Nissan Murano Z51 (2008 year). Manual — part 166
EC-472
< ECU DIAGNOSIS >
[VQ35DE]
ECM
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
—
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
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
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
COOLING FAN
• Engine: After warming up, idle the
engine
• Air conditioner switch: OFF
Engine coolant temperature: 97
°
C
(206
°
F) or less
OFF
Engine coolant temperature: Between
98
°
C (208
°
F) and 99
°
C (210
°
F)
LOW
Engine coolant temperature: Between
100
°
C (212
°
F) and 104
°
C (219
°
F)
MID
Engine coolant temperature: 105
°
C
(221
°
F) or more
HI
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
Monitor Item
Condition
Values/Status
Revision: 2008 October
2009 Murano
ECM
EC-473
< ECU DIAGNOSIS >
[VQ35DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
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
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-III value with the speedometer in-
dication.
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
ENG OIL TEMP
• Engine: After warming up
More than 70
°
C (158
°
F)
TRVL AFTER MIL
• Ignition switch: ON
Vehicle has traveled after MIL has illumi-
nated.
0 - 65,535 km
(0 - 40,723 miles)
A/F S1 HTR (B1)
• Engine: After warming up, idle the engine
(More than 140 seconds after starting engine)
4 - 100%
A/F S1 HTR (B2)
• Engine: After warming up, idle the engine
(More than 140 seconds after starting engine)
4 - 100%
AC PRESS SEN
• Engine: Idle
• Both A/C switch and blower fan switch: ON (Compressor operates)
1.0 - 4.0 V
VHCL SPEED SE
• Turn drive wheels and compare CONSULT-III value with the speedometer in-
dication.
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
(ASCD brake 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
Monitor Item
Condition
Values/Status
Revision: 2008 October
2009 Murano
EC-474
< ECU DIAGNOSIS >
[VQ35DE]
ECM
*1: Accelerator pedal position sensor 2 signal and throttle position sensor 2 signal are converted by ECM internally. Thus, they differ
from ECM terminals voltage signal.
*2: Before measuring the terminal voltage, confirm that the battery is fully charged. Refer to
TERMINAL LAYOUT
PHYSICAL VALUES
NOTE:
• ECM is located in the engine room left side near battery.
• Specification data are reference values.
• Pulse signal is measured by CONSULT-III.
ALT DUTY
• Engine: Idle
0 - 80%
A/F ADJ-B1
• Engine: Running
−
0.330 - 0.330
A/F ADJ-B2
• Engine: Running
−
0.330 - 0.330
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
ALT DUTY SIG
• Power generation voltage variable control: Operating
ON
• Power generation voltage variable control: Not operating
OFF
Monitor Item
Condition
Values/Status
PBIA9221J
Terminal No.
Description
Condition
Value
(Approx.)
+
-–
Signal name
Input/
Output
1
(P/B)
112
(B)
Fuel injector No. 6
Output
[Engine is running]
• Warm-up condition
• Idle speed
NOTE:
The pulse cycle changes de-
pending on rpm at idle
BATTERY VOLTAGE
(11 - 14 V)
3
(L/W)
Fuel injector No. 5
29
(LG/R)
Fuel injector No. 4
30
(R/Y)
Fuel injector No. 3
[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm
BATTERY VOLTAGE
(11 - 14 V)
31
(R/W)
Fuel injector No. 2
32
(R/B)
Fuel injector No. 1
2
(G/W)
112
(B)
Throttle control motor power
supply
Input
[Ignition switch: ON]
BATTERY VOLTAGE
(11 - 14 V)
JMBIA0047GB
JMBIA0048GB
Revision: 2008 October
2009 Murano
ECM
EC-475
< ECU DIAGNOSIS >
[VQ35DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
4
(BR/Y)
112
(B)
A/F sensor 1 heater
(bank 1)
Output
[Engine is running]
• Warm-up condition
• Idle speed
(More than 140 seconds after
starting engine)
2.9 - 8.8 V
5
(L)
112
(B)
Throttle control motor (Open)
Output
[Ignition switch: ON]
• Engine stopped
• Selector lever: D position
• Accelerator pedal: Fully de-
pressed
0 - 14 V
[Ignition switch: ON]
• Engine stopped
• Selector lever: D position
• Accelerator pedal: Fully re-
leased
0 - 14 V
6
(P)
112
(B)
Throttle control motor (Close)
Output
[Ignition switch: ON]
• Engine stopped
• Selector lever: D position
• Accelerator pedal: Fully re-
leased
0 - 14 V
8
(SB)
112
(B)
A/F sensor 1 heater (bank 2)
Output
[Engine is running]
• Warm-up condition
• Idle speed
(More than 140 seconds after
starting engine)
2.9 - 8.8 V
Terminal No.
Description
Condition
Value
(Approx.)
+
-–
Signal name
Input/
Output
JMBIA0902GB
JMBIA0031GB
JMBIA0032GB
JMBIA1125GB
JMBIA0030GB
Revision: 2008 October
2009 Murano
EC-476
< ECU DIAGNOSIS >
[VQ35DE]
ECM
9
(L/B)
112
(B)
Ignition signal No. 3
Output
[Engine is running]
• Warm-up condition
• Idle speed
NOTE:
The pulse cycle changes de-
pending on rpm at idle
0 - 0.2 V
10
(G/R)
Ignition signal No. 2
11
(Y/R)
Ignition signal No. 1
18
(GR/R)
Ignition signal No. 6
[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm
0.1 - 0.4 V
19
(P)
Ignition signal No. 5
21
(W)
Ignition signal No. 4
12
(B)
—
ECM ground
—
—
—
13
(P/B)
112
(B)
Heated oxygen sensor 2 heat-
er (bank 1)
Output
[Engine is running]
• Engine speed: Below 3,600
rpm after the following condi-
tions are met
- Engine: after warming up
- Keeping the engine speed be-
tween 3,500 and 4,000 rpm
for 1 minute and at idle for 1
minute under no load
10 V
[Ignition switch: ON]
• Engine stopped
[Engine is running]
• Engine speed: Above 3,600
rpm
BATTERY VOLTAGE
(11 - 14 V)
14
(GR)
112
(B)
Fuel pump relay
Output
[Ignition switch: ON]
• For 1 second after turning ig-
nition switch ON
[Engine is running]
0 - 1.5 V
[Ignition switch: ON]
• More than 1 second after turn-
ing ignition switch ON
BATTERY VOLTAGE
(11 - 14 V)
15
(O)
112
(B)
Throttle control motor relay
Output
[Ignition switch: ON
→
OFF]
0 - 1.0 V
→
BATTERY VOLTAGE
(11 - 14 V)
→
0 V
[Ignition switch: ON]
0 - 1.0 V
16
(B/Y)
—
ECM ground
—
—
—
Terminal No.
Description
Condition
Value
(Approx.)
+
-–
Signal name
Input/
Output
JMBIA0035GB
JMBIA0036GB
JMBIA0902GB
Revision: 2008 October
2009 Murano
ECM
EC-477
< ECU DIAGNOSIS >
[VQ35DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
17
(R)
112
(B)
Heated oxygen sensor 2 heat-
er (bank 2)
Output
[Engine is running]
• Engine speed: Below 3,600
rpm after the following condi-
tions are met
- Engine: after warming up
- Keeping the engine speed be-
tween 3,500 and 4,000 rpm
for 1 minute and at idle for 1
minute under no load
10 V
[Ignition switch: ON]
• Engine stopped
[Engine is running]
• Engine speed: Above 3,600
rpm
BATTERY VOLTAGE
(11 - 14 V)
24
(W/B)
112
(B)
ECM relay
(Self shut-off)
Output
[Engine is running]
[Ignition switch: OFF]
• A few seconds after turning
ignition switch OFF
0 - 1.5 V
[Ignition switch: OFF]
• More than a few seconds after
turning ignition switch OFF
BATTERY VOLTAGE
(11 - 14 V)
25
(P/L)
112
(B)
EVAP canister purge volume
control solenoid valve
Output
[Engine is running]
• Idle speed
• Accelerator pedal: Not de-
pressed even slightly, after
engine starting
BATTERY VOLTAGE
(11 - 14 V)
[Engine is running]
• Engine speed: approximately
2,000 rpm (More than 100
seconds after starting engine)
BATTERY VOLTAGE
(11 - 14 V)
26
(GR/R)*
3
(GR/B)*
4
112
(B)
VIAS control solenoid valve 2
Output
[Engine is running]
• Warm-up condition
• Idle speed
BATTERY VOLTAGE
(11 - 14 V)
[Engine is running]
• Warm-up condition
• When revving engine up to
5,000 rpm quickly
BATTERY VOLTAGE (11 - 14 V)
↓
0 - 1.0 V
↓
BATTERY VOLTAGE (11 - 14 V)
27
(V)
112
(B)
VIAS control solenoid valve 1
Output
[Engine is running]
• Warm-up condition
• Idle speed
BATTERY VOLTAGE
(11 - 14 V)
[Engine is running]
• Warm-up condition
• When revving engine up to
5,000 rpm quickly
BATTERY VOLTAGE (11 - 14 V)
↓
0 - 1.0 V
↓
BATTERY VOLTAGE (11 - 14 V)
Terminal No.
Description
Condition
Value
(Approx.)
+
-–
Signal name
Input/
Output
JMBIA0902GB
JMBIA0039GB
JMBIA0040GB
Revision: 2008 October
2009 Murano
EC-478
< ECU DIAGNOSIS >
[VQ35DE]
ECM
28
(BR/W)
112
(B)
Electronic controlled engine
mount control solenoid valve
Output
[Engine is running]
• Idle speed
0 - 1.0 V
[Engine is running]
• Engine speed: More than 950
rpm
BATTERY VOLTAGE
(11 - 14 V)
33
(W)
112
(B)
Heated oxygen sensor 2
(bank 1)
Input
[Engine is running]
• Revving engine from idle to
3,000 rpm quickly after the fol-
lowing conditions are met
- Engine: after warming up
- Keeping the engine speed be-
tween 3,500 and 4,000 rpm
for 1 minute and at idle for 1
minute under no load
0 - 1.0 V
34
(W/L)
112
(B)
Heated oxygen sensor 2
(bank 2)
Input
[Engine is running]
• Revving engine from idle to
3,000 rpm quickly after the fol-
lowing conditions are met
- Engine: after warming up
- Keeping the engine speed be-
tween 3,500 and 4,000 rpm
for 1 minute and at idle for 1
minute under no load
0 - 1.0 V
35
(B)
—
Sensor ground
(Heated oxygen sensor 2)
—
—
—
36
(B)
—
Sensor ground
(Throttle position sensor)
—
—
—
37
(W)
112
(B)
Throttle position sensor 1
Input
[Ignition switch: ON]
• Engine stopped
• Selector lever: D position
• Accelerator pedal: Fully re-
leased
More than 0.36 V
[Ignition switch: ON]
• Engine stopped
• Selector lever: D position
• Accelerator pedal: Fully de-
pressed
Less than 4.75 V
38
(R)
112
(B)
Throttle position sensor 2
Input
[Ignition switch: ON]
• Engine stopped
• Selector lever: D position
• Accelerator pedal: Fully re-
leased
Less than 4.75 V
[Ignition switch: ON]
• Engine stopped
• Selector lever: D position
• Accelerator pedal: Fully de-
pressed
More than 0.36 V
39
(R)
40
(G)
Refrigerant pressure sensor
Input
[Engine is running]
• Warm-up condition
• Both A/C switch and blower
fan motor switch: ON (Com-
pressor operates)
1.0 - 4.0 V
40
(G)
—
Sensor ground
(Refrigerant pressure sensor)
—
—
—
Terminal No.
Description
Condition
Value
(Approx.)
+
-–
Signal name
Input/
Output
Revision: 2008 October
2009 Murano
ECM
EC-479
< ECU DIAGNOSIS >
[VQ35DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
41
(O/B)
48
(B/P)
Power steering pressure sen-
sor
Output
[Engine is running]
• Steering wheel: Being turned
0.5 - 4.5 V
[Engine is running]
• Steering wheel: Not being
turned
0.4 - 0.8 V
42
(BR)
44
(G/B)
Battery current sensor
Input
[Engine is running]
• Battery: Fully charged*
2
• Idle speed
2.6 - 3.5 V
44
(G/B)
—
Sensor ground
(Battery current sensor)
—
—
—
45
(P)
49
(L)
A/F sensor 1 (bank 1)
Input
[Ignition switch: ON]
2.2 V
46
(Y)
52
(B/R)
Engine coolant temperature
sensor
Input
[Engine is running]
0 - 4.8 V
Output voltage varies with engine
coolant temperature.
47
(G)
36
(B)
Sensor power supply
(Throttle position sensor)
—
[Ignition switch: ON]
5 V
48
(B/P)
—
Sensor ground
(Power steering pressure
sensor)
—
—
—
49
(L)
112
(B)
A/F sensor 1 (bank 1)
Input
[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm
1.8 V
Output voltage varies with air fuel
ratio.
50
(L/Y)
56
(G/B)
Intake air temperature sensor
Input
[Engine is running]
0 - 4.8 V
Output voltage varies with intake
air temperature.
51
(R/Y)
44
(G/B)
Sensor power supply
(Battery current sensor)
—
[Ignition switch: ON]
5 V
52
(B/R)
—
Sensor ground
(Engine coolant temperature
sensor/Engine oil tempera-
ture sensor)
—
—
—
53
(V)
57
(LG)
A/F sensor 1 (bank 2)
Input
[Ignition switch: ON]
2.2 V
54
(G)
52
(B/R)
Engine oil temperature sensor
Input
[Engine is running]
0 - 4.8 V
Output voltage varies with engine
oil temperature.
55
(SB)
48
(Y)
Sensor power supply
(Power steering pressure
sensor)
—
[Ignition switch: ON]
5 V
56
(G/B)
—
Sensor ground
(Mass air flow sensor/Intake
air temperature sensor)
—
—
—
57
(LG)
112
(B)
A/F sensor 1 (bank 2)
Input
[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm
1.8 V
Output voltage varies with air fuel
ratio.
58
(O)
56
(G/B)
Mass air flow sensor
Input
[Engine is running]
• Warm-up condition
• Idle speed
0.9 - 1.2 V
[Engine is running]
• Warm-up condition
• Engine speed: 2,500 rpm
1.6 - 1.9 V
Terminal No.
Description
Condition
Value
(Approx.)
+
-–
Signal name
Input/
Output
Revision: 2008 October
2009 Murano
EC-480
< ECU DIAGNOSIS >
[VQ35DE]
ECM
59
(G/W)
64
(B/R)
Sensor power supply
[Camshaft position sensor
(PHASE) (bank 1)]
—
[Ignition switch: ON]
5 V
60
(Y/B)
—
Sensor ground
[Crankshaft position sensor
(POS)]
—
—
—
61
(B)
67
(—)
Knock sensor (bank 1)
Input
[Engine is running]
• Idle speed
2.5 V*
1
62
(W)
67
(—)
Knock sensor (bank 2)
Input
[Engine is running]
• Idle speed
2.5 V*
1
63
(R/W)
68
(Y/G)
Sensor power supply
[Camshaft position sensor
(PHASE) (bank 2)]
—
[Ignition switch: ON]
5 V
64
(B/R)
—
Sensor ground
[Camshaft position sensor
(PHASE) (bank 1)]
—
—
—
65
(W/B)
60
(Y/B)
Crankshaft position sensor
(POS)
Input
[Engine is running]
• Warm-up condition
• Idle speed
NOTE:
The pulse cycle changes de-
pending on rpm at idle
4.0 - 5.0 V
[Engine is running]
• Engine speed: 2,000 rpm
4.0 - 5.0 V
67
(—)
—
Sensor ground
(Knock sensor)
—
—
—
68
(Y/G)
—
Sensor ground
[Camshaft position sensor
(PHASE) (bank 2)]
—
—
—
69
(BR/W)
68
(Y/G)
Camshaft position sensor
(PHASE) (bank 2)
Input
[Engine is running]
• Warm-up condition
• Idle speed
NOTE:
The pulse cycle changes de-
pending on rpm at idle
3.0 - 5.0 V
[Engine is running]
• Engine speed is 2,000 rpm
3.0 - 5.0 V
Terminal No.
Description
Condition
Value
(Approx.)
+
-–
Signal name
Input/
Output
JMBIA0041GB
JMBIA0042GB
JMBIA0045GB
JMBIA0046GB
Revision: 2008 October
2009 Murano
ECM
EC-481
< ECU DIAGNOSIS >
[VQ35DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
70
(W/R)
64
(B/R)
Camshaft position sensor
(PHASE) (bank 1)
Input
[Engine is running]
• Warm-up condition
• Idle speed
NOTE:
The pulse cycle changes de-
pending on rpm at idle
3.0 - 5.0 V
[Engine is running]
• Engine speed is 2,000 rpm
3.0 - 5.0 V
72
(BR/W)
40
(G)
Sensor power supply
(Refrigerant pressure sensor)
—
[Ignition switch: ON]
5 V
75
(Y)
112
(B)
Intake valve timing control so-
lenoid valve (bank 2)
Output
[Engine is running]
• Warm-up condition
• Idle speed
BATTERY VOLTAGE
(11 - 14 V)
[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm
7 - 12 V
76
(R/G)
60
(Y/B)
Sensor power supply
[Crankshaft position sensor
(POS)]
—
[Ignition switch: ON]
5 V
77
(W/L)
112
(B)
Power supply for ECM (Back-
up)
Input
[Ignition switch: OFF]
BATTERY VOLTAGE
(11 - 14 V)
78
(R/L)
112
(B)
Intake valve timing control so-
lenoid valve (bank 1)
Output
[Engine is running]
• Warm-up condition
• Idle speed
BATTERY VOLTAGE
(11 - 14 V)
[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm
7 - 12 V
81
(W)
84
(B)
Accelerator pedal position
sensor 1
Input
[Ignition switch: ON]
• Engine stopped
• Accelerator pedal: Fully re-
leased
0.5 - 1.0 V
[Ignition switch: ON]
• Engine stopped
• Accelerator pedal: Fully de-
pressed
4.2 - 4.8 V
Terminal No.
Description
Condition
Value
(Approx.)
+
-–
Signal name
Input/
Output
JMBIA0045GB
JMBIA0046GB
JMBIA0038GB
JMBIA0038GB
Revision: 2008 October
2009 Murano
EC-482
< ECU DIAGNOSIS >
[VQ35DE]
ECM
82
(O)
100
(G)
Accelerator pedal position
sensor 2
Input
[Ignition switch: ON]
• Engine stopped
• Accelerator pedal: Fully re-
leased
0.25 - 0.50 V
[Ignition switch: ON]
• Engine stopped
• Accelerator pedal: Fully de-
pressed
2.0 - 2.5 V
83
(BR)
84
(B)
Sensor power supply
(Accelerator pedal position
sensor 1)
—
[Ignition switch: ON]
5 V
84
(B)
—
Sensor ground
(Accelerator pedal position
sensor 1)
—
—
—
85
(Y)
92
(BR)
ASCD steering switch
Input
[Ignition switch: ON]
• ASCD steering switch: OFF
4 V
[Ignition switch: ON]
• MAIN switch: Pressed
0 V
[Ignition switch: ON]
• CANCEL switch: Pressed
1 V
[Ignition switch: ON]
• RESUME/ACCELERATE
switch: Pressed
3 V
[Ignition switch: ON]
• SET/COAST switch: Pressed
2 V
86
(SB)
96
(GR)
EVAP control system pres-
sure sensor
Input
[Ignition switch: ON]
1.8 - 4.8 V
87
(GR)
100
(G)
Sensor power supply
(Accelerator pedal position
sensor 2)
—
[Ignition switch: ON]
5 V
88
(O)
—
Data link connector
Input/
Output
—
—
91
(L)
96
(GR)
Sensor power supply
(EVAP control system pres-
sure sensor)
—
[Ignition switch: ON]
5 V
92
(BR)
—
Sensor ground
(ASCD steering switch)
—
—
—
93
(BR)
112
(B)
Ignition switch
Input
[Ignition switch: OFF]
0 V
[Ignition switch: ON]
BATTERY VOLTAGE
(11 - 14 V)
Terminal No.
Description
Condition
Value
(Approx.)
+
-–
Signal name
Input/
Output
Revision: 2008 October
2009 Murano
ECM
EC-483
< ECU DIAGNOSIS >
[VQ35DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
94
(GR)
112
(B)
Engine speed output signal
Output
[Engine is running]
• Warm-up condition
• Idle speed
NOTE:
The pulse cycle changes de-
pending on rpm at idle
1 V
[Engine is running]
• Engine speed: 2,000 rpm
1 V
95
(Y)
104
(SB)
Fuel tank temperature sensor
Input
[Engine is running]
0 - 4.8 V
Output voltage varies with fuel tank
temperature.
96
(GR)
—
Sensor ground
(EVAP control system pres-
sure sensor)
—
—
—
97
(P)
—
CAN communication line
Input/
Output
—
—
98
(L)
—
CAN communication line
Input/
Output
—
—
100
(G)
—
Sensor ground
(Accelerator pedal position
sensor 2)
—
—
—
102
(R)
112
(B)
PNP signal
Input
[Ignition switch: ON]
• Selector lever: P or N position
BATTERY VOLTAGE
(11 - 14 V)
[Ignition switch: ON]
• Selector lever: Except above
position
0 V
104
(SB)
—
Sensor ground
(Fuel tank temperature sen-
sor)
—
—
—
105
(V)
112
(B)
Power supply for ECM
Input
[Ignition switch: ON]
BATTERY VOLTAGE
(11 - 14 V)
106
(SB)
112
(B)
Stop lamp switch
Input
[Ignition switch: OFF]
• Brake pedal: Fully released
0 V
[Ignition switch: OFF]
• Brake pedal: Slightly de-
pressed
BATTERY VOLTAGE
(11 - 14 V)
107
(B)
108
(B)
—
ECM ground
—
—
—
109
(W)
112
(B)
EVAP canister vent control
valve
Output
[Ignition switch: ON]
BATTERY VOLTAGE
(11 - 14 V)
Terminal No.
Description
Condition
Value
(Approx.)
+
-–
Signal name
Input/
Output
JMBIA0076GB
JMBIA0077GB
Revision: 2008 October
2009 Murano
EC-484
< ECU DIAGNOSIS >
[VQ35DE]
ECM
: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)
*1: This may vary depending on internal resistance of the tester.
*2: Before measuring the terminal voltage, confirm that the battery is fully charged. Refer to
*3: Up to VIN JN8AZ18U*9W100000, JN8AZ18W*9W200000, JN8AZ18U*9W710000, JN8AZ18W*9W810000.
*4: From VIN JN8AZ18U*9W100001, JN8AZ18W*9W200001, JN8AZ18U*9W710001, JN8AZ18W*9W810001.
Wiring Diagram—ENGINE CONTROL SYSTEM—
INFOID:0000000003388286
NOTE:
• Type A Up to VIN: JN8AZ18U*9W100000, JN8AZ18W*9W200000 (EXCEPT FOR MEXICO),
JN8AZ18U*9W710000, JN8AZ18W*9W810000 (FOR MEXICO)
• Type B From VIN: JN8AZ18U*9W100001, JN8AZ18W*9W200001 (EXCEPT FOR MEXICO),
JN8AZ18U*9W710001, JN8AZ18W*9W810001 (FOR MEXICO)
Up to VIN: JN8AZ18U*9W100000, JN8AZ18W*9W200000 (EXCEPT FOR MEXICO),
110
(G)
112
(B)
ASCD brake switch
Input
[Ignition switch: ON]
• Brake pedal: Slightly de-
pressed
0 V
[Ignition switch: ON]
• Brake pedal: Fully released
BATTERY VOLTAGE
(11 - 14 V)
111
(B)
112
(B)
—
ECM ground
—
—
—
Terminal No.
Description
Condition
Value
(Approx.)
+
-–
Signal name
Input/
Output
Revision: 2008 October
2009 Murano
ECM
EC-485
< ECU DIAGNOSIS >
[VQ35DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
JN8AZ18U*9W710000, JN8AZ18W*9W810000 (FOR MEXICO)
JCBWM1036GB
Revision: 2008 October
2009 Murano
EC-486
< ECU DIAGNOSIS >
[VQ35DE]
ECM
JCBWM1037GB
Revision: 2008 October
2009 Murano
ECM
EC-487
< ECU DIAGNOSIS >
[VQ35DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
JCBWM1038GB
Revision: 2008 October
2009 Murano
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