Inspection Procedure

CHECK HARNESS AND CONNECTOR (TC of DLC3 - ECM)

Disconnect the connector from the ECM.

Fig 1: Identifying DLC3 Connector Terminals
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Measure the resistance according to the value(s) in the table below.

Resistance

RESISTANCE SPECIFICATION

Tester connection	Condition	Specified condition
TC (E6-20) - TC (D1-13)	Always	Below 1 Ω

Fig 2: Identifying ECM Connector E6

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OK : GO TO NEXT STEP

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

CHECK HARNESS AND CONNECTOR (CG of DLC3 - BODY GROUND)

Measure the resistance according to the value(s) in the table below.

Resistance

RESISTANCE SPECIFICATION

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

Fig 3: Identifying DLC3 Connector Terminals

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OK : GO TO NEXT STEP

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

CHECK HARNESS AND CONNECTOR (TC of DLC3 - BODY GROUND)

Measure the resistance according to the value(s) in the table below.

Resistance

RESISTANCE SPECIFICATION

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

Fig 4: Identifying DLC3 Connector Terminals

OK : REPLACE ECM

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR OR EACH ECU