Chrysler 300/300 Touring/300C, Dodge Magnum. Manual — part 1811
4.
INTERMITTENT STEERING COLUMN TELESCOPE SWITCH CIRCUIT STUCK DTC
The conditions necessary to set this DTC are not present at this time.
While monitoring the scan tool data relative to this circuit, wiggle test the component and connectors and move the
switch to each position.
Look for the data to change other than as expected or for the DTC to reset during the test.
Were any problems found?
Yes
>> Repair as necessary.
No
>> Test complete.
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COLUMN ELECTRICAL DIAGNOSIS
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B1D8D-STEERING COLUMN TELESCOPE POSITION SENSOR CIRCUIT LOW
For a complete wiring diagram Refer to Section 8W.
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COLUMN ELECTRICAL DIAGNOSIS
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Theory of Operation
The MSM input signal from the Steering Column Telescope Sensor is recognized in a specified voltage area. The
input channel is an analog to digital converter input and the sensor is a hall sensor.
•
When Monitored:
The hall supply voltage is switched on when the motor becomes activated.
•
Set Condition:
The sensed input is less than 1.7 volts (at the controller input, not at the module input) for more than 14 mS
Possible Causes
INTERMITTENT STEERING COLUMN TELESCOPE POSITION SENSOR CIRCUIT LOW DTC
(P152) TELESCOPE STEERING FORWARD/REARWARD POSITION SENSE CIRCUIT SHORT TO GROUND
STEERING COLUMN TELESCOPE MOTOR
MEMORY SEAT MODULE (MSM)
Diagnostic Test
1.
DTC IS ACTIVE
Ignition on, engine not running.
With the Scan Tool, select Clear Stored DTCs in the Memory Seat Module.
Move the Steering Column Telescope Switch to the Forward and Rearward positions several times, holding the
switch in position for at least 2 seconds each time.
With the Scan Tool, select View DTCs in the Memory Seat Module.
Does the DTC reset and/or remain active?
Yes
>> Go to 2
No
>> Go to 6
2.
CHECK DTC WITH HARNESS DISCONNECTED
Turn the ignition off.
Disconnect the Steering Column Telescope Motor connector.
Turn the ignition on.
Move the Steering Column Telescope Switch to the Forward and Rearward positions several times.
With the Scan Tool, select Clear Stored DTCs in the Memory Seat Module.
Move the Steering Column Telescope Switch to the Forward and Rearward positions several times, holding the
switch in position for at least 2 seconds each time.
With the Scan Tool, select View DTCs in the Memory Seat Module.
Does the DTC reset and/or remain active?
Yes
>> Go to 4
No
>> Go to 3
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COLUMN ELECTRICAL DIAGNOSIS
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3.
STEERING COLUMN TELESCOPE MOTOR
View repair.
Repair
Inspect the wiring between the Steering Column Telescope Motor and the harness connector (on the
motor side) for a short to ground or to any other circuit. If any problems are found, repair as necessary.
If no problems are found, replace the Steering Column Telescope Motor in accordance with the Service
Information.
4.
(P152) TELESCOPE STEERING FORWARD/REARWARD POSITION SENSE CIRCUIT SHORT TO GROUND
Turn the ignition off.
Disconnect the Memory Seat Module (MSM) C1 connector.
Measure the resistance between ground and the (P152) Telescope
Steering Forward/Rearward Position Sense circuit at the Steering Col-
umn Telescope Motor connector (harness side).
Is the resistance below 5.0 ohms?
Yes
>> Repair the (P152) Telescope Steering Forward/Rearward
Position Sense circuit for a short to ground.
No
>> Go to 5
5.
MEMORY SEAT MODULE (MSM)
Inspect the wiring between the Memory Seat Module harness connector and the Steering Column Telescope Motor
harness connector for a short to ground or to any other circuit. If any problems are found, repair as necessary. If no
problems are found, view repair.
Repair
Replace the Memory Seat Module (MSM) in accordance with the Service Information.
6.
INTERMITTENT STEERING COLUMN TELESCOPE POSITION SENSOR CIRCUIT LOW DTC
The conditions necessary to set this DTC are not present at this time.
While monitoring the scan tool data relative to this circuit, wiggle test the component and connectors and move the
switch to each position.
Look for the data to change other than as expected or for the DTC to reset during the wiggle test.
Were any problems found?
Yes
>> Repair as necessary.
No
>> Test complete.
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COLUMN ELECTRICAL DIAGNOSIS
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