Diagnostic Procedure
LEFT CURTAIN OR SEAT SQUIB CIRCUIT OPEN SYMPTOM CHART
| TEST | ACTION | APPLICABILITY |
|---|---|---|
| 1 | Turn the ignition on.
NOTE:
Ensure that the battery is fully charged.
NOTE:
For the purpose of this test, the AECM and ORC modules will be referred to as an ACM. SELECT ACTIVE or STORED DTC: ACM - ACTIVE DTC Go To 2 ACM - STORED DTC Go To 4
NOTE:
When reconnecting Airbag system components, the ignition must be turned off and the battery must be disconnected.
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| 2 |
WARNING:
TURN IGNITION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BEFORE PROCEEDING. Disconnect the Left Curtain or Seat Airbag connector.
WARNING:
DO NOT PLACE AN INTACT UNDEPLOYED CURTAIN AIRBAG FACE DOWN ON A HARD SURFACE, THE AIRBAG WILL PROPEL INTO THE AIR IF ACCIDENTALLY DEPLOYED, AND COULD RESULT IN SERIOUS OR FATAL INJURY. Connect the appropriate Load Tool to the Left Curtain or Seat Airbag connector.
WARNING:
TURN IGNITION ON, THEN RECONNECT THE BATTERY.
NOTE:
Check connectors - Clean and repair as necessary. With the DRBIII®, read active Airbag Control Module DTC's.Does the DRBIII® show LEFT CURTAIN OR SEAT SQUIB SEAT OPEN?Yes --> Go To 3No --> Replace Left Curtain or Seat Airbag in accordance with the Service Information.Perform AIRBAG VERIFICATION TEST - VER 1
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| 3 |
WARNING:
TURN IGNITION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BEFORE PROCEEDING. Disconnect the Airbag Load Tool from the Left Curtain or Seat Airbag connector.Disconnect the Airbag Control Module Connector(s).
NOTE:
Check connectors - Clean and repair as necessary. Connect the appropriate Load Tool ACM Adapter to the Airbag Control Module connector(s).Measure the resistance of the Left Curtain or Seat Squib Line 1 and Line 2 circuit.Is the resistance below 1.0 ohms on both circuits?Yes --> Replace the Airbag Control Module in accordance with the Service information. WARNING: IF THE AIRBAG CONTROL MODULE IS DROPPED AT ANY TIME, IT MUST BE REPLACED.Perform AIRBAG VERIFICATION TEST - VER 1
.No --> Repair open or high resistance in the Left Curtain or Seat Squib Line 1 or Line 2 circuits.Perform AIRBAG VERIFICATION TEST - VER 1
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| 4 | With the DRBIII®, record and erase all DTC's from all Airbag modules. If equipped with Passenger Airbag On - Off switch, read the DTC's in all switch positions. If any ACTIVE codes are present they must be resolved before diagnosing any stored codes.
WARNING:
TO AVOID PERSONAL INJURY OR DEATH, 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 chaffed, 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 PERSONAL INJURY OR DEATH, TURN THE IGNITION ON, THEN RECONNECT THE BATTERY. With the DRBIII® monitor active codes as you work through the following steps.
WARNING:
TO AVOID PERSONAL INJURY OR DEATH, 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 --> Select appropriate symptom from Symptom List. No --> No problem found at this time. Erase all codes before returning vehicle to customer. |
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