Symptom Related Diagnostic Procedures
DIAGNOSIS TABLEDifferential Assembly
4WD Control System Diagnostic Flow Table
Before performing the trouble diagnosis, check that the transfer and front differential are in good condition and there is no air leakage from air hoses and the actuator.
^ For system circuit, refer to the figure in Description and Operation; 4WD Control System. 4WD Control System
4WD CONTROLLER AND ITS CIRCUIT INSPECTION
Voltage Check
Check for input or output voltage of 4WD controller (voltage between each circuit and body ground) with 4WD controller connector connected and ignition switch turned ON.