Dodge ZB 2005 Service Manual page 1152

Symptom:
P0108-MAP SENSOR VOLTAGE TOO HIGH
When Monitored and Set Condition:
P0108-MAP SENSOR VOLTAGE TOO HIGH
When Monitored: With the engine RPM above 400, the TPS voltage less than 1.13 volts,
and battery voltage greater than 10.4 volts
Set Condition: The MAP Sensor signal voltage is greater than 4.88 volts at start or with
the engine running for 2.2 seconds.
MAP SENSOR VOLTAGE ABOVE 4.8 VOLTS
MAP SENSOR
(K1) MAP SENSOR SIGNAL CIRCUIT SHORTED TO VOLTAGE
(K1) MAP SENSOR SIGNAL CIRCUIT OPEN
(K1) MAP SENSOR SIGNAL CIRCUIT SHORTED TO (K7) 5-VOLT SUPPLY CIRCUIT
(K900) SENSOR GROUND CIRCUIT OPEN
PCM
TEST
1 Ignition on, engine not running.
With the DRBIII , read DTCs and record the related Freeze Frame data.
Start the engine.
With the DRBIII , read the MAP Sensor voltage.
Is the voltage above 4.8 volts?
Yes → Go To 2
→ Refer to the INTERMITTENT CONDITION Symptom (Diagnos-
No
2 Turn the ignition off.
Disconnect the MAP Sensor harness connector.
Connect a jumper wire between the (K1) MAP Sensor Signal circuit and the (K900)
Sensor ground circuit.
Ignition on, engine not running.
With the DRBIII , monitor the MAP Sensor voltage.
Is the voltage below 1.0 volt?
Yes → Replace the MAP Sensor.
→ Go To 3
No
NOTE: Remove the jumper wire before continuing.
POSSIBLE CAUSES
ACTION
tic Procedure).
Perform POWERTRAIN VERIFICATION TEST VER - 5.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
DRIVEABILITY - GAS
31
APPLICABILITY
All
All