Chrysler 2005 Crossfire SRT6 Service Manual page 1935

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(P0102) MASS AIR FLOW CIRCUIT (CONTINUED)
When Monitored and Set Condition
• When Monitored: With the engine running and no fault in the throttle valve actuator.
• Set Condition: The Mass Air Flow (MAF) Sensor value is less than 16 kg/h when the throttle valve angle is
greater than 14° for approximately 5 seconds, or the MAF Sensor reading is greater than a calculated value
that is determined by engine speed and throttle valve angle for approximately 5 seconds.
FUSED ENGINE CONTROL RELAY OUTPUT CIRCUIT OPEN
MASS AIR FLOW SENSOR SIGNAL CIRCUIT SHORT TO VOLTAGE
MASS AIR FLOW SENSOR SIGNAL CIRCUIT SHORT TO GROUND
MASS AIR FLOW SENSOR SIGNAL CIRCUIT SHORT TO 5-VOLT SUPPLY CIRCUIT
MASS AIR FLOW SENSOR SIGNAL CIRCUIT SHORT TO SENSOR GROUND CIRCUIT
MASS AIR FLOW SENSOR SIGNAL CIRCUIT OPEN
5-VOLT SUPPLY CIRCUIT SHORT TO VOLTAGE
5-VOLT SUPPLY CIRCUIT OPEN
5-VOLT SUPPLY CIRCUIT SHORT TO GROUND
5-VOLT SUPPLY CIRCUIT SHORT TO SENSOR GROUND CIRCUIT
SENSOR GROUND CIRCUIT OPEN
MASS AIR FLOW SENSOR
POWERTRAIN CONTROL MODULE
For a complete Powertrain Control Module Circuit Diagram, (Refer to 9 - ENGINE - SCHEMATICS AND DIA-
GRAMS).
Diagnostic Test
1.
PRE-DIAGNOSTIC CHECK OUT
Note: Always perform diagnostics with a fully charged battery.
Note: Check connectors — Clean/repair as necessary. Poor pin to
terminal connections can set DTCs.
Note: Check for applicable TSBs related to the problem.
Turn the ignition on.
With the DRB III , read PCM DTCs.
Using the wiring diagram/schematic as a guide, inspect the wiring and
connectors. Repair as necessary.
Perform this procedure prior to symptom diagnosis.
Continue
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ENGINE - ELECTRICAL DIAGNOSTICS 9 - 11
POSSIBLE CAUSES