Diagnostic Test

1. 1)  CHECK FOR OCCUPANT CLASSIFICATION MODULE (OCM) ACTIVE DTCs: 
   • ACTIVE INTERNAL FAULTS
   • IGNITION FAULTS
   • BATTERY FAULT
   • SEAT WEIGHT SENSOR DTCs

Turn the ignition on, then off, and then on again.

With the scan tool, read Occupant Classification Module (OCM) DTCs.

Does the scan tool display any active DTCs listed above? 

Yes 

1. Diagnose and repair the DTCs. Refer to DIAGNOSTIC CODE INDEX for a complete list of symptoms.

No 

1. Go To 2.

1. 2)  VERIFY THAT DTC B1BA7-OCCUPANT CLASSIFICATION SYSTEM VERIFICATION REQUIRED IS ACTIVE 

   With the scan tool, read OCM DTCs.

   Does the scan tool display active: B1BA7-OCCUPANT CLASSIFICATION SYSTEM VERIFICATION REQUIRED? 

   Yes 

   1. Go To 3.

   No 

   1. Go To 4.
2. 3)  PERFORM OCCUPANT CLASSIFICATION MODULE SYSTEM VERIFICATION TEST 

   Verify that the passenger seat is empty.

   Perform a visual inspection of the Passenger Seat, wiring, connectors, risers, sensors, and retainers. Look for chafed, pierced, pinched, or partially broken wires and broken, bent, pushed out, spread, corroded, or contaminated terminals. Also, inspect for damaged or bent risers, a damaged or bent seat and seat structure, damaged or bent seat tracks, and damaged or loose sensors. Repair or replace any problems found in accordance with the service information and then continue this procedure. Refer to SEATS .

   NOTE: Failure to follow the test instructions or aborting the test will cause faults to set when performing the Occupant Classification 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 Proceeding To Allow The System To Stabilize; Only Press Scan Tool Buttons When Directed To Do So; and Perform The Occupant Classification 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 active: B1BA7-OCCUPANT CLASSIFICATION SYSTEM VERIFICATION REQUIRED? 

   Yes 

   1. Perform the *DIAGNOSIS AND CHECKOUT PROCEDURE FOR SEAT WEIGHT SENSORS .
   2. Perform *OCS VERIFICATION TEST - VER 1 .

   No, But Other DTCs Present 

   1. Diagnose and repair the DTCs. Refer to DIAGNOSTIC CODE INDEX for a complete list of symptoms.

   No Active DTCs Present 

   1. Perform *OCS VERIFICATION TEST - VER 1 .
3. 4)  CHECK FOR ACTIVE DTC B1BA8-OCM SYSTEM OUT OF CALIBRATION/NOT CALIBRATED 

   With the scan tool, read OCM DTCs.

   Does the scan tool display active: B1BA8-OCM SYSTEM OUT OF CALIBRATION/NOT CALIBRATED? 

   Yes 

   1. Diagnose and repair the DTCs. Refer to DIAGNOSTIC CODE INDEX for a complete list of symptoms.

   No 

   1. Perform *OCS VERIFICATION TEST - VER 1 .