Inspection Procedure

CHECK WIRE HARNESS (TC of DLC3 - HYBRID VEHICLE CONTROL ECU)

Disconnect the D1 connector from the DLC3 and H29 connector from the hybrid vehicle control ECU.
Measure the resistance according to the value(s) in the table below.

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Condition	Specified Condition
H29-3 (TC) - D1-13 (TC)	Always	Below 1 Ω

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (DLC3 - HYBRID VEHICLE CONTROL ECU)

Fig 1: Disconnecting D1 Connector From DLC3 And H29 Connector From Hybrid Vehicle Control ECU

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: Go to next step

CHECK WIRE HARNESS (CG of DLC3 - BODY GROUND)

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION

Tester connection	Condition	Specified condition
D1-4 (CG) - Body ground	Always	Below 1 Ω

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (DLC3 - BODY GROUND)

Fig 2: Identifying Terminals Of DLC3

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: Go to next step

CHECK WIRE HARNESS (TC of DLC3 - BODY GROUND)

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION

Tester Condition	Condition	Specified Condition
D1-13 (TC) - Body ground	Always	10 kΩ or higher

NG: REPAIR OR REPLACE WIRE HARNESS OR EACH ECU

Fig 3: Identifying Terminal TC Of DLC3

OK: REPLACE HYBRID VEHICLE CONTROL ECU