Inspection Procedure

1. Disconnect the B29 battery current sensor connector.
Fig 1: Identifying B29 Battery Current Sensor Connector
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   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

NG: REPLACE BATTERY CURRENT SENSOR 

OK: Go to next step 

Fig 2: Identifying Wire Harness (Battery Current Sensor - ECM)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Specified Condition
   B29-1 (THB) - B30-103 (THB)	Below 1 Ω
   B29-4 (E2) - B30-101 (EIB)	Below 1 Ω
   B29-1 (THB) or B30-103 (THB) - Body ground	10 kΩ or higher

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: REPLACE ECM