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