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Home >> Ford >> 2015 >> Explorer Limited, 3.5L Eng VIN 8, AWD >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Four Wheel Drive (4WD) Systems >> Diagnosis And Testing >> Four Wheel Drive (4WD) Systems >> Inspection and Verification

Inspection and Verification

  1. 1.

    Verify the customer concern.

  1. 2.

    Inspect for obvious signs of mechanical or electrical damage.

Visual Inspection Chart 

Mechanical Electrical
ATC solenoid (part of rear axle)
PTU
RDU
Halfshafts and CV joints
Driveshaft and U-joints
Fluid leaks
Wheel/tire size and brand
Matching tire size and brand
Tire pressure		 BJB fuse 70 (15A)
AWD relay
Wiring harness
Connector(s)
Circuitry
PCM

  1. 3.

    If the DTCs retrieved are related to the concern, go to the DTC Chart . For all other DTCs, REFER to Multifunction Electronic Modules .

  1. 4.

    If no DTCs related to the concern are retrieved, GO to Symptom Chart .
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