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Home >> Chrysler >> 2004 >> Pacifica FWD >> Repair and Diagnosis >> Accessories & Equipment >> Exterior Lights >> Body Diagnostic Procedures - Adjustable Pedals, Airbag, Audio, Chime >> Diagnostic Information And Procedures >> Airbag >> Symptom: DRIVER SEAT BELT TENSIONER CIRCUIT OPEN >> Diagnostic Procedure

Diagnostic Procedure

DRIVER SEAT BELT TENSIONER CIRCUIT OPEN - DIAGNOSTIC PROCEDURE

TEST ACTION APPLICABILITY
1 Turn the ignition on.
NOTE: Ensure 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:
  1. ACM - ACTIVE DTC: Go To 2
  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
NOTE: Ensure the battery is fully charged.
WARNING: TURN IGNITION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BEFORE PROCEEDING.
Disconnect the Driver Seat Belt Tensioner connector.
NOTE: Check connectors - Clean and repair as necessary.
Connect the appropriate Load Tool to the Driver Seat Belt Tensioner connector.
WARNING: TURN IGNITION ON, THEN RECONNECT THE BATTERY.
With the DRBIII®, read active Airbag Control Module DTC's.Does the DRBIII® display DRIVER SBT CIRCUIT OPEN?
  1. Yes: Go To 3
  2. No: Replace Driver Seat Belt Tensioner 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 Load Tool from the Driver Seat Belt Tensioner connector.Disconnect the Airbag Control Module Connector(s).
NOTE: Check connectors - Clean and repair as necessary.
Connect the appropriate Load Tool ACM Adaptor to the Airbag Control Module connector(s).Measure the resistance of the Driver SBT Line 1 and Line 2 circuits between the Load Tool Adapter and the Driver SBT connector.Is the resistance below 1.0 ohms on both circuit?
  1. 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 .

  2. No: Repair open or high resistance in Driver Seat Belt Tensioner Line 1 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: 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: TURN THE IGNITION ON, THEN RECONNECT THE BATTERY.

With the DRBIII® monitor active codes as you work through the following steps.
WARNING: 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 circuits, rotate the steering wheel from stop to stop.
You have just attempted to simulate the condition that initially set the trouble code message.
Did the DTC become active?
  1. Yes: Select appropriate symptom from SYMPTOM LIST.
  2. No: No problem found at this time. Erase all codes before returning vehicle to customer.
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