P1811

P1811 POWER SUPPLY CIRCUIT FOR AWD CONTROL MODULE

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
1.Turn the ignition switch OFF to ON.
2.Perform self-diagnosis for "ALL MODE AWD/4WD".
Is DTC "P1811" detected?
YES- Proceed to .
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 POWER SUPPLY (3)

1.Turn the ignition switch OFF.
2.Check the voltage between AWD control module harness connector and ground.





3.Turn the ignition switch ON.

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





Is the inspection result normal?
YES- GO TO 5.
NO- GO TO 4.

4. CHECK AWD CONTROL MODULE POWER SUPPLY (4)

1.Turn the ignition switch OFF.
2.Check the 10A fuse (#3).
3.Check the harness for open or short between AWD control module harness connector No.3 terminal and
10A (#3).
Is the inspection result normal?
YES- Perform the trouble diagnosis for ignition power supply circuit. Ignition Power Supply.
NO- Repair or replace error-detected parts.

5. 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 6.
NO- Repair or replace error-detected parts.

6. CHECK TERMINALS AND HARNESS CONNECTORS

Check the AWD control module pin terminals for damage or loose connection with harness connector.
Is the inspection result normal?
YES- Replace AWD control module. Removal And Installation.
NO- Repair or replace error-detected parts.