Front Differential
DIFFERENTIAL ASSEMBLY DIAGNOSIS TABLE
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.
NOTES ON SYSTEM CIRCUIT INSPECTION
^ For system circuit, refer to the figure in Description and Operation.
^ For terminal arrangement, refer to "4WD CONTROL CIRCUIT INSPECTION".
4WD CONTROL SYSTEM CIRCUIT INSPECTION
Voltage Check
Check for input or output voltage (voltage between each circuit and body ground) of ECM (PCM) with ECM (PCM) connector connected and ignition switch turned ON.
For G16/J20 Engine Model
For H25 Engine Model