Chrysler PT Cruiser 2001 Service Manual Supplement page 2509

Symptom:
P0107-MAP SENSOR VOLTS TOO LOW
When Monitored and Set Condition:
P0107-MAP SENSOR VOLTS TOO LOW
When Monitored: With the engine RPM above 416 but less than 3520, the TP sensor
voltage less than 1.13 volts, and battery voltage greater than 10.4 volts.
Set Condition: The MAP sensor signal voltage is below 0.1 volt for 2.0 seconds with the
engine running.
MAP SENSOR WIRING HARNESS INTERMITTENT PROBLEM
MAP SENSOR WIRING HARNESS OBSERVABLE
MAP SENSOR 5-VOLT SUPPLY CIRCUIT OPEN
MAP SENSOR 5-VOLT SUPPLY CIRCUIT SHORTED TO GROUND
MAP SENSOR SIGNAL CIRCUIT SHORTED TO SENSOR GROUND CIRCUIT
MAP SENSOR SIGNAL CIRCUIT SHORTED TO GROUND
MAP SENSOR
PCM (5-VOLT SUPPLY)
PCM (SIGNAL CIRCUIT)
TEST
1 Start the engine.
Allow the engine to idle.
With the DRB, read the MAP Sensor voltage.
Is the MAP Sensor voltage below 0.6 volts?
Yes → Go To 3
→ Go To 2
No
2 Turn the ignition on.
With the DRB, read the MAP Sensor voltage.
Is the MAP Sensor voltage below 3.19 volts?
Yes → Go To 3
→ Go To 11
No
3 Turn the ignition off.
Disconnect the MAP sensor harness connector.
Turn the ignition on.
Measure the MAP Sensor 5-Volt Supply circuit at the MAP Sensor harness connector.
Is the voltage above 4.5 volts?
Yes → Go To 4
→ Go To 8
No
POSSIBLE CAUSES
ACTION
49
DRIVEABILITY - GAS
APPLICABILITY
All
All
All