2007 INFINITI M35 Factory Service Manual

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INFINITI M35 2007 Factory Service Manual EC-128
[VQ35DE]
TROUBLE DIAGNOSIS
Revision: 2007 April2007 M35/M45
THRTL SEN 1 [V]××The throttle position sensor signal voltage
is displayed.THRTL SEN 2 signal is converted by
ECM internally. Th

EC-128
[VQ35DE]
TROUBLE DIAGNOSIS
Revision: 2007 April2007 M35/M45
THRTL SEN 1 [V]××The throttle position sensor signal voltage
is displayed.THRTL SEN 2 signal is converted by
ECM internally. Thus, they differs from
ECM terminal voltage signal. THRTL SEN 2 [V]×
FUEL T/TMP SE
[°C] or [°F]×
The fuel temperature (determined by the
signal voltage of the fuel tank tempera-
ture sensor) is displayed.
INT/A TEMP SE
[°C] or [°F]××
The intake air temperature (determined
by the signal voltage of the intake air tem-
perature sensor) is indicated.
EVAP SYS PRES
[V]×
The signal voltage of EVAP control sys-
tem pressure sensor is displayed.
FPCM DR VOLT
[V]
The voltage between fuel pump and
FPCM is displayed.
FUEL LEVEL SE
[V]×
The signal voltage of the fuel level sensor
is displayed.
START SIGNAL
[ON/OFF]××
Indicates start signal status [ON/OFF]
computed by the ECM according to the
signals of engine speed and battery volt-
age.
After starting the engine, [OFF] is dis-
played regardless of the starter signal.
CLSD THL POS
[ON/OFF]××
Indicates idle position [ON/OFF] com-
puted by ECM according to the accelera-
tor pedal position sensor signal.
AIR COND SIG
[ON/OFF]××
Indicates [ON/OFF] condition of the air
conditioner switch as determined by the
air conditioner signal.
P/N POSI SW
[ON/OFF]××
Indicates [ON/OFF] condition from the
park/neutral position (PNP) switch signal.
PW/ST SIGNAL
[ON/OFF]××
[ON/OFF] condition of the power steering
system (determined by the signal voltage
of the power steering pressure sensor
signal) is indicated.
LOAD SIGNAL
[ON/OFF]××
Indicates [ON/OFF] condition from the
electrical load signal.
ON: Rear window defogger switch is ON
and/or lighting switch is in 2nd position.
OFF: Both rear window defogger switch
and lighting switch are OFF.
IGNITION SW
[ON/OFF]×
Indicates [ON/OFF] condition from igni-
tion switch signal.
HEATER FAN SW
[ON/OFF]×
Indicates [ON/OFF] condition from the
heater fan switch signal.
BRAKE SW
[ON/OFF]×
Indicates [ON/OFF] condition from the
stop lamp switch signal.
INJ PULSE-B1
[msec]×
Indicates the actual fuel injection pulse
width compensated by ECM according to
the input signals.When the engine is stopped, a certain
computed value is indicated.
INJ PULSE-B2
[msec]
IGN TIMING
[BTDC]×
Indicates the ignition timing computed by
ECM according to the input signals.When the engine is stopped, a certain
value is indicated.
CAL/LD VALUE [%]
“Calculated load value” indicates the
value of the current air flow divided by
peak air flow. Monitored item
[Unit]ECM
INPUT
SIG-
NALSMAIN
SIG-
NALSDescription Remarks

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INFINITI M35 2007 Factory Service Manual TROUBLE DIAGNOSIS
EC-129
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Revision: 2007 April2007 M35/M45MASS AIRFLOW
[g·m/s]Indicates the mass air flow computed by
ECM according to the signal voltage of
the

TROUBLE DIAGNOSIS
EC-129
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Revision: 2007 April2007 M35/M45MASS AIRFLOW
[g·m/s]Indicates the mass air flow computed by
ECM according to the signal voltage of
the mass air flow sensor.
PURG VOL C/V
[%]
Indicates the EVAP canister purge vol-
ume control solenoid valve control value
computed by the ECM according to the
input signals.
The opening becomes larger as the value
increases.
INT/V TIM (B1)
[°CA]
Indicates [°CA] of intake camshaft
advanced angle.
INT/V TIM (B2)
[°CA]
INT/V SOL (B1) [%]
The control value of the intake valve tim-
ing control solenoid valve (determined by
ECM according to the input signals) is
indicated.
The advance angle becomes larger as
the value increases. INT/V SOL (B2) [%]
AIR COND RLY
[ON/OFF]×
The air conditioner relay control condition
(determined by ECM according to the
input signals) is indicated.
FUEL PUMP RLY
[ON/OFF]×
Indicates the fuel pump relay control con-
dition determined by ECM according to
the input signals.
FPCM [HI/LOW]×
The control condition of the fuel pump
control module (FPCM) (determined by
the ECM according to the input signal) is
indicated.
VENT CONT/V
[ON/OFF]
The control condition of the EVAP canis-
ter vent control valve (determined by
ECM according to the input signals) is
indicated.
ON: Closed
OFF: Open
THRTL RELAY
[ON/OFF]×
Indicates the throttle control motor relay
control condition determined by the ECM
according to the input signals.
HO2S2 HTR (B1)
[ON/OFF]
Indicates [ON/OFF] condition of heated
oxygen sensor 2 heater determined by
ECM according to the input signals. HO2S2 HTR (B2)
[ON/OFF]
I/P PULLY SPD
[rpm]
Indicates the engine speed computed
from the turbine revolution sensor signal.
VEHICLE SPEED
[km/h] or [MPH]
The vehicle speed computed from the
vehicle speed signal sent from TCM is
displayed.
IDL A/V LEARN
[YET/CMPLT]
Display the condition of idle air volume
learning
YET: Idle Air Volume Learning has not
been performed yet.
CMPLT: Idle Air Volume Learning has
already been performed successfully. Monitored item
[Unit]ECM
INPUT
SIG-
NALSMAIN
SIG-
NALSDescription Remarks

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INFINITI M35 2007 Factory Service Manual EC-130
[VQ35DE]
TROUBLE DIAGNOSIS
Revision: 2007 April2007 M35/M45
TRVL AFTER MIL
[km] or [mile]Distance traveled while MIL is activated.
A/F S1 HTR (B1)
[%]
Air fuel ratio (A/F) sensor 1 heater c

EC-130
[VQ35DE]
TROUBLE DIAGNOSIS
Revision: 2007 April2007 M35/M45
TRVL AFTER MIL
[km] or [mile]Distance traveled while MIL is activated.
A/F S1 HTR (B1)
[%]
Air fuel ratio (A/F) sensor 1 heater control
value computed by ECM according to the
input signals.
The current flow to the heater becomes
larger as the value increases. A/F S1 HTR (B2)
[%]
AC PRESS SEN
[V]
The signal voltage from the refrigerant
pressure sensor is displayed.
VHCL SPEED SE
[km/h] or [mph]
The vehicle speed computed from the
vehicle speed signal sent from combina-
tion meter is displayed.
SET VHCL SPD
[km/h] or [mph]
The preset vehicle speed is displayed.
MAIN SW
[ON/OFF]
Indicates [ON/OFF] condition from MAIN
switch signal.
CANCEL SW
[ON/OFF]
Indicates [ON/OFF] condition from CAN-
CEL switch signal.
RESUME/ACC SW
[ON/OFF]
Indicates [ON/OFF] condition from
RESUME/ACCELERATE switch signal.
SET SW
[ON/OFF]
Indicates [ON/OFF] condition from SET/
COAST switch signal.
BRAKE SW1
[ON/OFF]
Indicates [ON/OFF] condition from ASCD
brake switch signal.
BRAKE SW2
[ON/OFF]
Indicates [ON/OFF] condition of stop
lamp switch signal.
DIST SW
[ON/OFF]
Indicates [ON/OFF] condition from DIS-
TANCE switch signal.
CRUISE LAMP
[ON/OFF]
Indicates [ON/OFF] condition of CRUISE
lamp determined by the ECM according
to the input signals.
SET LAMP
[ON/OFF]
Indicates [ON/OFF] condition of SET
lamp determined by the ECM according
to the input signals.
FAN DUTY [%]
Indicates a command value for cooling
fan. The value is calculated by ECM
based on input signals.
AC EVA TEMP [°C]
Indicates A/C evaporator temperature
sent from “unified meter and A/C amp.”.
AC EVA TARGET
[°C]
Indicates target A/C evaporator tempera-
ture sent from “unified meter and A/C
amp.”.
ALT DUTY [%]
Indicates the duty ratio of the power gen-
eration command value. The ratio is cal-
culated by ECM based on the battery
current sensor signal.
BAT CUR SEN
[mV]
The signal voltage of battery current sen-
sor is displayed. Monitored item
[Unit]ECM
INPUT
SIG-
NALSMAIN
SIG-
NALSDescription Remarks

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INFINITI M35 2007 Factory Service Manual TROUBLE DIAGNOSIS
EC-131
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Revision: 2007 April2007 M35/M45
NOTE:
Any monitored item that does not match the vehicle being diagnosed is deleted from the display automa

Page 1661 of 4647

INFINITI M35 2007 Factory Service Manual EC-132
[VQ35DE]
TROUBLE DIAGNOSIS
Revision: 2007 April2007 M35/M45
ACTIVE TEST MODE
Test Item
TEST ITEM CONDITION JUDGEMENT CHECK ITEM (REMEDY)
FUEL INJEC-
TION
Engine: Return to the original
troubl

EC-132
[VQ35DE]
TROUBLE DIAGNOSIS
Revision: 2007 April2007 M35/M45
ACTIVE TEST MODE
Test Item
TEST ITEM CONDITION JUDGEMENT CHECK ITEM (REMEDY)
FUEL INJEC-
TION
Engine: Return to the original
trouble condition
Change the amount of fuel injec-
tion using CONSULT-II.If trouble symptom disappears, see
CHECK ITEM.
Harness and connectors
Fuel injector
Air fuel ratio (A/F) sensor 1
IGNITION TIM-
ING
Engine: Return to the original
trouble condition
Timing light: Set
Retard the ignition timing using
CONSULT-II.If trouble symptom disappears, see
CHECK ITEM.
Perform Idle Air Volume Learning.
POWER BAL-
ANCE
Engine: After warming up, idle
the engine.
A/C switch OFF
Selector lever: P or N
Cut off each injector signal one at
a time using CONSULT-II.Engine runs rough or dies.
Harness and connectors
Compression
Fuel injector
Power transistor
Spark plug
Ignition coil
ENG COOLANT
TEMP
Engine: Return to the original
trouble condition
Change the engine coolant tem-
perature using CONSULT-II.If trouble symptom disappears, see
CHECK ITEM.
Harness and connectors
Engine coolant temperature sen-
sor
Fuel injector
FUEL PUMP
RELAY
Ignition switch: ON (Engine
stopped)
Turn the fuel pump relay ”ON”
and ”OFF” using CONSULT-II
and listen to operating sound.Fuel pump relay makes the operat-
ing sound.Harness and connectors
Fuel pump relay
PURG VOL
CONT/V
Engine: After warming up, run
engine at 1,500 rpm.
Change the EVAP canister purge
volume control solenoid valve
opening percent using CON-
SULT-II.Engine speed changes according to
the opening percent.Harness and connectors
Solenoid valve
FUEL/T TEMP
SEN
Change the fuel tank temperature using CONSULT-II.
VENT CON-
TROL/V
Ignition switch: ON (Engine
stopped)
Turn solenoid valve ”ON” and
”OFF” with the CONSULT-II and
listen to operating sound.Solenoid valve makes an operating
sound.Harness and connectors
Solenoid valve
FPCM
Engine: Returns to the original
trouble condition
Select “LOW” and “HI” with CON-
SULT-II.If trouble symptom disappears, see
CHECK ITEM.
Harness and connectors
FPCM
V/T ASSIGN
ANGLE
Engine: Return to the original
trouble condition
Change intake valve timing using
CONSULT-II.If trouble symptom disappears, see
CHECK ITEM.
Harness and connectors
Intake valve timing control sole-
noid valve

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INFINITI M35 2007 Factory Service Manual TROUBLE DIAGNOSIS
EC-133
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Revision: 2007 April2007 M35/M45
*: Leaving cooling fan OFF with CONSULT-II while engine is running may cause the engine to overheat.
DTC &

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INFINITI M35 2007 Factory Service Manual EC-134
[VQ35DE]
TROUBLE DIAGNOSIS
Revision: 2007 April2007 M35/M45
REAL TIME DIAGNOSIS IN DATA MONITOR MODE (RECORDING VEHICLE DATA)
Description
CONSULT-II has two kinds of triggers and they can be se

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INFINITI M35 2007 Factory Service Manual TROUBLE DIAGNOSIS
EC-135
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Revision: 2007 April2007 M35/M45
Operation
1. “AUTO TRIG”
While trying to detect the DTC/1st trip DTC by performing the “DTC Confirma

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