Chrysler 300/300 Touring/300C, Dodge Magnum. Manual — part 611
•
When Monitored:
When the seat motor is activated (sensor supply voltage is switched on whenever motor is activated).
•
Set Condition:
If sensor voltage is not within a specified range this DTC will set. This DTC will only set when the seat switch
is moved in the same direction three consecutive times.
Possible Causes
(G403) DRIVER SEAT RECLINER POSITION SENSE CIRCUIT SHORTED TO GROUND
DRIVER RECLINER SEAT ADJUSTER MOTOR
MEMORY SEAT 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 recliner position three times.
With the scan tool, read DTC’s.
Does the scan tool display B1D79–SEAT RECLINER POSITION SENSOR CIRCUIT LOW?
Yes
>> Go To 2
No
>> The conditions that caused this code to set are not present at this time. Using the wiring diagram/sche-
matic as a guide, inspect the wiring and connectors.
Perform POWER SEAT SYSTEM VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/POWER
SEATS - DIAGNOSIS AND TESTING)
2.
CHECK THE (G403) DRIVER SEAT RECLINER POSITION SENSE VOLTAGE
Disconnect the Driver Recliner Seat Adjuster Motor.
NOTE: Check connectors – Clean and repair as necessary.
Move the seat switch in the recliner position during the next step.
Using a 12-volt test light connect one lead to the (G403) Driver Seat
Recliner Position Sense circuit and the other lead to Driver Seat
Recliner Position Sensor Ground at the Driver Recliner Seat Adjuster
Motor connector.
Does the test light illuminate for approximately two seconds
then turn off with the seat switch engaged?
Yes
>> Replace the Driver Recliner Seat Adjuster Motor assembly.
Perform POWER SEAT SYSTEM VERIFICATION TEST –
VER 1 (Refer to 8 - ELECTRICAL/POWER SEATS - DIAG-
NOSIS AND TESTING)
No
>> Go To 3
8N - 142
POWER SEATS - ELECTRICAL DIAGNOSTICS
LX
3.
CHECK THE (G403) DRIVER SEAT RECLINER POSITION SENSE WIRE FOR A SHORT TO GROUND
Disconnect the Memory Seat Module C2 connector.
NOTE: Check connectors – Clean and repair as necessary.
Measure the resistance of the (G403) Driver Seat Recliner Position
Sense wire at the Driver Recliner Seat Adjuster Motor connector to
ground.
Is the resistance below 1000.0 ohm?
Yes
>> Repair the (G403) Driver Seat Recliner Position Sense cir-
cuit for a short to ground.
Perform POWER SEAT SYSTEM VERIFICATION TEST –
VER 1 (Refer to 8 - ELECTRICAL/POWER SEATS - DIAG-
NOSIS AND TESTING)
No
>> Replace the Memory Seat Module.
Perform POWER SEAT SYSTEM VERIFICATION TEST –
VER 1 (Refer to 8 - ELECTRICAL/POWER SEATS - DIAG-
NOSIS AND TESTING)
LX
POWER SEATS - ELECTRICAL DIAGNOSTICS
8N - 143
B1D7A–SEAT RECLINER POSITION SENSOR CIRCUIT HIGH
For a complete wiring diagram Refer to Section 8W.
8N - 144
POWER SEATS - ELECTRICAL DIAGNOSTICS
LX
•
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
(G403) DRIVER SEAT RECLINER POSITION SENSE CIRCUIT SHORTED TO VOLTAGE
DRIVER RECLINER SEAT ADJUSTER MOTOR
MEMORY SEAT 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 recliner position three times.
With the scan tool, read DTC’s.
Does the scan tool display B1D7A–SEAT RECLINER 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/sche-
matic as a guide, inspect the wiring and connectors.
Perform POWER SEAT SYSTEM VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/POWER
SEATS - DIAGNOSIS AND TESTING)
2.
CHECK THE (G403) DRIVER SEAT RECLINER POSITION SENSE VOLTAGE
Disconnect the Driver Recliner 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 recliner positions three 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 voltage from another circuit, if OK
replace the Driver Recliner Seat Adjuster Motor assembly.
Perform POWER SEAT SYSTEM VERIFICATION TEST – VER 1 (Refer to 8 - ELECTRICAL/POWER
SEATS - DIAGNOSIS AND TESTING)
Yes
>> Inspect the position sense wire for a possible short to voltage from another circuit, if OK replace the
Memory Seat Module.
Perform POWER SEAT SYSTEM VERIFICATION TEST – VER 1 (Refer to 8 - ELECTRICAL/POWER
SEATS - DIAGNOSIS AND TESTING)
LX
POWER SEATS - ELECTRICAL DIAGNOSTICS
8N - 145
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