (E2)	24 to 26°C (75.2 to 78.8°F)	1.91 to 2.065 kΩ

   Fig 1: Inspecting Battery Current Sensor

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE BATTERY CURRENT SENSOR 

OK: Go TO NEXT STEP. 

1. Disconnect the B29 battery current sensor connector.
2. Disconnect the B30 ECM connectors.
3. Measure the resistance of the wire harness side connectors.

   Standard resistance (Check for open) 

   TESTER CONNECTIONS - SPECIFIED CONDITIONS (CHECK FOR OPEN)
   
   

   Tester Connection	Specified Condition
   B29-1 (THB) - B30-120 (THB)	Below 1 Ω
   B29-4 (E2) - B30-92 (EIB)	Below 1 Ω

   Standard resistance (Check for short) 

   TESTER CONNECTIONS - SPECIFIED CONDITIONS (CHECK FOR SHORT)
   
   

   Tester Connection	Specified Condition
   B29-1 (THB) or B30-120 (THB) - Body ground	10 kΩ or higher

   Fig 2: Checking Harness And Connector (Battery Current Sensor - ECM)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

OK: REPLACE ECM