Chrysler 300M 2002 Service Manual page 2480

Symptom:
P0107-MAP SENSOR LOW
When Monitored and Set Condition:
P0107-MAP SENSOR LOW
When Monitored: Engine speed between 600 to 3500 RPM. TPS voltage less than 1.2
volts. Battery voltage greater than 10 volts.
Set Condition: The MAP sensor signal voltage is less than 0.0782 of a volt for 1.7 seconds.
One trip Fault.
INTERMITTENT CONDITION
5 VOLT SUPPLY CIRCUIT SHORTED TO GROUND
5 VOLT SUPPLY CIRCUIT OPEN
MAP SENSOR INTERNAL FAILURE
MAP SENSOR SIGNAL CIRCUIT SHORTED TO GROUND
MAP SENSOR SIGNAL CIRCUIT SHORTED TO SENSOR GROUND CIRCUIT
PCM 5 VOLT SUPPLY CIRCUIT
PCM MAP SENSOR SIGNAL
TEST
1 Ignition on, engine not running.
With the DRBIII , read the MAP Sensor voltage.
Is the voltage below 1.2 volts?
Yes → Go To 3
→ Go To 2
No
2 Start the engine.
With the DRBIII , read the MAP Sensor voltage.
Is the voltage below 0.4 of a volt?
Yes → Go To 3
→ Go To 11
No
3 Turn the ignition off.
Disconnect the MAP Sensor harness connector.
Ignition on, engine not running.
Measure the voltage of the 5 Volt Supply circuit in the MAP Sensor harness
connector.
Is the voltage between 4.5 to 5.2 volts?
Yes → Go To 4
→ Go To 8
No
POSSIBLE CAUSES
ACTION
51
DRIVEABILITY - NGC
APPLICABILITY
All
All
All