Diagnostic Test

1) VERIFY THAT A LEFT FRONT IMPACT SENSOR DTC IS ACTIVE
NOTE: Ensure the battery is fully charged.

Turn the ignition on.

With the scan tool, read ORC DTCs.

Does the scan tool display active DTC: B10A1-DRIVER/PASSENGER FRONT IMPACT SENSOR-INCORRECT SUPPLIER [ZH]?

Yes
1. Go to step 2).
No
1. Go to step 3).
2) VERIFY THE FRONT IMPACT SENSOR SIGNAL SUPPLIER PART NUMBERS
WARNING: To avoid serious or fatal injury, turn the ignition off, disconnect the battery and wait two minutes before proceeding.

Gain access to the both front impact sensors to read the sensor part numbers.

NOTE: It may be necessary to disconnect the wiring and the sensor to read the part number.

Verify the both front impact sensor part numbers.

Is the part number correct on both front impact sensors?

Yes
1. Replace the Occupant Restraint Controller (ORC) in accordance with Service Information in accordance with the Service Information.
2. Perform *AIRBAG VERIFICATION TEST .
No
1. Replace the (incorrect part number) front impact sensor(s) in accordance with Service Information in accordance with the Service Information.
2. Perform *AIRBAG VERIFICATION TEST .
3) TEST FOR AN INTERMITTENT CONDITION
With the scan tool, record and erase all DTC's from all Airbag modules.

If any ACTIVE codes are present they must be resolved before diagnosing any stored codes.

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

Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.

Look for chafed, pierced, pinched, or partially broken wires and broken, bent, pushed out, spread, corroded, or contaminated terminals.

The following additional checks may assist you in identifying a possible intermittent problem.

Reconnect any disconnected components and harness connector.

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

With the scan tool monitor active codes as you work through the following steps.

WARNING: To avoid serious or fatal injury, maintain a safe distance from all airbags while performing the following steps.

Wiggle the wiring harness and connectors of the related airbag circuit or component.

If codes are related to the Driver Airbag circuits, rotate the steering wheel from stop to stop.

If only stored codes return continue the test until the problem area has been isolated.

In the previous steps you have attempted to recreate the conditions responsible for setting active DTC in question.

Are any ACTIVE DTCs present?

Yes
1. Select the appropriate symptom from Symptom List.
No
1. No problem found at this time. Erase all codes before returning vehicle to customer.