Chrysler 300/300 Touring/300C, Dodge Magnum. Manual — part 606
B1D63–POWER SEAT SWITCH OPEN
For a complete wiring diagram Refer to Section 8W.
8N - 122
POWER SEATS - ELECTRICAL DIAGNOSTICS
LX
•
When Monitored:
Continuously.
•
Set Condition:
When the Memory Seat Module detects an open driver seat switch MUX circuit this code will set.
Possible Causes
(P239) DRIVER SEAT REAR VERTICAL/HORIZONTAL SWITCH MUX OPEN
(P339) DRIVER SEAT FRONT VERTICAL/RECLINER SWITCH MUX OPEN
(P599) DRIVER SEAT SWITCH MUX RETURN OPEN
DRIVER SEAT SWITCH
MEMORY SEAT MODULE
Diagnostic Test
1.
TEST FOR INTERMITTENT CONDITION
Turn the ignition on.
With the scan tool, record and erase DTC’s
Press the Seat Switch in all directions several times.
Wait one minute.
With the scan tool, read DTC’s.
Does the scan tool display B1D63–POWER SEAT SWITCH OPEN?
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 (P239) DRIVER SEAT REAR VERTICAL/HORIZONTAL SWITCH MUX CIRCUIT RESISTANCE
Disconnect the Memory Seat Module C4 connector.
NOTE: Check connectors - Clean and repair as necessary.
Measure the resistance between the (P239) Driver Seat Rear Vertical/
Horizontal Switch MUX circuit and the (P599) Driver Seat Switch MUX
Return circuit in the C4 connector.
Is the resistance 47.0 ohms + or – 1.0?
Yes
>> Go To 3
No
>> Go To 5
LX
POWER SEATS - ELECTRICAL DIAGNOSTICS
8N - 123
3.
CHECK THE (P339) DRIVER SEAT FRONT VERTICAL/RECLINER SWITCH MUX CIRCUIT RESISTANCE
Measure the resistance between the (P339) Driver Seat Front Vertical/
Recliner Switch MUX circuit and the (P599) Driver Seat Switch MUX
Return circuit in the C4 connector.
Is the resistance 47.0 ohms + or – 1.0?
Yes
>> Replace the Memory Seat Module.
Perform POWER SEAT SYSTEM VERIFICATION TEST –
VER 1 (Refer to 8 - ELECTRICAL/POWER SEATS - DIAG-
NOSIS AND TESTING)
No
>> Go To 4
4.
CHECK THE (P339) DRIVER SEAT FRONT VERTICAL/RECLINER SWITCH MUX WIRE RESISTANCE
Disconnect the Driver Seat Switch.
NOTE: Check connectors - Clean and repair as necessary.
Measure the resistance of the (P339) Driver Seat Front Vertical/Re-
cliner Switch MUX circuit between the C4 connector and the Driver
Seat Switch connector.
Is the resistance below 1.0 ohm?
Yes
>> Replace the Driver Seat Switch.
Perform POWER SEAT SYSTEM VERIFICATION TEST –
VER 1 (Refer to 8 - ELECTRICAL/POWER SEATS - DIAG-
NOSIS AND TESTING)
No
>> Repair the (P339) Driver Seat Front Vertical/Recliner Switch
MUX circuit for an open.
Perform POWER SEAT SYSTEM VERIFICATION TEST –
VER 1 (Refer to 8 - ELECTRICAL/POWER SEATS - DIAG-
NOSIS AND TESTING)
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POWER SEATS - ELECTRICAL DIAGNOSTICS
LX
5.
CHECK THE (P239) DRIVER SEAT REAR VERTICAL/HORIZONTAL SWITCH MUX WIRE RESISTANCE
Measure the resistance of the (P239) Driver Seat Rear Vertical/Horizon-
tal Switch MUX circuit between the C4 connector and the Driver Seat
Switch connector.
Is the resistance below 1.0 ohm?
Yes
>> Go To 6
No
>> Repair the (P239) Driver Seat Rear Vertical/Horizontal
Switch MUX circuit for an open.
Perform POWER SEAT SYSTEM VERIFICATION TEST –
VER 1 (Refer to 8 - ELECTRICAL/POWER SEATS - DIAG-
NOSIS AND TESTING)
6.
CHECK THE (P599) DRIVER SEAT SWITCH MUX RETURN WIRE RESISTANCE
Measure the resistance of the (P599) Driver Seat Switch MUX Return
circuit between the C4 connector and the Driver Seat Switch connector.
Is the resistance below 1.0 ohm?
Yes
>> Replace the Driver Seat Switch.
Perform BODY VERIFICATION TEST – VER 1 (Refer to
BODY VERIFICATION TEST - VER 1).
No
>> Repair the (P599) Driver Seat Switch MUX Return circuit
for an open.
Perform POWER SEAT SYSTEM VERIFICATION TEST –
VER 1 (Refer to 8 - ELECTRICAL/POWER SEATS - DIAG-
NOSIS AND TESTING)
LX
POWER SEATS - ELECTRICAL DIAGNOSTICS
8N - 125
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