Chrysler Pacifica. Manual — part 52
TEST
ACTION
APPLICABILITY
13
With the DRBIII
t, 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 IGNI-
TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE-
FORE 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 IGNI-
TION ON, THEN RECONNECT THE BATTERY.
With the DRBIII
t 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?
All
Yes
→ Select appropriate symptom from Symptom List.
No
→ No problem found at this time. Erase all codes before returning
vehicle to customer.
205
AIRBAG
PASSENGER AIRBAG OFF INDICATOR CIRCUIT SHORT TO GROUND —
Continued
Symptom List:
PASSENGER BTS OPEN
PASSENGER BTS SHORT TO BATTERY
PASSENGER BTS SHORT TO GROUND
PASSENGER BTS SHORT TOGETHER
Test Note:
All symptoms listed above are diagnosed using the same tests.
The title for the tests will be PASSENGER BTS OPEN.
When Monitored and Set Condition:
PASSENGER BTS OPEN
When Monitored:
With the ignition on, the module monitors the Belt Tension Sensor
signal.
Set Condition:
This DTC will set if the BTS signal follows the reference voltage.
PASSENGER BTS SHORT TO BATTERY
When Monitored:
With the ignition on, the module performs internal tests on the input
signal from the BTS.
Set Condition:
This DTC will set if the input signal from the BTS is greater than 233 A/D
counts.
PASSENGER BTS SHORT TO GROUND
When Monitored:
With the ignition on, the module performs internal tests on the input
signal from the BTS.
Set Condition:
This DTC will set if the input signal from the BTS is less than 13 A/D
counts.
PASSENGER BTS SHORT TOGETHER
When Monitored:
With the ignition on, the module performs internal tests on the input
signal from the BTS.
Set Condition:
This DTC will set if the module determines that any one of the three input
lines to the BTS has the same value as another line. This fault will often be set with the
BTS Short to Ground, BTS Short to Battery, and BTS Open faults.
POSSIBLE CAUSES
SENSOR SIGNAL AND GROUND SHORTED TOGETHER
BTS CONNECTOR DISCONNECTED
OCS BLADDER REPAIR KIT
STORED CODE OR INTERMITTENT CONDITION
ACTIVE CODE PRESENT
206
AIRBAG
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:
All
ACM - ACTIVE DTC
ACM - STORED DTC
NOTE: When reconnecting Airbag system components, the ignition must be
turned off and the battery must be disconnected.
2
WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI-
TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE-
FORE PROCEEDING.
Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
Is the BTS disconnected?
All
Yes
→ Go To 3
No
→ Go To 4
3
WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI-
TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE-
FORE PROCEEDING.
If there are no possible causes remaining, view repair.
All
Repair:
Reconnect the BTS connector.
Perform OCS VERIFICATION TEST - VER 1.
NOTE: When reconnecting Airbag system components, the ignition must be
turned off and the battery must be disconnected.
4
Disconnect the front passenger BTS connector.
NOTE: The following repair will cause Active DTCs to be set in the OCM,
perform the Verification Required test to remove DTCs created by this
repair.
Does the DRB report an active
9BTS OPEN DTC9 with no other active BTS DTCs?
All
Yes
→ Go To 5
No
→ Go To 7
5
WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI-
TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE-
FORE PROCEEDING.
Connect a jumper wire between the BTS Power circuit and Ground circuit at the seat
harness BTS connector.
WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN IGNITION
ON, THEN RECONNECT THE BATTERY.
With the DRBIII
t, read the OCS active DTCs.
Did DRB report Active BTS SHORTED DTCs change?
All
Yes
→ Go To 6
No
→ Go To 7
207
AIRBAG
PASSENGER BTS OPEN —
Continued
TEST
ACTION
APPLICABILITY
6
WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI-
TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE-
FORE PROCEEDING.
Connect a jumper wire between the BTS Signal circuit and ground circuit at the BTS
connector.
WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN IGNITION
ON, THEN RECONNECT THE BATTERY.
With the DRBIII
t, read the OCS active DTCs.
Did DRB display active BTS SHORTED TOGETHER DTCs?
All
Yes
→ Replace the Front Passenger Seat Belt Retractor and BTS.
Perform OCS VERIFICATION TEST - VER 1.
No
→ Go To 7
7
WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI-
TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE-
FORE PROCEEDING.
WARNING: IF THE OCCUPANT CLASSIFICATION MODULE IS DROPPED
AT ANY TIME, IT MUST BE REPLACED. FAILURE TO TAKE THE PROPER
PRECAUTIONS COULD RESULT IN ACCIDENTAL AIRBAG DEPLOYMENT
AND PERSONAL INJURY OR DEATH.
WARNING: TO AVOID PERSONAL INJURY OR DEATH ON VEHICLES
EQUIPPED WITH THE OCCUPANT CLASSIFICATION SYSTEM (OCS),
ONLY THE OCCUPANT CLASSIFICATION MODULE (OCM) AND THE PAS-
SENGER SEAT BLADDER AND CUSHION SERVICE KIT ARE THE ONLY
PARTS SERVICED.
Follow all service information for replacing the Service Kit and performing the
Verification Required test over again.
NOTE: the following repair will cause Active DTCs to be set in the OCM,
perform the Verification Required test to remove DTCs created by this
repair.
If there are no possible causes remaining, view repair.
All
Repair:
Replace the OCS Bladder Repair Kit in accordance with service
information. Then perform the Verification Required test to re-
move DTC created by the repair.
Perform OCS VERIFICATION TEST - VER 1.
NOTE: When reconnecting Airbag system components, the ignition must be
turned off and the battery must be disconnected.
208
AIRBAG
PASSENGER BTS OPEN —
Continued
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