DTC P17DF-62: 4WD/AWD Center Differential Lock Limit Switch Signal Compare Failure [12/2021 - ]: Procedure

Pre-procedure1

1. Disconnect the B8 4 wheel drive control ECU connector.
2. Disconnect the C47 center differential lock shift actuator (transfer shift actuator assembly) connector.

   Procedure1

3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   B8-8 (TL2) - C47-6 (TL2)	Always	Below 1 Ω
   B8-7 (TL3) - C47-5 (TL3)	Always	Below 1 Ω
   C47-4 (GND1) - Body ground	Always	Below 1 Ω
   B8-8 (TL2) or C47-6 (TL2) - Body ground	Always	10 kΩ or higher
   B8-7 (TL3) or C47-5 (TL3) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

   Post-procedure1

4. Connect the B8 4 wheel drive control ECU connector.
5. Connect the C47 center differential lock shift actuator (transfer shift actuator assembly) connector.

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  2

Pre-procedure1

1. Disconnect the C47 center differential lock shift actuator (transfer shift actuator assembly) connector.

   Procedure1

2. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Switch Condition	Specified Condition
   C47-6 (TL2) - Body ground	Ignition switch ON	10 to 16 V
   C47-5 (TL3) - Body ground	Ignition switch ON	10 to 16 V

   Result

   Proceed to
   OK
   NG

   Post-procedure1

3. Connect the C47 center differential lock shift actuator (transfer shift actuator assembly) connector.

Result: 

OK 

REPLACE TRANSFER SHIFT ACTUATOR ASSEMBLY. Refer to  DISASSEMBLY [12/2021 - ] 

Result: 

NG 

REPLACE 4 WHEEL DRIVE CONTROL ECU. Refer to  REMOVAL [12/2021 - ]