DTC P1784-62: 4WD/AWD Transfer Case Shift Motor Limit Switch and Transfer Case H4-L4 Position Switch Signal Compare Failure [12/2024 - ]: Description

Combinations other than the normal patterns in the table below are determined to be a malfunction.

Transfer Shift Actuator Assembly	Terminal	Mode
Transfer Shift Actuator Assembly	Terminal	4L	Switching	4H	Switching	2H
Transfer Limit Switch	TL1	OFF	OFF	OFF	ON	ON
	TL2	ON	ON	OFF	OFF	OFF
	TL3	OFF	ON	ON	ON	OFF
2WD Position Switch	2WD	OFF	OFF	OFF	OFF/ON	ON
4L Position Switch	4WDL	ON	ON/OFF	OFF	OFF	OFF

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	DTC Output from	Priority
P1784-62	4WD/AWD Transfer Case Shift Motor Limit Switch and Transfer Case H4-L4 Position Switch Signal Compare Failure	Diagnosis Condition: When switching between 2H and 4L (transfer shift motor operating) while the ignition switch is turned to ON or directly after the ignition switch is turned to ON Malfunction Status: The combination of TL1, TL2, TL3, 2WD and 4WDL does not match Malfunction Time: 0.05 seconds or more (if directly after ignition switch is turned to ON, 1 second or more) Number of Trips: 1 trip	Wire harness and connector Transfer limit switch (transfer shift actuator assembly) 2WD position switch (transfer shift actuator assembly) 4L position switch (transfer shift actuator assembly) 4 wheel drive control ECU	Four Wheel Drive	A

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

DTC Output from

Priority

P1784-62

4WD/AWD Transfer Case Shift Motor Limit Switch and Transfer Case H4-L4 Position Switch Signal Compare Failure

Diagnosis Condition:

When switching between 2H and 4L (transfer shift motor operating) while the ignition switch is turned to ON or directly after the ignition switch is turned to ON

Malfunction Status:

Malfunction Time:

0.05 seconds or more (if directly after ignition switch is turned to ON, 1 second or more)

Number of Trips:

Four Wheel Drive

DTC DETECTION CONDITIONS:

		Vehicle Condition
		Pattern 1	Pattern 2
Diagnosis Condition	When switching between 2H and 4L (transfer shift motor operating) while the ignition switch is turned to ON	◦	-
Diagnosis Condition	When switching between 2H and 4L (transfer shift motor operating) while the directly after the ignition switch is turned to ON	-	◦
Malfunction Status	The combination of TL1, TL2, TL3, 2WD and 4WDL does not match	◦	◦
Detection Time		0.05 seconds or more	1 second or more
Number of Trips		1 trip	1 trip

HINT:

DTC will be output when conditions for either of the patterns in the table above are met.