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 MANUALSINFINITI2011M56 V8-5.6L (VK56VD)REPAIR AND DIAGNOSISA L L DIAGNOSTIC TROUBLE CODES ( DTC )TESTING AND INSPECTIONU CODE CHARTSU1515CRUISE CONTROL SYSTEM
2011 Infiniti M56 V8-5.6L (VK56VD)
Cruise Control System
2011 Infiniti M56 V8-5.6L (VK56VD)SECTION Cruise Control System
U1515 ICC SENSOR CAN 3
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC "U1515" is detected along with DTC "U1000", first diagnose the DTC "U1000". Cruise Control.
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Start the engine.
2. Turn the MAIN switch of ICC system ON.
3. Perform "All DTC Reading" with CONSULT-III.
4. Check if the "U1515" is detected as the current malfunction in "Self Diagnostic Result" of "ICC/ADAS".
Is "U1515" detected as the current malfunction?
YES - SEE Diagnosis Procedure.
NO - Intermittent Incident.
Diagnosis Procedure
1.CHECK SELF-DIAGNOSIS RESULTS
Check if "U1000" is detected other than "U1515" in "Self Diagnostic Result" of "ICC/ADAS".
Is "U1000" detected?
YES - Perform the CAN communication system inspection. Repair or replace the malfunctioning parts. Cruise Control.
NO - GO TO 2.
2.CHECK ICC SENSOR SELF-DIAGNOSIS RESULTS
Check if any DTC is detected in "Self Diagnostic Result" of "LASER".
Is any DTC detected?
YES - Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Testing and Inspection.
NO - Replace the ADAS control unit. Service and Repair.
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.