Chrysler Crossfire. Manual — part 473
(P0108) MAP SENSOR CIRCUIT HIGH
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ENGINE - ELECTRICAL DIAGNOSTICS
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(P0108) MAP SENSOR CIRCUIT HIGH (CONTINUED)
When Monitored and Set Condition
•
When Monitored: Engine running for at least 30 seconds and no fault in the throttle valve actuator.
•
Set Condition: Low limit: The Manifold Absolute Pressure (MAP) Sensor reading is 0 mbar (0 in. Hg) when the
throttle valve angle is greater than 80° for approximately 5 seconds. High limit: The MAP Sensor reading is
greater than a calculated value that is determined by engine speed and throttle valve angle for approximately
5 seconds.
POSSIBLE CAUSES
MANIFOLD ABSOLUTE PRESSURE SENSOR SIGNAL CIRCUIT OPEN
MANIFOLD ABSOLUTE PRESSURE SENSOR SIGNAL CIRCUIT SHORT TO GROUND
MANIFOLD ABSOLUTE PRESSURE SENSOR SIGNAL CIRCUIT SHORT TO VOLTAGE
5 VOLT SUPPLY CIRCUIT OPEN
5 VOLT SUPPLY CIRCUIT SHORT TO GROUND
5 VOLT SUPPLY CIRCUIT SHORT TO VOLTAGE
MANIFOLD ABSOLUTE PRESSURE SENSOR SIGNAL CIRCUIT SHORT TO SENSOR GROUND CIRCUIT
MANIFOLD ABSOLUTE PRESSURE SENSOR SIGNAL CIRCUIT SHORT TO 5 VOLT SUPPLY CIRCUIT
SENSOR GROUND CIRCUIT OPEN
ENGINE OIL SENSOR
MANIFOLD ABSOLUTE PRESSURE SENSOR
POWERTRAIN CONTROL MODULE
For a complete Powertrain Control Module Circuit Diagram, (Refer to 9 - ENGINE - SCHEMATICS AND DIA-
GRAMS).
Diagnostic Test
1.
CHECK FOR CURRENT DTC
Turn the ignition on.
With the DRB III
T
, read PCM DTCs.
Is this DTC present?
Yes
>> For complete diagnosis of this DTC, refer to (P0106) MAP
SENSOR PERFORMANCE.
No
>> Go To 2
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ENGINE - ELECTRICAL DIAGNOSTICS
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(P0108) MAP SENSOR CIRCUIT HIGH (CONTINUED)
2.
INTERMITTENT WIRING AND CONNECTORS
The conditions necessary to set this DTC are not present at this time.
Note: Check connectors — Clean/repair as necessary. Poor pin to terminal connections can set DTCs. Using
the wiring diagram/schematic as a guide, inspect the wiring and connectors specific to this DTC. Wiggle the
wires while checking for shorts and open circuits.
Note: Check for any Technical Service Bulletins that may apply.
Were there any problems found?
Yes
>> Repair as necessary.
Perform POWERTRAIN VERIFICATION TEST - VER 2.
No
>> The condition that caused this DTC to set is currently not present. Inspect the related wiring harness for
a possible intermittent condition.
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ENGINE - ELECTRICAL DIAGNOSTICS
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(P0111) INTAKE AIR TEMPERATURE SENSOR CIRCUIT PERFORMANCE (SRT)
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ENGINE - ELECTRICAL DIAGNOSTICS
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