Chrysler PT Cruiser 2001 Service Manual Supplement page 2699

Symptom:
*CHECKING PARK/NEUTRAL SWITCH OPERATION
TRANSMISSION RANGE SENSOR
P/N POSITION SWITCH SENSE CIRCUIT OPEN
P/N POSITION SWITCH SENSE CIRCUIT SHORTED TO GROUND
POWERTRAIN CONTROL MODULE (P/N POSITION SWITCH)
TEST
1 Turn the ignition on.
With the DRB, read the Park/Neutral Position Switch input state.
While moving the gear selector through all gear positions (Park to 1 and back to
Park), watch the DRB display.
Did the DRB display show P/N and D/R in the correct gear positions?
Yes → Test Complete.
→ Go To 2
No
2 Turn the ignition off.
Disconnect the PCM harness connectors.
Disconnect the Transmission Range Sensor harness connector.
Note: Check connectors - Clean/repair as necessary.
Measure the resistance of the P/N Position Switch Sense circuit.
Is the resistance below 5.0 ohms?
Yes → Go To 3
→ Repair the P/N Position Switch Sense circuit for an open.
No
3 Turn the ignition off.
Disconnect the PCM harness connectors.
Disconnect the Transmission Range Sensor harness connector.
Note: Check connectors - Clean/repair as necessary.
Measure the resistance between ground and the P/N Position Switch Sense circuit.
Is the resistance above 100 kohms?
Yes → Go To 4
→ Repair the P/N Position Switch Sense circuit for a short to ground.
No
4 Turn the ignition off.
Disconnect the PCM harness connectors.
Move the Gear selector through all gear positions, from Park to 1st and back.
While moving the gear selector through each gear, measure the resistance between
ground and the P/N Position Switch Sense circuit.
Did the resistance change from above 10.0 ohms to below 10.0 ohms?
Yes → Go To 5
→ Replace the Transmission Range Sensor.
No
POSSIBLE CAUSES
ACTION
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
239
TRANSMISSION
APPLICABILITY
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