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 MANUALSINFINITI2008FX45 AWD V8-4.5L (VK45DE)REPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINTRANSMISSION CONTROL SYSTEMSTESTING AND INSPECTIONSCAN TOOL TESTING AND PROCEDURESCONSULT-III FUNCTION (TRANSMISSION)
2008 Infiniti FX45 AWD V8-4.5L (VK45DE)
Consult-III Function (Transmission)
2008 Infiniti FX45 AWD V8-4.5L (VK45DE)SECTION Consult-III Function (Transmission)
CONSULT-III Function (TRANSMISSION)
CONSULT-III can display each diagnostic item using the diagnostic test models shown following.
CONSULT-III REFERENCE VALUE
NOTICE:
1. The CONSULT-III electrically displays shift timing and lock-up timing (that is, operation timing of each solenoid).
Check for time difference between actual shift timing and the CONSULT-III display. If the difference is noticeable, mechanical parts (except solenoids, sensors, etc.) may be malfunctioning. Check mechanical parts using applicable diagnostic procedures.
2. Shift schedule (which implies gear position) displayed on CONSULT-III and that indicated in Service Manual may differ slightly. This occurs because of the following reasons:
- Actual shift schedule has more or less tolerance or allowance,
- Shift schedule indicated in Service Manual refers to the point where shifts start, and
- Gear position displayed on CONSULT-III indicates the point where shifts are completed.
3. Display of solenoid valves on CONSULT-III changes at the start of shifting, while gear position is displayed upon completion of shifting (which is computed by TCM).
SELF-DIAGNOSTIC RESULT MODE
After performing "SELF-DIAGNOSTIC RESULT MODE", place check marks for results on the AT-42, "How to Perform Trouble Diagnosis for Quick and Accurate Repair". How to Perform Trouble Diagnosis For Quick and Accurate Repair
Reference pages are provided following the items.
DATA MONITOR MODE
DTC WORK SUPPORT MODE
CONSULT-III can display each diagnostic item using the diagnostic test models shown following.
FUNCTION:
CONSULT-III REFERENCE VALUE
NOTICE:
1. The CONSULT-III electrically displays shift timing and lock-up timing (that is, operation timing of each solenoid).
Check for time difference between actual shift timing and the CONSULT-III display. If the difference is noticeable, mechanical parts (except solenoids, sensors, etc.) may be malfunctioning. Check mechanical parts using applicable diagnostic procedures.
2. Shift schedule (which implies gear position) displayed on CONSULT-III and that indicated in Service Manual may differ slightly. This occurs because of the following reasons:
- Actual shift schedule has more or less tolerance or allowance,
- Shift schedule indicated in Service Manual refers to the point where shifts start, and
- Gear position displayed on CONSULT-III indicates the point where shifts are completed.
3. Display of solenoid valves on CONSULT-III changes at the start of shifting, while gear position is displayed upon completion of shifting (which is computed by TCM).
Part 1:
Part 2:
SELF-DIAGNOSTIC RESULT MODE
After performing "SELF-DIAGNOSTIC RESULT MODE", place check marks for results on the AT-42, "How to Perform Trouble Diagnosis for Quick and Accurate Repair". How to Perform Trouble Diagnosis For Quick and Accurate Repair
Reference pages are provided following the items.
Display Items List (Part 1):
Display Items List (Part 2):
DATA MONITOR MODE
Display Items List (Part 1):
Display Items List (Part 2):
Display Items List (Part 3):
Display Items List (Part 4):
DTC WORK SUPPORT MODE
Display Items List:
RENDER: 1.0x
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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.