Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSINFINITI2006FX35 AWDREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESLAN SYSTEMTROUBLE DIAGNOSIS FOR SYSTEMINSPECTION BETWEEN TCM AND DATA LINK CONNECTOR CIRCUIT

2006 Infiniti FX35 AWD

Inspection Between TCM and Data Link Connector Circuit

2006 Infiniti FX35 AWDSECTION Inspection Between TCM and Data Link Connector Circuit

CHECK HARNESS FOR OPEN CIRCUIT

Turn ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Disconnect ECM connector and harness connector M82.

Check continuity between harness connector and data link connector.

TERMINAL CONTINUITY CHART

Harness connector	Terminal	Data link connector	Terminal	Continuity
M82	14H	M5	6	Yes
M82	15H	M5	14	Yes

Fig 1: Identifying Continuity Between Harness Connector And Data Link Connector

Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK : Connect all the connectors and diagnose again. Refer to "TROUBLE DIAGNOSES WORK FLOW ".

NG : Repair harness.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.