TRANSFER SYSTEM PROBLEM SYMPTOMS TABLE

Tip:

Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
Inspect the fuses and relays related to this system before inspecting the suspected areas below.

Table 1. Transfer System
Symptom	Suspected Area	Link
Noise	Oil (Level low)	Click here
	Oil (Wrong)	Click here
	Transfer faulty	Click here
Oil leakage	Oil (Level too high)	Click here
	Gasket (Damaged)	Click here
	Oil seal (Worn or damaged)	Click here
	O-ring (Worn or damaged)	Click here
Switch from HIGH to LOW is impossible	Harness or connector	Click here
	Transfer shift actuator assembly	Click here
	CAN communication system	Click here
	Transfer position switch	Click here
	Four wheel drive control ECU	Click here
	Transfer faulty	Click here
Switch from LOW to HIGH is impossible	Harness or connector	Click here
	Transfer shift actuator assembly	Click here
	CAN communication system	Click here
	Transfer position switch	Click here
	Four wheel drive control ECU	Click here
	Transfer faulty	Click here
Switch from FREE to LOCK is impossible	Harness or connector	Click here
	Transfer shift actuator assembly	Click here
	CAN communication system	Click here
	Center differential lock switch	Click here
	Four wheel drive control ECU	Click here
	Transfer faulty	Click here
Switch from LOCK to FREE is impossible	Harness or connector	Click here
	Transfer shift actuator assembly	Click here
	CAN communication system	Click here
	Center differential lock switch	Click here
	Four wheel drive control ECU	Click here
	Transfer faulty	Click here
4LO indicator light does not come on	Harness or connector	Click here
	Combination meter	Click here
	CAN communication system	Click here
	Four wheel drive control ECU	Click here
	Transfer position switch	Click here
	Transfer shift actuator assembly	Click here
4LO indicator light remains on	Four wheel drive control ECU	Click here
	Transfer position switch	Click here
	Combination meter	Click here
Center differential lock indicator light does not come on	Harness or connector	Click here
	Combination meter	Click here
	CAN communication system	Click here
	Four wheel drive control ECU	Click here
	Center differential lock switch	Click here
	Transfer shift actuator assembly	Click here
Center differential lock indicator light remains on (Blinking)	Four wheel drive control ECU	Click here
	Center differential lock switch	Click here
	Combination meter	Click here