2004 INFINITI QX56 Factory Service Manual

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INFINITI QX56 2004  Factory Service Manual EC-346Revision: August 2007
DTC P0550 PSP SENSOR
2004 QX56
DTC P0550 PSP SENSORPFP:49763
Component DescriptionUBS00H6P
Power steering pressure (PSP) sensor is installed to the power
steering high-pres

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INFINITI QX56 2004  Factory Service Manual DTC P0550 PSP SENSOR
EC-347
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Revision: August 20072004 QX56
Wiring DiagramUBS00H6T
BBWA11 76 E

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INFINITI QX56 2004  Factory Service Manual EC-348Revision: August 2007
DTC P0550 PSP 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 P0550 PSP SENSOR
EC-349
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2. CHECK PSP SENSOR POWER SUPPLY CIRCUIT
1. Disconnect PSP sensor harness connector.
2. Turn ignition switch ON.
3.

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INFINITI QX56 2004  Factory Service Manual EC-350Revision: August 2007
DTC P0550 PSP SENSOR
2004 QX56
6. CHECK INTERMITTENT INCIDENT
Refer to EC-127, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT"  .
>>INSPECTION END
Component InspectionUBS00H

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INFINITI QX56 2004  Factory Service Manual DTC P0605 ECM
EC-351
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Revision: August 20072004 QX56
DTC P0605 ECMPFP:23710
Component DescriptionUBS00H6X
The ECM consists of a microcomputer and connectors for signal
input a

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INFINITI QX56 2004  Factory Service Manual EC-352Revision: August 2007
DTC P0605 ECM
2004 QX56
PROCEDURE FOR MALFUNCTION B
 With CONSULT-II
1. Turn ignition switch ON and wait at least 1 second.
2. Select “DATA MONITOR” mode with CONSULT-I

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INFINITI QX56 2004  Factory Service Manual DTC P0605 ECM
EC-353
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2. REPLACE ECM
1. Replace ECM.
2. Perform initialization of IVIS(NATS) system and registration of all IVIS(NATS) ignition