Inspection Procedure

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.

INSPECT BATTERY CURRENT SENSOR

Disconnect the B29 battery current sensor connector.

Fig 1: Identifying Battery Current Sensor Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Measure the resistance.

Standard resistance

RESISTANCE SPECIFICATION

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

CHECK HARNESS AND CONNECTOR (BATTERY CURRENT SENSOR - ECM)

Disconnect the B29 battery current sensor connector.

Fig 2: Identifying Battery Current Sensor And ECM Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Disconnect the B30 ECM connectors.

Measure the resistance of the wire harness side connectors.

Standard resistance (Check for open)

RESISTANCE SPECIFICATION

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)

RESISTANCE SPECIFICATION

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

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR

OK: REPLACE ECM