Nissan Pathfinder. Manual — part 442
EC-74
< ECU DIAGNOSIS INFORMATION >
[VQ35DE]
ECM
TP SEN 1-B1
• Ignition switch: ON
(Engine stopped)
• Selector lever: D position
Accelerator pedal: Fully released
More than 0.36 V
Accelerator pedal: Fully depressed
Less than 4.75 V
TP SEN 2-B1*
1
• Ignition switch: ON
(Engine stopped)
• Selector lever: D position
Accelerator pedal: Fully released
More than 0.36 V
Accelerator pedal: Fully depressed
Less than 4.75 V
FUEL T/TMP SE
Ignition switch: ON
Indicates fuel tank tempera-
ture
EVAP SYS PRES
Ignition switch: ON
Approx. 1.8 - 4.8 V
FUEL LEVEL SE
Ignition switch: ON
Depending on fuel level of
fuel tank
START SIGNAL
Ignition switch: ON
→ START → ON
Off
→ On → Off
CLSD THL POS
Ignition switch: ON
(Engine stopped)
Accelerator pedal: Fully released
On
Accelerator pedal: Slightly depressed
Off
AIR COND SIG
Engine: After warming up, idle the
engine
Air conditioner switch: OFF
Off
Air conditioner switch: ON
(Compressor operates.)
On
PW/ST SIGNAL
Engine: After warming up, idle the
engine
Steering wheel: Not being turned
Off
Steering wheel: Being turned
On
LOAD SIGNAL
Ignition switch: ON
Rear window defogger switch: ON
and/or
Lighting switch: 2nd position
On
Rear window defogger switch and lighting
switch: OFF
Off
IGNITION SW
Ignition switch: ON
→ OFF → ON
On
→ Off → On
HEATER FAN SW
Engine: After warming up, idle the
engine
Heater fan switch: ON
On
Heater fan switch: OFF
Off
BRAKE SW
Ignition switch: ON
Brake pedal: Fully released
Off
Brake pedal: Slightly depressed
On
INJ PULSE-B1
• Engine: After warming up
• Selector lever: P or N position
• Air conditioner switch: OFF
• No load
Idle
2.0 - 3.0 msec
2,000 rpm
1.9 - 2.9 msec
INJ PULSE-B2
• Engine: After warming up
• Selector lever: P or N position
• Air conditioner switch: OFF
• No load
Idle
2.0 - 3.0 msec
2,000 rpm
1.9 - 2.9 msec
IGN TIMING
• Engine: After warming up
• Selector lever: P or N position
• Air conditioner switch: OFF
• No load
Idle
7 - 17
°BTDC
2,000 rpm
25 - 45
°BTDC
CAL/LD VALUE
• Engine: After warming up
• Selector lever: P or N position
• Air conditioner switch: OFF
• No load
Idle
5 - 35%
2,500 rpm
5 - 35%
MASS AIRFLOW
• Engine: After warming up
• Selector lever: P or N position
• Air conditioner switch: OFF
• No load
Idle
2.0 - 6.0 g/s
2,500 rpm
7.0 - 20.0 g/s
PURG VOL C/V
• Engine: After warming up
• Selector lever: P or N position
• Air conditioner switch: OFF
• No load
Idle
(Accelerator pedal: Not depressed even
slightly, after engine starting.)
0%
2,000 rpm
—
Monitor Item
Condition
Values/Status
ECM
EC-75
< ECU DIAGNOSIS INFORMATION >
[VQ35DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
INT/V TIM (B1)
• Engine: After warming up
• Selector lever: P or N position
• Air conditioner switch: OFF
• No load
Idle
−5 - 5°CA
2,000 rpm
Approx. 0 - 30
°CA
INT/V TIM (B2)
• Engine: After warming up
• Selector lever: P or N position
• Air conditioner switch: OFF
• No load
Idle
−5 - 5°CA
2,000 rpm
Approx. 0 - 30
°CA
INT/V SOL(B1)
• Engine: After warming up
• Selector lever: P or N position
• Air conditioner switch: OFF
• No load
Idle
0 - 2%
2,000 rpm
Approx. 0 - 50%
INT/V SOL(B2)
• Engine: After warming up
• Selector lever: P or N position
• Air conditioner switch: OFF
• No load
Idle
0 - 2%
2,000 rpm
Approx. 0 - 50%
VIAS S/V-1
• Engine: After warming up
• Selector lever: P or N position
• Air conditioner switch: OFF
• No load
When revving engine up to 5,000 rpm
quickly
Off
→On → Off
AIR COND RLY
Engine: After warming up, idle the
engine
Air conditioner switch: OFF
Off
Air conditioner switch: ON
(Compressor operates)
On
ENGINE MOUNT
Engine: After warming up
Below 950 rpm
IDLE
Above 950 rpm
TRVL
FUEL PUMP RLY
• For 1 second after turning ignition switch: ON
• Engine running or cranking
On
Except above
Off
VENT CONT/V
Ignition switch: ON
Off
THRTL RELAY
Ignition switch: ON
On
A/F S1 HTR(B2)
Engine: After warming up, idle the engine
(More than 140 seconds after starting engine)
4 - 100%
HO2S2 HTR (B1)
Engine speed: Below 3,600 rpm after the following conditions are met.
• Engine: After warming up
• Keeping the engine speed between 3,500 and 4,000 rpm for 1 minute and at
idle for 1 minute under no load
On
Engine speed: Above 3,600 rpm
Off
HO2S2 HTR (B2)
Engine speed: Below 3,600 rpm after the following conditions are met.
• Engine: After warming up
• Keeping the engine speed between 3,500 and 4,000 rpm for 1 minute and at
idle for 1 minute under no load
On
Engine speed: Above 3,600 rpm
Off
ALT DUTY SIG
Power generation voltage variable control: Operating
On
Power generation voltage variable control: Not operating
Off
I/P PULLY SPD
Vehicle speed: More than 20 km/h (12 MPH)
Almost the same speed as
the tachometer indication
VEHICLE SPEED
Turn drive wheels and compare CONSULT value with the speedometer indica-
tion.
Almost the same speed as
the speedometer indication
IDL A/V LEARN
Engine: Running
Idle air volume learning has not been per-
formed yet.
Yet
Idle air volume learning has already been
performed successfully.
CMPLT
TRVL AFTER MIL
Ignition switch: ON
Vehicle has traveled after MIL has illumi-
nated.
0 - 65,535 km
(0 - 40,723 miles)
Monitor Item
Condition
Values/Status
EC-76
< ECU DIAGNOSIS INFORMATION >
[VQ35DE]
ECM
ENG OIL TEMP
Engine: After warming up
More than 70
°C (158°F)
A/F S1 HTR(B1)
Engine: After warming up, idle the engine
(More than 140 seconds after starting engine)
4 - 100%
VHCL SPEED SE
Turn drive wheels and compare CONSULT value with the speedometer indica-
tion.
Almost the same speed as
the speedometer indication
SET VHCL SPD
Engine: Running
ASCD: Operating
The preset vehicle speed is
displayed
MAIN SW
Ignition switch: ON
MAIN switch: Pressed
On
MAIN switch: Released
Off
CANCEL SW
Ignition switch: ON
CANCEL switch: Pressed
On
CANCEL switch: Released
Off
RESUME/ACC SW
Ignition switch: ON
RESUME/ACCELERATE switch:
Pressed
On
RESUME/ACCELERATE switch: Re-
leased
Off
SET SW
Ignition switch: ON
SET/COAST switch: Pressed
On
SET/COAST switch: Released
Off
BRAKE SW1
(Brake pedal posi-
tion switch)
Ignition switch: ON
Brake pedal: Fully released
On
Brake pedal: Slightly depressed
Off
BRAKE SW2
(Stop lamp switch)
Ignition switch: ON
Brake pedal: Fully released
Off
Brake pedal: Slightly depressed
On
VHCL SPD CUT
Ignition switch: ON
Non
LO SPEED CUT
Ignition switch: ON
Non
AT OD MONITOR
Ignition switch: ON
Off
AT OD CANCEL
Ignition switch: ON
Off
CRUISE LAMP
Ignition switch: ON
MAIN switch: Pressed at the 1st time
→
at the 2nd time
On
→ Off
SET LAMP
• MAIN switch: ON
• When vehicle speed is between
40 km/h (25 MPH) and 144 km/h
(89 MPH)
ASCD: Operating
On
ASCD: Not operating
Off
FAN DUTY
Engine: Running
0 - 100%
ALT DUTY
Engine: Idle
0 - 80%
VIAS S/V-2
• Engine: After warming up
• Selector lever: P or N position
• Air conditioner switch: OFF
• No load
When revving engine up to 5,000 rpm
quickly
Off
→On → Off
BAT CUR SEN
• Engine speed: Idle
• Battery: Fully charged*
2
• Selector lever: P or N position
• Air conditioner switch: OFF
• No load
Approx. 2,600 - 3,500 mV
A/F ADJ-B1
Engine: Running
−0.330 - 0.330
A/F ADJ-B2
Engine: Running
−0.330 - 0.330
P/N POSI SW
Ignition switch: ON
Selector lever: P or N position
On
Selector lever: Except above position
Off
INT/A TEMP SE
Ignition switch: ON
Indicates intake air tempera-
ture
AC PRESS SEN
• Engine: Idle
• Both A/C switch and blower fan switch: ON (Compressor operates)
1.0 - 4.0 V
Monitor Item
Condition
Values/Status
ECM
EC-77
< ECU DIAGNOSIS INFORMATION >
[VQ35DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
A/F SEN1 (B2)
Engine: After warming up
Maintaining engine speed at 2,000 rpm
Fluctuates around 2.2 V
VTC DTY EX B2
*3
—
—
EVAP LEAK DIAG
Ignition switch: ON
Indicates the condition of
EVAP leak diagnosis.
EVAP DIAG READY
Ignition switch: ON
Indicates the ready condition
of EVAP leak diagnosis.
BAT TEMP SEN
• Engine: After warming up
• Selector lever: P or N position
• Air conditioner switch: OFF
• No load
Idle
Indicates the temperature
around the battery.
THRTL STK CNT
B1
*3
—
—
HO2 S2 DIAG1(B2)
DTC P0159 self-diagnosis (delayed response) has not been performed yet.
INCMP
DTC P0159 self-diagnosis (delayed response) has already been performed suc-
cessfully.
CMPLT
A/F SEN1 DIAG1
(B2)
DTC P015C and P015D self-diagnosis is incomplete.
INCMP
DTC P015C and P015D self-diagnosis is complete.
CMPLT
A/F SEN1 DIAG1
(B1)
DTC P015A and P015B self-diagnosis is incomplete.
INCMP
DTC P015A and P015B self-diagnosis is complete.
CMPLT
A/F SEN1 DIAG2
(B2)
DTC P014E and P014F self-diagnosis is incomplete.
INCMP
DTC P014E and P014F self-diagnosis is complete.
CMPLT
A/F SEN1 DIAG2
(B1)
DTC P014C and P014D self-diagnosis is incomplete.
INCMP
DTC P014C and P014D self-diagnosis is complete.
CMPLT
A/F SEN1 DIAG3
(B2)
The vehicle condition is not within the diagnosis range of DTC P014E, P014F,
P015C or P015D.
ABSNT
The vehicle condition is within the diagnosis range of DTC P014E, P014F,
P015C or P015D.
PRSNT
A/F SEN1 DIAG3
(B1)
The vehicle condition is not within the diagnosis range of DTC P014C, P014D,
P015A or P015B.
ABSNT
The vehicle condition is within the diagnosis range of DTC P014C, P014D,
P015A or P015B.
PRSNT
HO2 S2 DIAG2(B2)
DTC P0159 self-diagnosis (slow response) has not been performed yet.
INCMP
DTC P0159 self-diagnosis (slow response) has already been performed suc-
cessfully.
CMPLT
HO2 S2 DIAG2(B1)
DTC P0139 self-diagnosis (slow response) has not been performed yet.
INCMP
DTC P0139 self-diagnosis (slow response) has already been performed suc-
cessfully.
CMPLT
EOP SENSOR
• Engine: After warming up
• Selector lever: P or N position
• Air conditioner switch: OFF
• No load
Idle
Approx. 1,450 mV
2,000 rpm
Approx. 2,850 mV
HO2 S2 DIAG1(B1)
DTC P0139 self-diagnosis (delayed response) has not been performed yet.
INCMP
DTC P0139 self-diagnosis (delayed response) has already been performed suc-
cessfully.
CMPLT
DIST SW
Ignition switch: ON
DISTANCE switch: Pressed
ON
DISTANCE switch: Released
OFF
Monitor Item
Condition
Values/Status
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