2004 INFINITI QX56 Factory Service Manual

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INFINITI QX56 2004  Factory Service Manual EC-146Revision: August 2007
DTC P0101 MAF SENSOR
2004 QX56
DTC P0101 MAF SENSORPFP:22680
Component DescriptionUBS00H0V
The mass air flow sensor is placed in the stream of intake air. It mea-
sures the

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INFINITI QX56 2004  Factory Service Manual DTC P0101 MAF SENSOR
EC-147
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DTC Confirmation ProcedureUBS00H0Y
Perform PROCEDURE FOR MALFUNCTION A first.
If the DTC cannot be confirmed, perfo

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INFINITI QX56 2004  Factory Service Manual EC-148Revision: August 2007
DTC P0101 MAF SENSOR
2004 QX56
7. Maintain the following conditions for at least 10 consecutive sec-
onds.
8. If DTC is detected, go to EC-150, "
Diagnostic Procedure"  .
O

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INFINITI QX56 2004  Factory Service Manual DTC P0101 MAF SENSOR
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Revision: August 20072004 QX56
Wiring DiagramUBS00H10
BBWA11 60 E

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INFINITI QX56 2004  Factory Service Manual EC-150Revision: August 2007
DTC P0101 MAF SENSOR
2004 QX56
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals when meas

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INFINITI QX56 2004  Factory Service Manual DTC P0101 MAF SENSOR
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3. RETIGHTEN GROUND SCREWS
1. Turn ignition switch OFF.
2. Loosen and retighten three ground screws on the body.
Re

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INFINITI QX56 2004  Factory Service Manual EC-152Revision: August 2007
DTC P0101 MAF SENSOR
2004 QX56
6. CHECK MAF SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness cont

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INFINITI QX56 2004  Factory Service Manual DTC P0101 MAF SENSOR
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Component InspectionUBS00H12
MASS AIR FLOW SENSOR
1. Reconnect all harness connectors disconnected.
2. Start engine