Nissan Qashqai J11. Manual — part 484
ECM
EC9-91
< ECU DIAGNOSIS INFORMATION >
[R9M]
C
D
E
F
G
H
I
J
K
L
M
A
EC9
N
P
O
31
(W)
30
(Y)
Accelerator pedal position
sensor 1
Input
[Ignition switch: ON]
• Engine stopped
• Accelerator pedal: Fully re-
leased
0.74 V
[Ignition switch: ON]
• Engine stopped
• Accelerator pedal: Fully de-
pressed
4.54 V
32
(B)
—
ECM ground
—
—
—
35
(R)
29
(B)
Glow plug control (com-
mand)
Output
[Engine is running]
• Engine coolant temperature:
less than 20
°
C (68
°
F)
• Idle speed
12.91 V
[Engine is running]
• Engine coolant temperature:
more than 80
°
C (176
°
F)
• Idle speed
12.8 V
37
(LG)
29
(B)
Voltage stabilizer signal
Output
[Stop/start system operates]
• While cranking of restart
(While operating the starter mo-
tor)
[Engine is running]
• Warm-up condition
• Idle speed
Battery voltage
[Ignition switch: ON]
12.39 V
38
(GR)
29
(B)
Fuel pump relay control
Output
[Ignition switch: ON]
• Fuel Pump relay always is on
0 – 5.17 V
41
(G)
29
(B)
ECM relay
(Self shut-off)
Output
[Engine is running]
[Ignition switch: OFF]
• A few seconds after turning ig-
nition switch OFF
0.78 V
[Ignition switch: OFF]
• More than a few seconds after
turning ignition switch OFF
12.42 V
42
(Y)
29
(B)
Restart relay
Output
[Stop/start system operate]
• While cranking of restart
0 V
(While operating the starter mo-
tor)
[Engine is running]
• Warm-up condition
• Idle speed
11.38 V
43
(R)
29
(B)
Fuel flow actuator
Output
[Engine is running]
• Warm-up condition
• Idle speed
9.6 V
46
(P)
29
(B)
Thermoplunger relay 2
Output
[Engine is running]
During diesel particulate filter re-
generation mode
0 V
[Engine is running]
Except above
13.20 V
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
−
Signal name
Input/
Output
JSBIA5055GB
EC9-92
< ECU DIAGNOSIS INFORMATION >
[R9M]
ECM
49
(G)
29
(B)
Intake manifold runner con-
trol valve motor (-)
Output
[Engine is running]
• Warm-up condition
• Idle speed
14.43 V
50
(BG)
29
(B)
Thermoplunger relay 1
Output
[Engine is running]
During diesel particulate filter re-
generation mode
0 V
[Engine is running]
Except above
13.68 V
53
(Y)
29
(B)
Engine coolant bypass con-
trol solenoid valve
Output
[Engine is running]
Engine cooling temperature:
70
°
C (158
°
F) or more
14.42 V
[Engine is running]
Engine coolant temperature:
less than 30
°
C (86
°
F)
14.42 V
55
(V)
29
(B)
Sensor power supply
(Camshaft position sensor,
Low pressure EGR volume
control valve position sen-
sor, Fuel pressure sensor)
—
[Ignition switch: ON]
5 V
56
(B)
29
(B)
Crankshaft position sensor
Input
[Engine is running]
• Warm-up condition
• Idle speed
NOTE:
The pulse cycle changes de-
pending on rpm at idle
[Engine is running]
• Engine speed: 2,000 rpm
57
(SB)
29
(B)
Thermoplunger relay 3
Output
[Engine is running]
During diesel particulate filter re-
generation mode
0 V
[Engine is running]
Except above
13.67 V
59
(Y)
29
(B)
Sensor power supply
(Turbocharger boost sensor,
mass air flow sensor)
—
[Ignition switch: ON]
5.0 V
60
(R)
29
(B)
Sensor power supply
(Crankshaft position sensor)
—
[Ignition switch: ON]
5.0 V
63
(LG)
29
(B)
Thermoplunger diagnosis 1
Input
[Engine is running]
• Idle speed
• No malfunction in ther-
moplunger system.
13.97 V
65
(SB)
—
Sensor ground
(Low pressure EGR volume
control valve position sen-
sor)
—
—
—
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
−
Signal name
Input/
Output
JSBIA4815ZZ
JSBIA4816ZZ
ECM
EC9-93
< ECU DIAGNOSIS INFORMATION >
[R9M]
C
D
E
F
G
H
I
J
K
L
M
A
EC9
N
P
O
66
(SB)
—
Sensor ground
(Fuel pressure sensor)
—
—
—
67
(W)
—
Glow plug control unit (diag-
nosis)
Input
[Engine is running]
• Idle speed
• No malfunction in glow control
system.
1.50 V
68
(G)
29
(B)
Engine communication line
Input/
Output
[Ignition switch: ON]
69
(L)
29
(B)
Low pressure EGR control
valve position sensor
Input
Ignition switch: ON
1.21 V
Output voltage varies with low
pressure EGR control valve po-
sition.
70
(Y)
—
Sensor ground
(Camshaft position sensor)
—
—
—
71
(L)
70
(Y)
Camshaft position sensor
Input
[Engine is running]
• Warm-up condition
• Idle speed
NOTE:
The pulse cycle changes de-
pending on rpm at idle
[Engine is running]
• Engine speed is 2,000 rpm
73
(GR)
—
Sensor ground
(Fuel rail pressure sensor)
—
—
—
74
(R)
82
(G)
Intake air temperature sen-
sor 1
Input
[Engine is running]
• Warm-up condition
2.38 V
Output voltage varies with intake
air temperature.
76
(Y)
29
(B)
Thermoplunger diagnosis 2
Input
[Engine is running]
• Idle speed
• No malfunction in ther-
moplunger system.
13.9 V
77
(BR)
66
(SB)
Fuel rail pressure sensor
Input
[Engine is running]
• Warm-up condition
• Idle speed
1.13 V
[Engine is running]
• Warm-up condition
• Revving engine from idle to
2,000 rpm quickly
1.77 V
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
−
Signal name
Input/
Output
JSBIA4817ZZ
JSBIA4818ZZ
JSBIA4819ZZ
EC9-94
< ECU DIAGNOSIS INFORMATION >
[R9M]
ECM
78
(P)
82
(G)
Mass air flow sensor
Input
[Engine is running]
• Warm-up condition
• Idle speed
4.49 V
[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm
4.58 V
80
(W)
29
(B)
Reverse/Neutral position
switch (M/T)
Transmission range switch
(CVT)
Input
[Ignition switch: ON]
• Selector lever: N or P (CVT)
• Shift lever: Neutral (M/T)
Battery voltage
[Ignition switch: ON]
• Selector lever or shift lever:
Except above
0 V
81
(L)
—
Sensor ground
(Turbocharger boost sensor,
Intake air temperature sen-
sor 2)
—
—
—
82
(G)
—
Sensor ground
(Mass air flow sensor)
—
—
—
85
(V)
81
(L)
Turbocharger boost sensor
Input
[Engine is running]
• Warm-up condition
• Idle speed
1.17 V
[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm
1.15 V
86
(R)
81
(L)
Intake air temperature sen-
sor 2
Input
[Engine is running]
• Warm-up condition
• Idle speed
2.33 V
Output voltage varies with intake
air temperature.
88
(W)
66
(SB)
Fuel pressure sensor
Input
[Engine is running]
• Warm-up condition
• Idle speed
1.13 V
[Engine is running]
• Warm-up condition
• Revving engine from idle to
2,000 rpm quickly
1.77 V
89
(BR)
29
(B)
A/F sensor heater
Input
[Engine is running]
After the vehicles is driven for 6
minutes under the following con-
ditions
• Warm-up condition
• Vehicle speed: 80 km/h (50
MPH) or more
• Shift lever: Suitable gear posi-
tion
91
(G)
73
(GR)
Sensor power supply
(Fuel rail pressure sensor)
—
[Ignition switch: ON]
5.0 V
93
(B)
29
(B)
Fuel heater relay control
Output
[Ignition switch: ON]
• Fuel temperature: less than
45
°
C (113
°
F)
0.05 V
[Engine is running]
• Warm-up condition
• Fuel temperature: 65
°
C
(149
°
F) or more
14.43 V
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
−
Signal name
Input/
Output
JSBIA4820ZZ
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