2006 INFINITI M35 Factory Service Manual

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Page 2073 of 5621

INFINITI M35 2006 Factory Service Manual EC-530
[VQ35DE]
DTC P1220 FUEL PUMP CONTROL MODULE (FPCM)
Revision: 2006 January2006 M35/M45
5. CHECK FPCM GROUND CIRCUIT-II FOR OPEN AND SHORT
1. Disconnect harness connectors B162, B64.
2. Disconnec

Page 2074 of 5621

INFINITI M35 2006 Factory Service Manual DTC P1220 FUEL PUMP CONTROL MODULE (FPCM)
EC-531
[VQ35DE]
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Revision: 2006 January2006 M35/M45
7. CHECK FPCM INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness c

Page 2075 of 5621

INFINITI M35 2006 Factory Service Manual EC-532
[VQ35DE]
DTC P1220 FUEL PUMP CONTROL MODULE (FPCM)
Revision: 2006 January2006 M35/M45
12. CHECK INTERMITTENT INCIDENT
Refer to EC-165, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>

Page 2076 of 5621

INFINITI M35 2006 Factory Service Manual DTC P1225 TP SENSOR
EC-533
[VQ35DE]
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Revision: 2006 January2006 M35/M45
DTC P1225 TP SENSORPFP:16119
Component DescriptionNBS0053H
Electric throttle control actuator consi

Page 2077 of 5621

INFINITI M35 2006 Factory Service Manual EC-534
[VQ35DE]
DTC P1225 TP SENSOR
Revision: 2006 January2006 M35/M45
Diagnostic ProcedureNBS0053K
1. CHECK ELECTRIC THROTTLE CONTROL ACTUATOR VISUALLY
1. Turn ignition switch OFF.
2. Remove the inta

Page 2078 of 5621

INFINITI M35 2006 Factory Service Manual DTC P1226 TP SENSOR
EC-535
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Revision: 2006 January2006 M35/M45
DTC P1226 TP SENSORPFP:16119
Component DescriptionNBS0053M
Electric throttle control actuator consi

Page 2079 of 5621

INFINITI M35 2006 Factory Service Manual EC-536
[VQ35DE]
DTC P1226 TP SENSOR
Revision: 2006 January2006 M35/M45
Diagnostic ProcedureNBS0053P
1. CHECK ELECTRIC THROTTLE CONTROL ACTUATOR VISUALLY
1. Turn ignition switch OFF.
2. Remove the inta

Page 2080 of 5621

INFINITI M35 2006 Factory Service Manual DTC P1550 BATTERY CURRENT SENSOR
EC-537
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Revision: 2006 January2006 M35/M45
DTC P1550 BATTERY CURRENT SENSORPFP:294G0
Component DescriptionNBS0053R
The power genera

DTC P1550 BATTERY CURRENT SENSOR
EC-537
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Revision: 2006 January2006 M35/M45
DTC P1550 BATTERY CURRENT SENSORPFP:294G0
Component DescriptionNBS0053R
The power generation voltage variable control enables fuel con-
sumption to be decreased by reducing the engine load which is
caused by the power generation of the generator. The battery cur-
rent sensor (1) is installed to the battery cable at the negative termi-
nal. The sensor measures the charging/discharging current of the
battery. Based on the sensor signal, ECM judges whether or not the
power generation voltage variable control is performed. When per-
forming the power generation voltage variable control, ECM calcu-
lates the target power generation voltage based on the sensor
signal. And ECM sends the calculated value as the power genera-
tion command value to IPDM E/R. For the details of the power gen-
eration voltage variable control, refer to SC section.
CAUTION:
Do not connect the electrical component or the ground wire directly to the battery terminal. The con-
nection causes the malfunction of the power generation voltage variable control, and then the battery
discharge may occur.
CONSULT-II Reference Value in Data Monitor ModeNBS0053S
Specification data are reference values.
*: Before measuring the terminal voltage, confirm that the battery is fully charged. Refer to SC-5, "SPECIFIC GRAVITY CHECK" .
On Board Diagnosis LogicNBS0053T
The MIL will not light up for this diagnosis.
NOTE:
If DTC P1550 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643. Refer to
EC-499, "
DTC P0643 SENSOR POWER SUPPLY" .
PBIB2685E
MONITOR ITEM CONDITION SPECIFICATION
BAT CUR SEN
Engine speed: Idle
Battery: Fully charged*
Selector lever: P or N
Air conditioner switch: OFF
No loadApprox. 2,600 - 3,500mV
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1550
1550Battery current sensor circuit
range/performanceThe output voltage of the battery current
sensor remains within the specified
range while engine is running.
Harness or connectors
(The sensor circuit is open or shorted.)
Battery current sensor

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