Dodge Durango (HB). Manual — part 502
B1B8E-DRIVER SEAT TRACK POSITION SENSOR CIRCUIT HIGH
HB
RESTRAINTS - ELECTRICAL DIAGNOSTICS
8O - 277
B1B8E-DRIVER SEAT TRACK POSITION SENSOR CIRCUIT HIGH (CONTINUED)
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 and the module is configured for a Seat Track Position
Sensor, the module checks the sensor input current ranges.
•
Set Condition:
If the module detects that the sensor input is greater than or equal to 20.5 mA. This DTC may set when the
current is between 17 mA and 20.5 mA.
Possible Causes
DRIVER SEAT HARNESS IMPROPERLY ROUTED
DRIVER SEAT HARNESS WIRES CHAFFED, PIERCED, PINCHED, PARTIALLY BROKEN
DRIVER SEAT HARNESS CONNECTOR TERMINALS BROKEN, BENT, PUSHED OUT, SPREAD, CORRODED,
CONTAMINATED
(R261) SEAT POSITION SENSOR DATA-DRIVER CIRCUIT SHORTED TO VOLTAGE
(R263) SEAT POSITION SENSOR VOLTAGE-DRIVER CIRCUIT SHORTED TO VOLTAGE
(R261) SEAT POSITION SENSOR DATA-DRIVER CIRCUIT SHORTED TO (R263) SEAT POSITION SENSOR
VOLTAGE-DRVER CIRCUIT
DRIVER SEAT TRACK POSITION SENSOR
OCCUPANT CLASSIFICATION MODULE (OCM)
Diagnostic Test
1.
CHECK FOR ACTIVE INTERNAL FAULTS, IGNITION FAULTS, & BATTERY FAULTS IN THE OCCUPANT
CLASSIFICATION MODULE (OCM)
NOTE: Ensure the battery is fully charged.
NOTE: When reconnecting Airbag system components, the igni-
tion must be turned off and the battery must be disconnected.
Turn the ignition on, then off, and then on again.
With the scan tool, read Occupant Classification Module (OCM) DTCs.
Does the scan tool display any active DTCs relating to internal
faults, ignition faults, or battery faults?
Yes
>> Diagnose and repair the DTCs. Refer to the Table of Con-
tents in this Section for a complete list of symptoms.
No
>> Go To 2
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RESTRAINTS - ELECTRICAL DIAGNOSTICS
HB
B1B8E-DRIVER SEAT TRACK POSITION SENSOR CIRCUIT HIGH (CONTINUED)
2.
VERIFY THAT DTC B1B8E-DRIVER SEAT TRACK POSITION SENSOR CIRCUIT HIGH IS ACTIVE
With the scan tool, read OCM DTCs.
Does the scan tool display active: B1B8E-DRIVER SEAT TRACK
POSITION SENSOR CIRCUIT HIGH?
Yes
>> Go To 3
No
>> Go To 8
3.
INSPECT DRIVER SEAT HARNESS WIRES & CONNECTORS
With the scan tool, erase OCM DTCs.
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 Driver Seat Harness wiring and connectors. Look for
chaffed, pierced, pinched, or partially broken wires and broken, bent, pushed out, spread, corroded, or contaminated
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 Driver Seat Harness in accordance with the Service Information.
Perform OCS VERIFICATION TEST - VER 1.
No
>> Go To 4
4.
VERIFY THAT DRIVER SEAT HARNESS IS ROUTED CORRECTLY
Verify that the Driver Seat Harness is routed correctly.
Is the Driver Seat Harness routed correctly?
Yes
>> Go To 5
No
>> Reroute the Driver Seat Harness as necessary.
Perform OCS VERIFICATION TEST - VER 1.
HB
RESTRAINTS - ELECTRICAL DIAGNOSTICS
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B1B8E-DRIVER SEAT TRACK POSITION SENSOR CIRCUIT HIGH (CONTINUED)
5.
CHECK FOR DTC B1B8E-DRIVER SEAT TRACK POSITION SENSOR CIRCUIT HIGH WITH DRIVER SEAT
TRACK POSITION SENSOR DISCONNECTED
WARNING: To avoid personal injury or death, turn the ignition off,
disconnect the battery and wait two minutes before proceeding.
Disconnect the Driver Seat Track Position Sensor connector.
WARNING: To avoid personal injury or death, turn the ignition on,
then reconnect the battery.
Wait two minutes, and then with the scan tool, read OCM DTCs.
Does the scan tool display: B1B8E-DRIVER SEAT TRACK POSI-
TION SENSOR CIRCUIT HIGH?
Yes
>> Go To 6
No
>> Replace the Driver Seat Track Position Sensor in accor-
dance with the service information.
Perform the OCS VERIFICATION TEST-VER 1.
6.
CHECK (R261) SEAT POSITION SENSOR DATA-DRIVER CIRCUIT & (R263) SEAT POSITION SENSOR
VOLTAGE-DRIVER CIRCUIT FOR A SHORT TO VOLTAGE
WARNING: To avoid personal injury or death, turn the ignition off,
disconnect the battery and wait two minutes before proceeding.
Disconnect the OCM C1 connector.
WARNING: To avoid personal injury or death, turn the ignition on,
then reconnect the battery.
Measure the voltage of the (R261) Seat Position Sensor Data-Driver
circuit.
Measure the voltage of the (R263) Seat Position Sensor Voltage-
Driver circuit.
Is the voltage above 0.2 volts on either circuit?
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 Driver Seat Harness in accordance with the
Service Information.
Perform the OCS VERIFICATION TEST-VER 1.
No
>> Go To 7
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RESTRAINTS - ELECTRICAL DIAGNOSTICS
HB
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