B1BA8-OCM SYSTEM OUT OF CALIBRATION/NOT CALIBRATED
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
While the CAN bus ignition status is IGN_RUN or SNA.
•
Set Condition:
This DTC will set if the module has initiated a rezero and did not successfully complete the system verification.
Diagnostic Test
1.
PERFORM OCCUPANT CLASSIFICATION MODULE SYSTEM VERIFICATION TEST
Verify that the passenger seat is empty.
Verify that all of the Seat Weight Sensor mounting screws are torqued
to specification. Refer to 23 - BODY/SEATS.
NOTE: Failure to follow the test instructions or aborting the test
will cause faults to set when performing the Occupant Classifica-
tion Module System Verification Test. To prevent faults due to
process errors: Verify That All Tests Steps That Led You Here
Were Performed As Directed; Verify That The Ignition Is In Run;
Wait 30 Seconds After Changing The Seat Weight Before Pro-
ceeding To Allow The System To Stabilize; Only Press Scan Tool
Buttons When Directed To Do So; & Perform The Occupant Clas-
sification Module System Verification Test To Completion.
With the scan tool in OCM, select More Options, select System Tests,
and select Occupant Classification Module System Verification Test.
Run the test by following the instructions displayed on the scan tool.
When the test is complete, proceed as follows.
With the scan tool, read OCM DTCs.
Does the scan tool display any active DTCs?
Yes - B1BA8 DTC Returned
Perform the *Diagnosis/Checkout Procedure For Seat Weight Sensors.
Yes - But Other DTCs Present
Diagnose and repair the DTCs. Refer to the Table of Contents in this Section for a complete list of
symptoms.
No - Active DTCs Present
Perform OCS VERIFICATION TEST - VER 1.
HB
RESTRAINTS - ELECTRICAL DIAGNOSTICS
8O - 309