Dodge Durango (HB). Manual — part 412
2.
CHECK THE (G404) DRIVER SEAT FRONT VERTICAL
POSITION SENSE VOLTAGE
Disconnect the Front Driver Vertical Seat Adjuster Motor.
Note: Check connectors – Clean and repair as necessary.
Move the seat switch in the front vertical position during the next step.
Using a 12-volt test light connect one lead to the (G404) Driver Seat
Front Vertical Position Sense circuit and the other lead to the Driver
Seat Front Vertical Sensor Ground at the Front Driver Seat Adjuster
Motor connector.
Does the test light illuminate for approximately 2 seconds then
turn off with the seat switch engaged?
Yes
>> Replace the Front Driver Seat Adjuster Motor assembly.
Perform POWER SEAT SYSTEM VERIFICATION TEST –
VER 1
No
>> Go To 3
3.
CHECK THE (G404) DRIVER SEAT FRONT VERTICAL
POSITION SENSE WIRE FOR A SHORT TO GROUND
Disconnect the Seat Memory Module C3 connector.
Note: Check connectors – Clean and repair as necessary.
Measure the resistance of the (G404) Driver Seat Front Vertical Posi-
tion Sense wire at the Front Driver Vertical Seat Adjuster Motor con-
nector to ground.
Is the resistance below 1000.0 ohm?
Yes
>> Repair the (G404) Driver Seat Front Vertical Position
Sense circuit for a short to ground.
Perform POWER SEAT SYSTEM VERIFICATION TEST –
VER 1
No
>> Replace the Seat Memory Module.
Perform POWER SEAT SYSTEM VERIFICATION TEST –
VER 1
HB
POWER SEATS - ELECTRICAL DIAGNOSTICS
8N - 161
B1D71–SEAT FRONT VERTICAL POSITION SENSOR CIRCUIT LOW —
(CONTINUED)
8N - 162
POWER SEATS - ELECTRICAL DIAGNOSTICS
HB
B1D72–SEAT FRONT VERTICAL POSITION SENSOR CIRCUIT HIGH
For the Power Seat System circuit diagram(Refer to 8 - ELECTRICAL/POWER SEATS - SCHEMATICS AND DIA-
GRAMS)
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
When the seat motor is activated (sensor supply voltage is switched on whenever motor is activated).
•
Set Condition:
If during motor operation the sensor voltage is not within a specified range this code will set. This DTC
will only set when the seat switch is moved in the same direction three consecutive times.
Possible Causes
(G404) DRIVER SEAT FRONT VERTICAL POSITION SENSE CIRCUIT SHORTED TO VOLTAGE
REAR DRIVER VERTICAL SEAT ADJUSTER MOTOR
SEAT MEMORY MODULE
Diagnostic Test
1.
TEST FOR INTERMITTENT CONDITION
Turn the ignition on.
With the scan tool, record and erase DTC’s
Move the seat switch front vertical position 3 times.
With the scan tool, read DTC’s.
Does the scan tool display B1D72–SEAT FRONT VERTICAL
POSITION SENSOR CIRCUIT HIGH?
Yes
>> Go To 2
No
>> The conditions that caused this code to set are not
present at this time. Using the wiring diagram/schematic
as a guide, inspect the wiring and connectors.
Perform POWER SEAT SYSTEM VERIFICATION TEST -
VER 1.
HB
POWER SEATS - ELECTRICAL DIAGNOSTICS
8N - 163
B1D72–SEAT FRONT VERTICAL POSITION SENSOR CIRCUIT HIGH —
(CONTINUED)
2.
CHECK THE (G404) DRIVER SEAT FRONT VERTICAL
POSITION SENSE VOLTAGE
Disconnect the Front Driver Vertical Seat Adjuster Motor.
Note: Check connectors – Clean and repair as necessary.
With the scan tool erase DTC’s
Move the seat switch in the both front vertical positions 3 times.
With the scan tool, read DTC’s.
Does the same DTC reset?
No
>> Inspect the position sense wire for a possible intermittent
short to another circuit, if OK replace the Front Driver Ver-
tical Seat Adjuster Motor assembly.
Perform POWER SEAT SYSTEM VERIFICATION TEST –
VER 1
Yes
>> Inspect the position sense wire for a possible short to
another circuit, if OK replace the Seat Memory Module.
Perform POWER SEAT SYSTEM VERIFICATION TEST –
VER 1
8N - 164
POWER SEATS - ELECTRICAL DIAGNOSTICS
HB
B1D72–SEAT FRONT VERTICAL POSITION SENSOR CIRCUIT HIGH —
(CONTINUED)
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