2007 INFINITI M35 Factory Service Manual

load capacity hood release TPMS reset wiring octane wiper fluid

Page 2113 of 4647

INFINITI M35 2007 Factory Service Manual EC-584
[VQ35DE]
DTC P1574 ICC VEHICLE SPEED SENSOR
Revision: 2007 April2007 M35/M45
DTC P1574 ICC VEHICLE SPEED SENSORPFP:31036
Component DescriptionNBS0055E
The ECM receives two vehicle speed signals

EC-584
[VQ35DE]
DTC P1574 ICC VEHICLE SPEED SENSOR
Revision: 2007 April2007 M35/M45
DTC P1574 ICC VEHICLE SPEED SENSORPFP:31036
Component DescriptionNBS0055E
The ECM receives two vehicle speed signals via CAN communication line. One is sent from “unified meter and
A/C amp.”, and the other is from TCM (Transmission control module). The ECM uses these signals for ICC
control. Refer to ACS-6, "
DESCRIPTION" for ICC functions.
On Board Diagnosis LogicNBS0055F
This self-diagnosis has the one trip detection logic.
The MIL will not light up for this diagnosis.
NOTE:
If DTC P1574 is displayed with DTC U1000, U1001, first perform the trouble diagnosis for DTC
U1000, U1001. Refer to EC-161, "
DTC U1000, U1001 CAN COMMUNICATION LINE" .
If DTC P1574 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010.
Refer to EC-164, "
DTC U1010 CAN COMMUNICATION" .
If DTC P1574 is displayed with DTC P0500, first perform the trouble diagnosis for DTC P0500.
Refer to EC-468, "
DTC P0500 VSS" .
If DTC P1574 is displayed with DTC P0605, first perform the trouble diagnosis for DTC P0605.
Refer to EC-483, "
DTC P0605 ECM".
DTC Confirmation ProcedureNBS0055G
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
TESTING CONDITION:
Step 3 may be conducted with the drive wheels lifted in the shop or by driving the vehicle. If a road test
is expected to be easier, it is unnecessary to lift the vehicle.
WITH CONSULT-II
1. Start engine (VDC switch OFF).
2. Select “DATA MONITOR” mode with CONSULT-II.
3. Drive the vehicle at more than 40 km/h (25MPH).
4. If DTC is detected, go to EC-585, "
Diagnostic Procedure" .
WITH GST
Follow the procedure “WITH CONSULT-II” above.
DTC No.Trouble diagnosis
nameDTC detecting condition Possible cause
P1574
1574ICC vehicle speed
sensorECM detects a difference between two vehicle
speed signals is out of the specified range.
Harness or connectors
(The CAN communication line is open or
shorted.)
Unified meter and A/C amp.
ABS actuator and electric unit (control unit)
Wheel sensor
TCM
ECM
PBIB2673E

Page 2114 of 4647

INFINITI M35 2007 Factory Service Manual DTC P1574 ICC VEHICLE SPEED SENSOR
EC-585
[VQ35DE]
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Revision: 2007 April2007 M35/M45
Diagnostic ProcedureNBS0055H
1. CHECK DTC WITH TCM
Check DTC with TCM. Refer to AT- 4 0 ,

Page 2115 of 4647

INFINITI M35 2007 Factory Service Manual EC-586
[VQ35DE]
DTC P1574 ASCD VEHICLE SPEED SENSOR
Revision: 2007 April2007 M35/M45
DTC P1574 ASCD VEHICLE SPEED SENSORPFP:31036
Component DescriptionNBS0055I
The ECM receives two vehicle speed senso

EC-586
[VQ35DE]
DTC P1574 ASCD VEHICLE SPEED SENSOR
Revision: 2007 April2007 M35/M45
DTC P1574 ASCD VEHICLE SPEED SENSORPFP:31036
Component DescriptionNBS0055I
The ECM receives two vehicle speed sensor signals via CAN communication line. One is sent from “unified
meter and A/C amp.”, and the other is from TCM (Transmission control module). The ECM uses these signals
for ASCD control. Refer to EC-36, "
AUTOMATIC SPEED CONTROL DEVICE (ASCD)" for ASCD functions.
On Board Diagnosis LogicNBS0055J
This self-diagnosis has the one trip detection logic.
The MIL will not light up for this diagnosis.
NOTE:
If DTC P1574 is displayed with DTC U1000, U1001, first perform the trouble diagnosis for DTC
U1000, U1001. Refer to EC-161, "
DTC U1000, U1001 CAN COMMUNICATION LINE" .
If DTC P1574 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010.
Refer to EC-164, "
DTC U1010 CAN COMMUNICATION" .
If DTC P1574 is displayed with DTC P0500, first perform the trouble diagnosis for DTC P0500.
Refer to EC-468, "
DTC P0500 VSS"
If DTC P1574 is displayed with DTC P0605, first perform the trouble diagnosis for DTC P0605.
Refer to EC-483, "
DTC P0605 ECM"
DTC Confirmation ProcedureNBS0055K
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
TESTING CONDITION:
Step 3 may be conducted with the drive wheels lifted in the shop or by driving the vehicle. If a road test
is expected to be easier, it is unnecessary to lift the vehicle.
WITH CONSULT-II
1. Start engine (VDC switch OFF).
2. Select “DATA MONITOR” mode with CONSULT-II.
3. Drive the vehicle at more than 40 km/h (25 MPH).
4. If DTC is detected, go to EC-587, "
Diagnostic Procedure" .
WITH GST
Follow the procedure “WITH CONSULT-II” above.
DTC No.Trouble diagnosis
nameDTC detecting condition Possible cause
P1574
1574ASCD vehicle speed
sensorECM detects a difference between two vehicle
speed signals is out of the specified range.
Harness or connectors
(The CAN communication line is open or
shorted.)
Unified meter and A/C amp.
ABS actuator and electric unit (control unit)
Wheel sensor
TCM
ECM
PBIB2673E

Page 2116 of 4647

INFINITI M35 2007 Factory Service Manual DTC P1574 ASCD VEHICLE SPEED SENSOR
EC-587
[VQ35DE]
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Revision: 2007 April2007 M35/M45
Diagnostic ProcedureNBS0055L
1. CHECK DTC WITH TCM
Check DTC with TCM. Refer to AT- 4 0 ,

Page 2117 of 4647

INFINITI M35 2007 Factory Service Manual EC-588
[VQ35DE]
DTC P1715 INPUT SPEED SENSOR (TURBINE REVOLUTION SENSOR)
Revision: 2007 April2007 M35/M45
DTC P1715 INPUT SPEED SENSOR (TURBINE REVOLUTION SENSOR)PFP:31935
DescriptionNBS0055M
ECM rece

EC-588
[VQ35DE]
DTC P1715 INPUT SPEED SENSOR (TURBINE REVOLUTION SENSOR)
Revision: 2007 April2007 M35/M45
DTC P1715 INPUT SPEED SENSOR (TURBINE REVOLUTION SENSOR)PFP:31935
DescriptionNBS0055M
ECM receives turbine revolution sensor signal from TCM through CAN communication line. ECM uses this
signal for engine control.
CONSULT-II Reference Value in Data Monitor ModeNBS0055N
Specification data are reference values.
On Board Diagnosis LogicNBS0055O
NOTE:
If DTC P1715 is displayed with DTC U1000, U1001 first perform the trouble diagnosis for DTC
U1000, U1001. Refer to EC-161, "
DTC U1000, U1001 CAN COMMUNICATION LINE" .
If DTC P1715 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010.
Refer to EC-164, "
DTC U1010 CAN COMMUNICATION" .
If DTC P1715 is displayed with DTC P0605, first perform the trouble diagnosis for DTC P0605.
Refer to EC-483, "
DTC P0605 ECM" .
If DTC P1715 is displayed with DTC P0335, first perform the trouble diagnosis for DTC P0335.
Refer to EC-364, "
DTC P0335 CKP SENSOR (POS)" .
If DTC P1715 is displayed with DTC P0340, P0345 first perform the trouble diagnosis for DTC
P0340, P0345. Refer to EC-371, "
DTC P0340, P0345 CMP SENSOR (PHASE)" .
The MIL will not lights up for this diagnosis.
Diagnostic ProcedureNBS0055P
1. CHECK DTC WITH TCM
Check DTC with TCM. Refer to AT- 4 0 , "
ON BOARD DIAGNOSTIC (OBD) SYSTEM" .
OK or NG
OK >> GO TO 2.
NG >> Perform trouble shooting relevant to DTC indicated.
2. REPLACE TCM
Replace TCM. Refer to AT- 4 4 , "
TROUBLE DIAGNOSIS" .
>>INSPECTION END
MONITOR ITEM CONDITION SPECIFICATION
I/P PULLY SPD
Vehicle speed: More than 20 km/h (12MPH)Almost the same speed as the
tachometer indication
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1715
1715Input speed sensor
(Turbine revolution sen-
sor)
(TCM output)Turbine revolution sensor signal is differ-
ent from the theoretical value calculated
by ECM from revolution sensor signal
and engine rpm signal.
Harness or connectors
(The CAN communication line is open or
shorted)
Harness or connectors
(Turbine revolution sensor circuit is open or
shorted)
TCM

Page 2118 of 4647

INFINITI M35 2007 Factory Service Manual DTC P1805 BRAKE SWITCH
EC-589
[VQ35DE]
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EC
Revision: 2007 April2007 M35/M45
DTC P1805 BRAKE SWITCHPFP:25320
Component DescriptionNBS0055Q
Brake switch signal is applied to the EC

Page 2119 of 4647

INFINITI M35 2007 Factory Service Manual EC-590
[VQ35DE]
DTC P1805 BRAKE SWITCH
Revision: 2007 April2007 M35/M45
DTC Confirmation ProcedureNBS0055T
WITH CONSULT-II
1. Turn ignition switch ON.
2. Fully depress the brake pedal for at least 5

Page 2120 of 4647

INFINITI M35 2007 Factory Service Manual DTC P1805 BRAKE SWITCH
EC-591
[VQ35DE]
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EC
Revision: 2007 April2007 M35/M45
Wiring DiagramNBS0055U
TBWT0986E

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