Dodge Durango (HB). Manual - part 511

B1BB8-SRS WARNING INDICATOR STATUS MISMATCH (CONTINUED)

TEST FOR INTERMITTENT CONDITION

With the scan tool, record and erase all DTCs from all Airbag 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.

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 the active DTC in ques-
tion.

Does the scan tool display any ACTIVE DTCs?

Yes

>> Select appropriate symptom from Symptom List.

>> No problem found at this time. Erase all codes before returning vehicle to customer.

RESTRAINTS - ELECTRICAL DIAGNOSTICS

8O - 313

B1BBA-PASSENGER SEAT WEIGHT SENSOR SUPPLY CIRCUIT

For the Occupant Classification System circuit diagram (Refer to 8 - ELECTRICAL/RESTRAINTS - SCHEMATICS
AND DIAGRAMS).

For a complete wiring diagram Refer to Section 8W.

•

When Monitored:
While the CAN bus ignition status is in IGN_RUN, the module checks the sensor supply.

•

Set Condition:
If the OCM detects that the sensor supply shorted. NOTE: A shorted supply circuit will cause a ’NO
RESPONSE FROM OCM” condition.

Possible Causes

OCS SUPPLY CIRCUIT SHORTED

OCCUPANT CLASSIFICATION MODULE (OCM)

Diagnostic Test

VERIFY THAT B1BBA-PASSENGER SEAT WEIGHT SENSOR SUPPLY CIRCUIT IS ACTIVE

With the scan tool, read OCM DTCs.

Does the scan tool display active: B1BBA-PASSENGER SEAT
WEIGHT SENSOR SUPPLY CIRCUIT?

Yes

>> Replace the OCM in accordance with the Service Informa-

tion.

Perform the OCS VERIFICATION REQUIRED procedure.

>> Go To 2

INSPECT PASSENGER SEAT HARNESS WIRES & CONNECTORS

WARNING: To avoid personal injury or death, turn the ignition off, disconnect the battery and wait two min-
utes before proceeding.
Using the wiring diagram/schematic as a guide, inspect the Passenger Seat Harness wiring and connectors. Look
for chaffed, pierced, pinched, or partially broken wires and broken, bent, pushed out, spread, corroded, or contam-
inated terminals.

Are any of these conditions present?

Yes

NOTE: Do not attempt to repair the Seat Harness. Replace the Seat Harness if the condition inspecting or
testing for is present in the Seat Harness.

Replace the Passenger Seat Harness in accordance with the Service Information.

Perform OCS VERIFICATION TEST - VER 1.

>> Go To 3

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RESTRAINTS - ELECTRICAL DIAGNOSTICS

B1BBA-PASSENGER SEAT WEIGHT SENSOR SUPPLY CIRCUIT (CONTINUED)

TEST FOR AN INTERMITTENT CONDITION

With the scan tool, record and erase all DTC’s from the OCM.

If any ACTIVE codes are present they must be resolved before diag-
nosing any stored codes.

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.

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 the appropriate symptom from Symptom List.

>> No problem found at this time. Erase all codes before returning vehicle to customer.

RESTRAINTS - ELECTRICAL DIAGNOSTICS

8O - 315

B1BBC-OCS NEGATIVE SYSTEM WEIGHT

OCS SEAT WEIGHTS MRL #9077

8O - 316

RESTRAINTS - ELECTRICAL DIAGNOSTICS

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