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Home >> Ford >> 2012 >> Mustang Base, 2D Coupe, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 714 (Four-Wheel Drive Systems) >> Diagnosis And Testing >> Four-Wheel Drive Systems - Vehicles With: Electronic Shift Transfer Case >> Inspection and Verification

Inspection and Verification

WARNING: This page is about a different car, the 2015 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.

  1. 1.

    Verify the customer concern.

  1. 2.

    Visually inspect for obvious signs of mechanical or electrical damage.

  1. 3.

    If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step

  1. 4.

    If the cause is not visually evident, verify the symptom and refer to the Symptom Chart .

Visual Inspection Chart 

Mechanical Electrical
Halfshafts
IWEs
Driveshaft and U-joints
Vacuum leaks
Fluid leaks
Matching tire sizes
Transfer case
BJB

fuse 72 (25A)

fuse 15 (25A) (ELD)

fuse 39 (10A)

fuse 110 (10A)


Fuse 40 (15A) (2WD vehicles with ELD only)
Wiring, terminals or connectors
MSS
Synchronization clutch
IWE solenoid
Transfer case shift motor