Chrysler 300/300 Touring/300C, Dodge Magnum. Manual — part 188
B1D5B–ADJUSTABLE PEDAL SWITCH CIRCUIT PERFORMANCE
For a complete wiring diagram Refer to Section 8W.
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BRAKES - ABS ELECTRICAL DIAGNOSTICS
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•
When Monitored:
The Adjustable Pedals Switch is in active operation.
•
Set Condition:
The Memory Seat Module detects an activation of both pedal switches at the same time.
Possible Causes
WIRING HARNESS CONNECTOR/TERMINALS
(Q103) ADJUSTABLE PEDALS SWITCH REARWARD CIRCUIT SHORT TO GROUND
(Q102) ADJUSTABLE PEDALS SWITCH FORWARD CIRCUIT SHORT TO GROUND
(Q103) ADJUSTABLE PEDALS SWITCH REARWARD CIRCUIT SHORT TO THE (Q102) ADJUSTABLE PEDALS
SWITCH FORWARD CIRCUIT
ADJUSTABLE PEDALS SWITCH
MEMORY SEAT MODULE
Diagnostic Test
1.
DTC IS ACTIVE
NOTE: This DTC must be active for the results of this test to be valid.
Turn the ignition on.
With the scan tool, select view DTCs. Record all DTC information.
With the scan tool, clear stored DTCs.
Cycle the ignition switch off then on.
Move the Adjustable Pedals Switch forward and rearward several times.
With the scan tool, select view DTCs.
Is the status active for this DTC?
Yes
>> Go To 2
No
>> Refer to the Adjustable Pedal System intermittent condition test. (Refer to 5 - BRAKES - DIAGNOSIS
AND TESTING)
2.
WIRING HARNESS CONNECTOR/TERMINALS
Turn the ignition off.
Disconnect the Memory Seat Module harness connector.
Disconnect the Adjustable Pedals Switch harness connector.
Inspect the wiring harness, connectors and terminals.
Were any problems found?
Yes
>> Repair as necessary.
Perform APS VERIFICATION TEST. (Refer to 5 - BRAKES - STANDARD PROCEDURE).
No
>> Go To 3
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BRAKES - ABS ELECTRICAL DIAGNOSTICS
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3.
(Q103) ADJUSTABLE PEDALS SWITCH REARWARD CIRCUIT SHORT TO GROUND
Disconnect the Memory Seat Module harness connector.
Disconnect the Adjustable Pedals Switch harness connector.
Using a 12-volt test light connected to 12-volts, probe the (Q103)
Adjustable Pedals Switch Rearward circuit at the Memory Seat Module
C5 harness connector.
Does the test light illuminate brightly?
Yes
>> Repair the (Q103) Adjustable Pedals Switch Rearward cir-
cuit for a short to ground.
Perform APS VERIFICATION TEST. (Refer to 5 - BRAKES -
STANDARD PROCEDURE).
No
>> Go To 4
4.
(Q102) ADJUSTABLE PEDALS SWITCH FORWARD CIRCUIT SHORT TO GROUND
Using a 12-volt test light connected to 12-volts, probe the (Q102)
Adjustable Pedals Switch Rearward circuit at the Memory Seat Module
C5 harness connector.
Does the test light illuminate brightly?
Yes
>> Repair the (Q102) Adjustable Pedals Switch Forward circuit
for a short to ground.
Perform APS VERIFICATION TEST. (Refer to 5 - BRAKES -
STANDARD PROCEDURE).
No
>> Go To 5
5.
(Q103) ADJUSTABLE PEDALS SWITCH REARWARD CIRCUIT SHORT TO THE (Q102) ADJUSTABLE
PEDALS SWITCH FORWARD CIRCUIT
Measure the resistance between the (Q103) Adjustable Pedals Switch
Rearward circuit and the (Q102) Adjustable Pedals Switch Forward cir-
cuit at the Memory Seat Module C5 harness connector.
Is the resistance below 5.0 ohms?
Yes
>> Repair the (Q103) Adjustable Pedals Switch Rearward cir-
cuit for a short to the (Q102) Adjustable Pedals Switch For-
ward circuit.
Perform APS VERIFICATION TEST. (Refer to 5 - BRAKES -
STANDARD PROCEDURE).
No
>> Go To 6
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6.
ADJUSTABLE PEDALS SWITCH
Measure the resistance between the (Q103) Adjustable Pedals Switch Rearward circuit and (Q102) Adjustable Ped-
als Switch Forward circuit at the terminals of the Adjustable Pedals Switch harness connector.
Is the resistance below 5.0 ohms?
Yes
>> Replace the Adjustable Pedals Switch in accordance with the Service Information.
Perform APS VERIFICATION TEST. (Refer to 5 - BRAKES - STANDARD PROCEDURE).
No
>> Replace the Memory Seat Module in accordance with the Service Information.
Perform APS VERIFICATION TEST. (Refer to 5 - BRAKES - STANDARD PROCEDURE).
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