B engine INFINITI M35 2007 Factory Service Manual

DTC P1715 INPUT SPEED SENSOR (TURBINE REVOLUTION SENSOR)
EC-1301
[VK45DE]
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Revision: 2007 April2007 M35/M45
DTC P1715 INPUT SPEED SENSOR (TURBINE REVOLUTION SENSOR)PFP:31935
DescriptionNBS005NA
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 ModeNBS005NB
Specification data are reference values.
On Board Diagnosis LogicNBS005NC
NOTE:

If DTC P1715 is displayed with DTC U1000, U1001 first perform the trouble diagnosis for DTC
U1000, U1001. Refer to EC-865, "
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-868, "
DTC U1010 CAN COMMUNICATION" .

If DTC P1715 is displayed with DTC P0605, first perform the trouble diagnosis for DTC P0605.
Refer to EC-1190, "
DTC P0605 ECM" .

If DTC P1715 is displayed with DTC P0335, first perform the trouble diagnosis for DTC P0335.
Refer to EC-1075, "
DTC P0335 CKP SENSOR (POS)" .

If DTC P1715 is displayed with DTC P0340, first perform the trouble diagnosis for DTC P0340.
Refer to EC-1082, "
DTC P0340 CAMSHAFT POSITION (CMP) SENSOR (PHASE)" .
The MIL will not lights up for this diagnosis.
Diagnostic ProcedureNBS005ND
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 sensor)
(TCM output)Turbine revolution sensor signal is different
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

EC-1302
[VK45DE]
DTC P1800 VIAS CONTROL SOLENOID VALVE
Revision: 2007 April2007 M35/M45
DTC P1800 VIAS CONTROL SOLENOID VALVEPFP:14955
Component DescriptionNBS005NE
The VIAS control solenoid valve (1) cuts the intake manifold vacuum
signal for power valve actuator. It responds to ON/OFF signals from
the ECM. When the solenoid is off, the vacuum signal from the
intake manifold is cut. When the ECM sends an ON signal the coil
pulls the plunger downward and feeds the vacuum signal to the
power valve actuator.

: Vehicle front
CONSULT-II Reference Value in Data Monitor ModeNBS005NF
Specification data are reference values.
On Board Diagnosis LogicNBS005NG
The MIL will not light up for this self-diagnosis.
DTC Confirmation ProcedureNBS005NH
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:
Before performing the following procedure, confirm that battery voltage is between 11V at idle.
WITH CONSULT-II
1. Turn ignition switch ON.
2. Select “DATA MONITOR” mode with CONSULT-II.
3. Start engine and let it idle for at least 5 seconds.
4. If 1st trip DTC is detected, go to EC-1304, "
Diagnostic Proce-
dure" .
WITH GST
Follow the procedure “WITH CONSULT-II” above.
PBIB2694E
MONITOR ITEM CONDITION SPECIFICATION
VIAS S/V

Selector lever: P or N
ON

Engine speed: More than 5,000 rpm

Selector lever: Except P or N

Engine speed: Less than 5,000 rpmOFF
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1800
1800VIAS control solenoid valve
circuit An excessively low or high voltage signal is
sent to ECM through the valve

Harness or connectors
(The solenoid valve circuit is open or
shorted.)

VIAS control solenoid valve
SEF058Y

EC-1304
[VK45DE]
DTC P1800 VIAS CONTROL SOLENOID VALVE
Revision: 2007 April2007 M35/M45
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.
Diagnostic ProcedureNBS005NJ
1. CHECK VIAS CONTROL SOLENOID VALVE POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect VIAS control solenoid (1) valve harness connector.
–: Vehicle front
3. Turn ignition switch ON.
4. Check voltage between terminal 1 and ground with CONSULT-II
or tester.
OK or NG
OK >> GO TO 3.
NG >> GO TO 2.
TER-
MINAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
29 V VIAS control solenoid valve[Engine is running]

Selector lever: P or N0 - 1.0V
[Engine is running]

Selector lever: D

Engine speed: Below 5,000 rpmBATTERY VOLTAGE
(11 - 14V)
[Engine is running]

Engine speed: Above 5,000 rpm0 - 1.0V
111 S BECM relay
(Self shut-off)[Engine is running]
[Ignition switch: OFF]

For a few seconds after turning ignition
switch OFF0 - 1.5V
[Ignition switch: OFF]

More than a few seconds after turning igni-
tion switch OFFBATTERY VOLTAGE
(11 - 14V)
11 9
120R
RPower supply for ECM[Ignition switch: ON]BATTERY VOLTAGE
(11 - 14V)
PBIB2694E
Voltage: Battery voltage
PBIB0173E

DTC P1805 BRAKE SWITCH
EC-1307
[VK45DE]
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Revision: 2007 April2007 M35/M45
DTC P1805 BRAKE SWITCHPFP:25320
Component DescriptionNBS005NM
Brake switch signal is applied to the ECM through the stop lamp
switch (1) when the brake pedal is depressed. This signal is used
mainly to decrease the engine speed when the vehicle is driving.

ICC brake switch (models with ICC) (2)

ASCD brake switch (models with ASCD) (2)
CONSULT-II Reference Value in Data Monitor ModeNBS005NN
Specification data are reference values.
On Board Diagnosis LogicNBS005NO
The MIL will not light up for this diagnosis.
FAIL-SAFE MODE
When the malfunction is detected, ECM enters fail-safe mode.
PBIB2705E
MONITOR ITEM CONDITION SPECIFICATION
BRAKE SW

Ignition switch: ONBrake pedal: Fully released OFF
Brake pedal: Slightly depressed ON
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1805
1805Brake switchA brake switch signal is not sent to ECM for
extremely long time while the vehicle is driving.

Harness or connectors
(Stop lamp switch circuit is open or
shorted.)

Stop lamp switch
Engine operating condition in fail-safe mode
ECM controls the electric throttle control actuator by regulating the throttle opening to a small range.
Therefore, acceleration will be poor.
Vehicle condition Driving condition
When engine is idling Normal
When accelerating Poor acceleration

EC-1316
[VK45DE]
DTC P2100, P2103 THROTTLE CONTROL MOTOR RELAY
Revision: 2007 April2007 M35/M45
DTC P2100, P2103 THROTTLE CONTROL MOTOR RELAYPFP:16119
Component DescriptionNBS005NT
Power supply for the throttle control motor is provided to the ECM via throttle control motor relay. The throttle
control motor relay is ON/OFF controlled by the ECM. When the ignition switch is turned ON, the ECM sends
an ON signal to throttle control motor relay and battery voltage is provided to the ECM. When the ignition
switch is turned OFF, the ECM sends an OFF signal to throttle control motor relay and battery voltage is not
provided to the ECM.
CONSULT-II Reference Value in Data Monitor ModeNBS005NU
Specification data are reference values.
On Board Diagnosis LogicNBS005NV
These self-diagnoses have the one trip detection logic.
FAIL-SAFE MODE
When the malfunction is detected, ECM enters fail-safe mode and the MlL lights up.
DTC Confirmation ProcedureNBS005NW
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.
PROCEDURE FOR DTC P2100
With CONSULT-II
1. Turn ignition switch ON and wait at least 2 seconds.
2. Select “DATA MONITOR””mode with CONSULT-II.
3. Start engine and let it idle for 5 seconds.
4. If DTC is detected, go to EC-1319, "
Diagnostic Procedure" .
With GST
Follow the procedure “With CONSULT-II” above.
MONITOR ITEM CONDITION SPECIFICATION
THRTL RELAY

Ignition switch: ON ON
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P2100
2100Throttle control motor
relay circuit openECM detects a voltage of power source for
throttle control motor is excessively low.

Harness or connectors
(Throttle control motor relay circuit is
open)

Throttle control motor relay
P2103
2103Throttle control motor
relay circuit shortECM detect the throttle control motor relay is
stuck ON.

Harness or connectors
(Throttle control motor relay circuit is
shorted)

Throttle control motor relay
Engine operating condition in fail-safe mode
ECM stops the electric throttle control actuator control, throttle valve is maintained at a fixed opening (approx. 5 degrees) by the return
spring.
SEF058Y

DTC P2100, P2103 THROTTLE CONTROL MOTOR RELAY
EC-1319
[VK45DE]
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Revision: 2007 April2007 M35/M45
Specification data are reference values and are measured between each terminal and ground.
Pulse signal is measured by CONSULT-II.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.
: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)
Diagnostic ProcedureNBS005NY
1. CHECK THROTTLE CONTROL MOTOR RELAY POWER SUPPLY CIRCUIT-I
1. Turn ignition switch OFF.
2. Check voltage between ECM terminal 104 and ground with
CONSULT-II or tester.
OK or NG
OK >> GO TO 5.
NG >> GO TO 2.
TER-
MINAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
3RThrottle control motor relay
power supply[Ignition switch: ON]BATTERY VOLTAGE
(11 - 14V)
4WThrottle control motor
(Close)[Ignition switch: ON]

Engine: Stopped

Selector lever: D

Accelerator pedal: Released0 - 14V
5BThrottle control motor
(Open)[Ignition switch: ON]

Engine: Stopped

Selector lever: D

Accelerator pedal: Fully depressed0 - 14V
104 O Throttle control motor relay[Ignition switch: OFF]BATTERY VOLTAGE
(11 - 14V)
[Ignition switch: ON]0 - 1.0V
PBIB1104E
PBIB1105E
Voltage: Battery voltage
PBIB1171E

DTC P2100, P2103 THROTTLE CONTROL MOTOR RELAY
EC-1321
[VK45DE]
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Revision: 2007 April2007 M35/M45
7. DETECT MALFUNCTIONING PART
Check the following.

Harness connectors E12, F3

Harness for open or short between ECM and IPDM E/R
>> Repair open circuit or short to ground or short to power in harness or connectors.
8. CHECK INTERMITTENT INCIDENT
Refer to EC-857, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
OK or NG
OK >> Replace IPDM E/R. Refer to PG-18, "IPDM E/R (INTELLIGENT POWER DISTRIBUTION MOD-
ULE ENGINE ROOM)" .
NG >> Repair or replace harness or connectors.

EC-1322
[VK45DE]
DTC P2101 ELECTRIC THROTTLE CONTROL FUNCTION
Revision: 2007 April2007 M35/M45
DTC P2101 ELECTRIC THROTTLE CONTROL FUNCTIONPFP:16119
DescriptionNBS005NZ
NOTE:
If DTC P2101 is displayed with DTC P2100 or P2119, first perform the trouble diagnosis for DTC P2100
or P2119. Refer to EC-1316, "
DTC P2100, P2103 THROTTLE CONTROL MOTOR RELAY" or EC-1334,
"DTC P2119 ELECTRIC THROTTLE CONTROL ACTUATOR" .
Electric throttle control actuator consists of throttle control motor, throttle position sensor, etc.
The throttle control motor is operated by the ECM and it opens and closes the throttle valve.
The current opening angle of the throttle valve is detected by the throttle position sensor and it provides feed-
back to the ECM to control the throttle control motor to make the throttle valve opening angle properly in
response to driving condition.
On Board Diagnosis LogicNBS005O0
This self-diagnosis has the one trip detection logic.
FAIL-SAFE MODE
When the malfunction is detected, ECM enters fail-safe mode and the MIL lights up.
DTC Confirmation ProcedureNBS005O1
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:
Before performing the following procedure, confirm that battery voltage is more than 11V when engine
is running.
WITH CONSULT-II
1. Turn ignition switch ON and wait at least 2 seconds.
2. Select “DATA MONITOR” mode with CONSULT-II.
3. Start engine and let it idle for 5 seconds.
4. If DTC is detected, go to EC-1324, "
Diagnostic Procedure" .
WITH GST
Follow the procedure “WITH CONSULT-II” above.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P2101
2101Electric throttle control
performanceElectric throttle control function does not operate
properly.

Harness or connectors
(Throttle control motor circuit is open or
shorted)

Electric throttle control actuator
Engine operating condition in fail-safe mode
ECM stops the electric throttle control actuator control, throttle valve is maintained at a fixed opening (approx. 5 degrees) by the return
spring.
SEF058Y

EC-1324
[VK45DE]
DTC P2101 ELECTRIC THROTTLE CONTROL FUNCTION
Revision: 2007 April2007 M35/M45
Specification data are reference values and are measured between each terminal and ground.
Pulse signal is measured by CONSULT-II.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.
: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)
Diagnostic ProcedureNBS005O3
1. CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Loosen and retighten ground screws on the body.
Refer to EC-864, "
Ground Inspection" .
OK or NG
OK >> GO TO 2.
NG >> Repair or replace ground connections.
TER-
MINAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
3RThrottle control motor relay
power supply[Ignition switch: ON]BATTERY VOLTAGE
(11 - 14V)
4WThrottle control motor
(Close)[Ignition switch: ON]

Engine: Stopped

Selector lever: D

Accelerator pedal: Released0 - 14V
5BThrottle control motor
(Open)[Ignition switch: ON]

Engine: Stopped

Selector lever: D

Accelerator pedal: Fully depressed0 - 14V
104 O Throttle control motor relay[Ignition switch: OFF]BATTERY VOLTAGE
(11 - 14V)
[Ignition switch: ON]0 - 1.0V
PBIB1104E
PBIB1105E
1. Body ground M70 2. Body ground M16
PBIB2782E

EC-1326
[VK45DE]
DTC P2101 ELECTRIC THROTTLE CONTROL FUNCTION
Revision: 2007 April2007 M35/M45
6. CHECK THROTTLE CONTROL MOTOR RELAY POWER SUPPLY CIRCUIT-II
1. Disconnect ECM harness connector.
2. Disconnect IPDM E/R harness connector E9.
3. Check harness continuity between ECM terminal 104 and IPDM E/R terminal 47.
Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 8.
NG >> GO TO 7.
7. DETECT MALFUNCTIONING PART
Check the following.

Harness connectors E108, M15

Harness for open or short between ECM and IPDM E/R
>> Repair open circuit or short to ground or short to power in harness or connectors.
8. CHECK FUSE
1. Disconnect 15A fuse.
2. Check 15A fuse for blown.
OK or NG
OK >> GO TO 9.
NG >> Replace 15A fuse.
9. CHECK INTERMITTENT INCIDENT
Refer to EC-857, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
OK or NG
OK >> Replace IPDM E/R. Refer to PG-18, "IPDM E/R (INTELLIGENT POWER DISTRIBUTION MOD-
ULE ENGINE ROOM)" .
NG >> Repair or replace harness or connectors.Continuity should exist.