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 SYSTEMECM CIRCUIT INSPECTION

2006 Infiniti FX35 AWD

ECM Circuit Inspection

2006 Infiniti FX35 AWDSECTION ECM Circuit Inspection

CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check terminals and connector of ECM for damage, bend and loose connection (control module side and harness side).
OK or NG

OK : GO TO 2.

NG : Repair terminal or connector.

CHECK HARNESS FOR OPEN CIRCUIT

Disconnect ECM connector.

Check resistance between ECM harness connector terminals.

TERMINAL RESISTANCE CHART

ECM connector	Terminals		Resistance (Approx.)
M90	94	86	108 - 132 Ω

Fig 1: Identifying Resistance Between ECM Harness Connector Terminals

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

OK or NG

OK : Replace ECM.

NG : Repair harness between ECM and harness connector M82.

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.