Vehicle Does Not Enter AWD Mode

Vehicle Does Not Enter AWD Mode Even Though AWD Warning Lamp Turned to OFF

DIAGNOSTIC PROCEDURE

1.CHECK AWD WARNING LAMP
Turn ignition switch "ON". (Do not start engine.)
Does AWD warning lamp turn on?
YES >> GO TO 2.
NO >> Go to TF-31, "AWD Warning Lamp Does Not Turn ON When the Ignition Switch Is Turned to ON". AWD Warning Lamp Does Not Turn On When The Ignition Switch Is Turned On

2.CHECK SYSTEM FOR CAN COMMUNICATION LINE
Perform self-diagnosis. Refer to TF-22, "CONSULT-III Function (ALL MODE AWD/4WD)". Consult-III Function (All Mode AWD/4WD)
Is the "CAN COMM CIRCUIT [U1000]" displayed?
YES >> Perform trouble diagnosis for CAN communication line. Refer to TF-30, "CAN Communication Line". CAN Communication Line
NO >> GO TO 3.

3.CHECK AWD SOLENOID
Check AWD solenoid. Refer to TF-27, "AWD Solenoid". AWD Solenoid
OK or NG
OK >> GO TO 4.
NG >> Replace electric controlled coupling for malfunction of AWD solenoid.

4.CHECK AWD CONTROL UNIT
Check AWD control unit input/output signal. Refer to TF-21, "AWD Control Unit Input/Output Signal Reference Value". AWD Control Unit Input/Output Signal Reference Value
OK or NG
OK >> GO TO 5.
NG >> Check AWD control unit pin terminals for damage or loose connection with harness connector. If any items are damaged, repair or replace damaged parts.

5.SYMPTOM CHECK
Check again.
OK or NG
OK >> INSPECTION END
NG >> Replace electric controlled coupling for mechanical malfunction (mechanical engagement of clutch is not possible.).