Inspection Procedure

WARNING: This page is about a different car, the 2006 Toyota Camry Solara. However, it is still accessible from the selected car via links, so may be relevant.

CHECK HARNESS AND CONNECTOR (TC of DLC3 - ECM)

Turn the ignition switch off.
Disconnect the ECM connector.

Measure the resistance according to the value(s) in TC OF DLC3 - ECM (3MZ-FE) and TC OF DLC3 - ECM (2AZ-FE) .

Standard resistance:

3MZ-FE

TC OF DLC3 - ECM (3MZ-FE)

Tester connection	Condition	Specification
TC (DLC3-13) - TC (E4- 20)	Always	Below 1 Ω

2AZ-FE

TC OF DLC3 - ECM (2AZ-FE)

Tester connection	Condition	Specification
TC (DLC3-13) - TC (E5- 17)	Always	Below 1 Ω

Fig 1: Checking Harness And Connector (TC Of DLC3 - ECM)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (TC of DLC3 - ECM)

OK: GO TO NEXT STEP

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

Measure the resistance according to the value(s) in TC OF DLC3 - BODY GROUND .

Standard resistance

TC OF DLC3 - BODY GROUND

Tester connection	Condition	Specification
TC (DLC3-13) - Body ground	Always	10 kΩ or higher

Fig 2: Checking And Replacing Harness And Connector (TC Of DLC3 - Body Ground)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE WIRE HARNESS AND EACH ECU (TC CIRCUIT)

OK: GO TO NEXT STEP

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

Measure the resistance according to the value(s) in CG OF DLC3 - BODY GROUND .

Standard resistance

CG OF DLC3 - BODY GROUND

Tester connection	Condition	Specification
CG (DLC3-4) - Body ground	Always	Below 1 Ω

Fig 3: Checking Harness And Connector (CG OF DLC3 - Body Ground)

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

OK: REPLACE ECM