3C
Transfer refuses to operate (4WD indicator or 4WD low indicator flashes, and then transfer does not shift.)
Diagnose transfer assembly after performing 4WD control system check described in 4WD Control System Check .
Condition Possible Cause Action
Transfer refuses to operate (4WD indicator or 4WD low indicator flashes, and then transfer does not shift.)
Transfer shift actuator faulty
Check transfer shift actuator referring to Transfer Shift Actuator Inspection .
4WD switch and/or 4WD low switch faulty
Check switch(es) referring to 4WD Switch and 4WD Low Switch Inspection .
Distorted shift shaft or shift fork
Check shift fork referring to Transfer Inspection .
Worn synchronizer ring
Check synchronizer ring referring to Transfer Inspection .
Worn chamfered tooth on sleeve or gear
Check chamfered tooth and gear referring to Transfer Inspection .
Distorted shift shaft
Check shift shaft referring to Transfer Inspection .
Wiring or grounding faulty
Repair as necessary.
4WD control module faulty
Check 4WD control module referring to Inspection of 4WD Control Module and Its Circuits .