2007 Liberty KJ Factory Service Manual 8 - ELECTRICAL

SYSTEM VERIFICATION REQUIRED

For a complete wiring diagram Refer to Section 8W.



Possible Causes
  
AIRBAG, CURTAIN, OR SEAT BELT TENSIONER DEPLOYED
  
SEAT REPLACED
  
OCS BLADDER AND CUSHION KIT INSTALLED
  
OCM
  



Diagnostic Test

1. DETERMINE ACTIVE OR STORED DTC

NOTE: Verify that the scan tool has the latest software update before proceeding with this test.

NOTE: Ensure that the battery is fully charged.


Turn the ignition on.

SELECT ACTIVE or STORED DTC:

ACTIVE DTC


STORED DTC

2. VERIFY IF AN AIRBAG, CURTAIN, OR SEAT BELT TENSIONER DEPLOYED

Turn the ignition off.
Verify if an airbag, curtain, or seat belt tensioner deployed.

Has an airbag, curtain, or seat belt tensioner deployed?

Yes


No

3. VERIFY IF OTHER OCS DTCs ARE ACTIVE

Verify if any of the following OCS DTCs are active:

Are any of these DTCs active?

Yes


No

4. PERFORM THE OCS VERIFICATION SYSTEM TEST

CAUTION: Do not perform this test step unless directed here by the previous test steps.

NOTE: The OCS Verification system test requires the use of special tool OCS Seat Weights MRL 9077.

NOTE: Verify that the vehicle's interior temperature and the passenger seat temperature are between 12.77°C (55°F) and 35°C (95°F) for at least 30 minutes before proceeding with this test.

NOTE: Active DTCs will set in the OCM until the scan tool displays the words The OCS has been Verified.


Verify that the front passenger seat is empty and the seat belt is retracted.
Turn the ignition off, wait 15 seconds, then turn the ignition on.
With the scan tool in OCM, select System Test and then select Verify OCS.

Select the result:

The OCS has been Verified


Test Failed - No EOL Calibration


Test Failed - K Allow is FF


Test Failed - K Empty Count is 0


Test Failed - Active DTCs Present


Test Failed - Temperature Out of Range


Test Failed - Seat Pressure Too High


Test Failed - Seat Pressure Too Low


Test Failed - Power Up Time Too Short


Test Failed - Power Up Time Too Long


Test Failed - Seat Pressure Not Stable


Test Failed - Seat is Empty


Test Failed - Weight Above Threshold


Test Failed - Weight Below Threshold


Test Failed - Seat Occupied

5. REPLACE THE OCS BLADDER AND CUSHION KIT

WARNING: If the Occupant Classification Module (OCM) is dropped at any time, it must be replaced. Failure to take the proper precautions could result in accidental airbag deployment and personal injury or death.

WARNING: To avoid personal injury or death, turn the ignition off, disconnect the battery and wait two minutes before proceeding.

NOTE: The Occupant Classification Module (OCM) and the Passenger Seat Bladder and Cushion Kit are the only serviceable OCS components.





Repair
  • Replace the OCS Bladder and Cushion Kit in accordance with the Service information. Then, perform the System Verification Required test again to remove the DTC that set from making this repair.

6. PERFORM THE OCS VERIFICATION SYSTEM TEST AGAIN

With the scan tool in OCS, select System Test and then select OCS Verification.
  • Follow the directions displayed on the scan tool.
  • Allow 30 seconds for the seat to stabilize after adding or removing weight from the seat before continuing with the test.
  • Active DTCs will set in the OCM until the scan tool displays the words “The OCS has been Verified.”
  • Proceed as follows when the test is complete.


Select the result:

The OCS has been Verified
  • The OCS has passed the test and the repair is complete.
  • Perform *AIRBAG SYSTEM VERIFICATION TEST - VER 1.


Test Failed

  • WARNING: If the Occupant Classification Module (OCM) is dropped at any time, it must be replaced. Failure to take the proper precautions could result in accidental airbag deployment and personal injury or death.

    WARNING: To avoid personal injury or death, turn the ignition off, disconnect the battery and wait two minutes before proceeding.

    NOTE: The Occupant Classification Module (OCM) and the Passenger Seat Bladder and Cushion Kit are the only serviceable OCS components.

  • Replace the OCS Bladder and Cushion Kit in accordance with the Service information. Then, perform the System Verification Required test again to remove the DTC that set from making this repair.
  • Perform *AIRBAG SYSTEM VERIFICATION TEST - VER 1.

7. ERASE THE STORED DTC AND THEN CHECK IF DTC SETS ACTIVE

NOTE: Diagnose and repair all active codes before diagnosing stored codes. Refer to the Table of Contents in this Section for a complete list of airbag system diagnostic procedures.


With the scan tool, record and erase OCM DTCs.
Turn the ignition off, wait 15 seconds, then turn the ignition on.
Wait one minute before proceeding.
With the scan tool, read active DTCs.

Does the scan tool display any ACTIVE DTCs?

Yes
  • Select the appropriate diagnostic procedure from the Table of Contents in this section.


No
  • No problem found at this time. Erase all codes before returning the vehicle to the customer.