New Process 231 (Manual Shift Transfer Case)

Diagnostic Chart 1 Of 2:

Diagnostic Chart 2 Of 2:

DIAGNOSIS OF THE TRANSFER CASE (Including Electronic Shift)

Symptom Table:

TEST A: Selector Quadrant Switch Test:

TEST C: Front Axle Switch Test:

TEST B: Indicator Assembly Test:

Four Wheel Drive Indicator Light Diagnosis

Indicator Light Wiring Schematic:

4WD Selector Switch Wiring Schematic:

Indicator Light Wiring Schematic





Vacuum Line Routing and Schematic

NOTE: The manufacture does not provide trouble code driven diagnostic procedures for this vehicles electronic shift transfer case system.