Four Wheel Drive (4WD) Systems - Mechanical Shift

Inspection and Verification

1. Visually inspect for obvious signs of mechanical and electrical system concerns.

Visual Inspection Chart:

2. Carry out the Mechanical Shift On Stop (MSOS) Functional test. GO to Pinpoint Test F.
3. If the concern is still present after the MSOS Functional test, GO to Symptom Chart.