2004 INFINITI QX56 ignition

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INFINITI QX56 2004  Factory Service Manual EC-118Revision: August 2007
TROUBLE DIAGNOSIS
2004 QX56
CONSULT-II Reference Value in Data MonitorUBS00H07
Remarks:
 Specification data are reference values.
 Specification data are output/input val

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INFINITI QX56 2004  Factory Service Manual TROUBLE DIAGNOSIS
EC-119
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Revision: August 20072004 QX56
PW/ST SIGNALEngine: After warming up, idle 
the engineSteering wheel is in neutral position.
(Forward direction)OFF
S

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INFINITI QX56 2004  Factory Service Manual EC-120Revision: August 2007
TROUBLE DIAGNOSIS
2004 QX56
*: Accelerator pedal position sensor 2 signal and throttle position sensor 2 signal are converted by ECM internally. Thus, they differ from
ECM

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INFINITI QX56 2004  Factory Service Manual TROUBLE DIAGNOSIS
EC-121
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Revision: August 20072004 QX56
Major Sensor Reference Graph in Data Monitor ModeUBS00H08
The following are the major sensor reference graphs in “DA

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INFINITI QX56 2004  Factory Service Manual POWER SUPPLY AND GROUND CIRCUIT
EC-129
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Revision: August 20072004 QX56
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do n

Page 1321 of 3371

INFINITI QX56 2004  Factory Service Manual EC-130Revision: August 2007
POWER SUPPLY AND GROUND CIRCUIT
2004 QX56
4. DETECT MALFUNCTIONING PART
Check the following.
10A fuse
Harness for open or short between ECM and ignition switch
>> Repair

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INFINITI QX56 2004  Factory Service Manual POWER SUPPLY AND GROUND CIRCUIT
EC-131
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Revision: August 20072004 QX56
8. CHECK ECM POWER SUPPLY CIRCUIT-II
1. Reconnect ECM harness connector.
2. Turn ignition switch ON.
3.

Page 1323 of 3371

INFINITI QX56 2004  Factory Service Manual EC-132Revision: August 2007
POWER SUPPLY AND GROUND CIRCUIT
2004 QX56
11 .  CHECK ECM POWER SUPPLY CIRCUIT-V
1. Disconnect ECM harness connector.
2. Disconnect IPDM E/R harness connector E119.
3. Chec