P181B

P181B INCOMPLETE SELFSHUT





DTC Logic

DTC DETECTION LOGIC






DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If "DTC CONFIRMATION PROCEDURE" has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.
- GO TO 2.
2.PERFORM DTC CONFIRMATION
With CONSULT-III
1. Turn the ignition switch OFF, and wait for several seconds.
2. Perform self-diagnosis for "ALL MODE AWD/4WD".
Is DTC "P181B" detected?
YES - Proceed to SEE Diagnosis Procedure.
NO - INSPECTION END




Diagnosis Procedure
1.CHECK AWD CONTROL MODULE POWER SUPPLY (1)
1. Turn the ignition switch OFF.
2. Disconnect AWD control module harness connector.
3. Check the voltage between AWD control module harness connector and ground.





4. Turn the ignition switch ON.

CAUTION:
Never start the engine.
5. Check the voltage between AWD control module harness connector and ground.





Is the inspection result normal?
YES - GO TO 3.
NO - GO TO 2.
2.CHECK AWD CONTROL MODULE POWER SUPPLY (2)
1. Turn the ignition switch OFF.
2. Check the 10A fuse (#33).
3. Check the harness for open or short between AWD control module harness connector No.1 terminal and
10A (#33).
Is the inspection result normal?
YES - Perform the trouble diagnosis for power supply circuit. Battery Power Supply.
NO - Repair or replace error-detected parts.
3.CHECK AWD CONTROL MODULE GROUND
1. Turn the ignition switch OFF.
2. Check the continuity between AWD control module harness connector and ground.





Is the inspection result normal?
YES - GO TO 4.
NO - Repair or replace error-detected parts.
4.CHECK TERMINALS AND HARNESS CONNECTORS
Check AWD control module pin terminals for damage or loose connection with harness connector.
Is inspection result normal?
YES - After turning the ignition switch OFF, perform DTC confirmation procedure again. If DTC "P181B" is detected, Replace AWD control module. .
NO - Repair or replace error-detected parts.