Dodge Durango (HB). Manual — part 472
B1B2F-1st ROW PASSENGER SEAT BELT PRETENSIONS CIRCUIT SHORT
TOGETHER
HB
RESTRAINTS - ELECTRICAL DIAGNOSTICS
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B1B2F-1st ROW PASSENGER SEAT BELT PRETENSIONS CIRCUIT SHORT TOGETHER (CONTINUED)
For the Air Bag System circuit diagram (Refer to 8 - ELECTRICAL/RESTRAINTS - SCHEMATICS AND DIA-
GRAMS).
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
With the ignition on, the ORC monitors the resistance of the Passenger Seat Belt Tensioner circuits.
•
Set Condition:
The ORC has detected low resistance between the Passenger Seat Belt Tensioner circuits.
Possible Causes
(R56) PASSENGER SEAT BELT TENSIONER LINE 1 SHORTED TO (R54) PASSENGER SEAT BELT
TENSIONER LINE 2
PASSENGER SEAT BELT TENSIONER
OCCUPANT RESTRAINT CONTROLLER
Diagnostic Test
1.
DETERMINE ACTIVE OR STORED DTC
NOTE: Ensure the battery is fully charged.
NOTE: The Scan Tool, SRS Airbag Load Tool MRL 8443 and
DVOM are required to perform the following test.
NOTE: When reconnecting airbag system components the Igni-
tion must be turned off and the Battery must be disconnected.
Select Active or Stored DTC.
Is the DTC active or stored?
ORC - ACTIVE DTC
Go To 2
ORC - STORED DTC
Go To 5
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RESTRAINTS - ELECTRICAL DIAGNOSTICS
HB
B1B2F-1st ROW PASSENGER SEAT BELT PRETENSIONS CIRCUIT SHORT TOGETHER (CONTINUED)
2.
PASSENGER SEAT BELT TENSIONER SHORTED TOGETHER
WARNING: To avoid personal injury or death, turn the ignition off,
disconnect the battery and wait two minutes before proceeding.
Disconnect the Passenger Seat Belt Tensioner harness connector(s).
NOTE: Check connectors - Clean and repair as necessary.
Connect the 8443 Load Tool and appropriate Jumper to the Passenger
Airbag connector(s).
WARNING: To avoid personal injury or death, turn the ignition on
then reconnect the battery.
With the scan tool, read the active Occupant Restraint Controller
DTC’s.
Does the scan tool display 1st ROW PASSENGER SEAT BELT
PRETENSIONER CIRCUIT SHORT TOGETHER?
Yes
>> Go to 3
No
>> Replace the Passenger Seat Belt Tensioner in accordance
with Service Information.
Perform AIRBAG VERIFICATION TEST - VER 1
3.
(R56) PASSENGER SEAT BELT TENSIONER LINE 1 SHORTED TO (R54) PASSENGER SEAT BELT
TENSIONER LINE 2
WARNING: To avoid personal injury or death, turn the ignition off,
disconnect the battery and wait two minutes before proceeding.
Disconnect the 8443 Load Tool and Jumper from the Passenger Seat
Belt Tensioner harness connector(s).
Disconnect the Occupant Restraint Controller harness connector(s).
NOTE: Check connectors - Clean and repair as necessary.
Connect the 8443 Load Tool ORC Adaptor to the ORC harness con-
nector.
Measure the resistance between the (R56) Passenger Seat Belt Ten-
sioner Line 1 and (R54) Passenger Seat Belt Tensioner Line 2 at the
Passenger Seat Belt Tensioner harness connector.
Is the resistance below 10K ohms?
Yes
>> Repair the (R56) Passenger Seat Belt Tensioner Line 1 shorted to the (R54) Passenger Seat Belt Ten-
sioner Line 2 circuit.
Perform AIRBAG VERIFICATION TEST - VER 1
No
>> Go to 4
HB
RESTRAINTS - ELECTRICAL DIAGNOSTICS
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B1B2F-1st ROW PASSENGER SEAT BELT PRETENSIONS CIRCUIT SHORT TOGETHER (CONTINUED)
4.
OCCUPANT RESTRAINT CONTROLLER
WARNING: If the Airbag Control Module is dropped at any time, it must be replaced. Failure to take the
proper precautions can result in accidental airbag deployment and personal injury or death.
NOTE: When reconnecting airbag system components the Ignition must be turned off and the Battery must
be disconnected.
If there are no possible causes remaining, view repair.
Repair
Replace the Occupant Restraint Controller in accordance with Service Information.
Perform AIRBAG VERIFICATION TEST - VER 1
5.
STORED ORC DTC
With the scan tool, record and erase all DTC’s from all Airbag System
Modules.
If any ACTIVE codes are present they must be resolved before diag-
nosing 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 bro-
ken, bent, pushed out, spread, corroded, or contaminated terminals.
The following additional checks may assist you in identifying a possi-
ble 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 scan tool monitor active codes as you work through the fol-
lowing 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 DTC’s 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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RESTRAINTS - ELECTRICAL DIAGNOSTICS
HB
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