Dodge Durango (HB). Manual — part 457
B1B18-DRIVER SIDE CURTAIN SQUIB 1 CIRCUIT LOW
HB
RESTRAINTS - ELECTRICAL DIAGNOSTICS
8O - 97
B1B18-DRIVER SIDE CURTAIN SQUIB 1 CIRCUIT LOW (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 Left Side Curtain Squib 1 circuits.
•
Set Condition:
The ORC has detected low resistance of the Left Side Curtain Squib 1 circuits.
Possible Causes
(R2) LEFT CURTAIN SQUIB 1 LINE 1 OR (R1) LEFT CURTAIN SQUIB 1 LINE 2 SHORTED TO GROUND
LEFT SIDE CURTAIN AIRBAG
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
8O - 98
RESTRAINTS - ELECTRICAL DIAGNOSTICS
HB
B1B18-DRIVER SIDE CURTAIN SQUIB 1 CIRCUIT LOW (CONTINUED)
2.
PASSENGER AIRBAG SHORTED TO GROUND
WARNING: To avoid personal injury or death, turn the ignition off,
disconnect the battery and wait two minutes before proceeding.
Disconnect the Left Side Curtain harness connector(s).
WARNING: To avoid personal injury or death, do not place an
intact undeployed curtain airbag face down on a hard surface, the
airbag will propel into the air if accidentally deployed.
NOTE: Check connectors - Clean and repair as necessary.
Connect the 8443 Load Tool and appropriate Jumper to the Left Side
Curtain Airbag harness 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 DRIVER SIDE CURTAIN SQUIB 1
CIRCUIT LOW?
Yes
>> Go To 3
No
>> Replace the Left Side Curtain Airbag in accordance with
Service Information.
Perform AIRBAG VERIFICATION TEST - VER 1
3.
(R3) LEFT CURTAIN SQUIB 1 LINE 1 OR (R1) LEFT CURTAIN SQUIB 1 LINE 2 SHORTED TO GROUND
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 Left Side Curtain
Airbag harness connector.
Disconnect the ORC 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 of the (R3) Left Curtain Squib 1 Line 1 circuit
between the Left Side Curtain Airbag Connector and ground.
Measure the resistance of the (R1) Left Curtain Squib 1 Line 2 circuit
between the Left Side Curtain Airbag Connector and ground.
Is the resistance below 10K ohms on either circuit?
Yes
>> Repair (R3) Left Curtain Squib 1 Line 1 and/or (R1) Left Curtain Squib 1 Line 2 shorted to ground.
Perform AIRBAG VERIFICATION TEST - VER 1
No
>> Go to 4
HB
RESTRAINTS - ELECTRICAL DIAGNOSTICS
8O - 99
B1B18-DRIVER SIDE CURTAIN SQUIB 1 CIRCUIT LOW (CONTINUED)
4.
OCCUPANT RESTRAINT CONTROLLER
WARNING: If the Occupant Restraint Controller 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.
8O - 100
RESTRAINTS - ELECTRICAL DIAGNOSTICS
HB
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст