Occupant Classification Module (OCM) System Verification Test

*OCCUPANT CLASSIFICATION MODULE SYSTEM VERIFICATION TEST

Diagnostic Test

1. PERFORM THE *OCM SYSTEM VERIFICATION TEST
NOTE: Ensure that the battery is fully charged.

NOTE: The Occupant Classification Seat Weights 9077 are required to perform this test.

Remove any special tools or jumper wires and reconnect all previously disconnected components - except the battery.

WARNING: To avoid serious or fatal injury, turn the ignition on, then reconnect the battery.

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, wait two minutes, and then proceed as follows.
With the scan tool, read OCM DTCs.
Does the scan tool display any active: PASSENGER SEAT WEIGHT SENSOR DTCs?

Yes

- Go To 2

No

- Perform *AIRBAG SYSTEM VERIFICATION TEST - VER 1 Airbag System Verification Test.

Diagnostic Test

2. PERFORM THE OCCUPANT CLASSIFICATION MODULE SYSTEM VERIFICATION TEST
WARNING: To avoid serious or fatal injury, turn the ignition off, disconnect the battery and wait two minutes before proceeding.

Verify that all of the Seat Weight Sensor mounting screws are tightened to specification.

WARNING: To avoid serious or fatal injury, turn the ignition on, then reconnect the battery.

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, wait two minutes, and then proceed as follows.
With the scan tool, read OCM DTCs.
Does the scan tool display any active DTCs?

Yes

- Diagnose and repair the DTCs.


No

- Perform *AIRBAG SYSTEM VERIFICATION TEST - VER 1 Airbag System Verification Test.