Transfer Control Unit

Transfer Control Unit

DIAGNOSTIC PROCEDURE
1. INSPECTION START
Do you have CONSULT-II?

YES or NO
YES >> GO TO 2.
NO >> GO TO 3.

2. PERFORM SELF-DIAGNOSIS (WITH CONSULT-II)
With CONSULT-II
1. Turn ignition switch "ON". (Do not start engine.)
2. Select "SELF-DIAG RESULTS" mode for "ALL MODE AWD/4WD" with CONSULT-II.
3. Touch "ERASE".
4. Turn ignition switch "OFF" and wait at least 10 seconds.
5. Perform the self-diagnosis again.

Is the "CONTROL UNIT 1 (P1802)", "CONTROL UNIT 2 (P1803)", "CONTROL UNIT 3 (P1804)" or "CONTROL UNIT 4 (P1809)" displayed?
YES >> Replace transfer control unit.
NO >> Inspection End.

3. PERFORM SELF-DIAGNOSIS (WITHOUT CONSULT-II)
Without CONSULT-II
1. Perform the self-diagnosis and then erase self-diagnostic results. Refer to "SELF-DIAGNOSTIC PROCEDURE (WITHOUT CONSULT-II)" and TF-53. "ERASE SELF-DIAGNOSIS".
2. Perform the self-diagnosis again.

Do the self-diagnostic results indicate AD converter?
YES >> Replace transfer control unit.
NO >> Inspection End.