Nissan Tiida C11. Instruction — part 642
EC-1218
< ECU DIAGNOSIS >
[K9K]
ECM
Terminal No.
Description
Condition
Value
(Approx.)
+
-–
Signal name
Input/
Output
1
(SB)
128
(B)
Fuel injector No. 4
Input
[Engine is running]
• Warm-up condition
• Idle speed
NOTE:
The pulse cycle changes de-
pending on rpm at idle.
0- 9V
2
(SB)
Fuel injector No. 3
3
(SB)
Fuel injector No. 2
[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm
0- 9V
4
(SB)
Fuel injector No. 1
5
(V)
128
(B)
Fuel injector power supply
No. 4
Output
[Engine is running]
• Warm-up condition
• Idle speed
NOTE:
The pulse cycle changes de-
pending on rpm at idle.
5 - 10V
6
(Y)
Fuel injector power supply
No. 3
7
(O)
Fuel injector power supply
No. 2
[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm
5 - 10V
8
(L)
Fuel injector power supply
No. 1
15
(R)
—
Sensor ground
(Fuel rail pressure sensor)
—
—
—
19
(W)
15
(R)
Fuel rail pressure sensor
Input
[Engine is running]
• Warm-up condition
• Idle speed
Approximately 1.0V
[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm
Approximately 1.5V
20
(G)
15
(R)
Sensor power supply
(Fuel rail pressure sensor)
—
[Ignition switch: ON]
Approximately 5.0V
28
(G)
30
(O)
Sensor power supply
(Mass air flow sensor)
—
[Ignition switch: ON]
Approximately 5.0V
29
(O)
—
Sensor ground
(Fuel pump temperature
sensor)
—
—
—
30
(O)
—
Sensor ground
(Mass air flow sensor/ Intake
air temperature sensor)
—
—
—
JMBIA0635GB
JMBIA0636GB
JMBIA0637GB
JMBIA0638GB
ECM
EC-1219
< ECU DIAGNOSIS >
[K9K]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
33
(B)
—
Sensor ground
(Engine coolant temperature
sensor)
—
—
—
35
(LG)
30
(O)
Mass air flow sensor
Input
[Ignition switch: ON]
Approximately 0.36V
[Engine is running]
• Warm-up condition
• Idle speed
Approximately 1.7V
[Engine is running]
• Warm-up condition
• Engine speed: 2,500 rpm
Approximately 2.6V
36
(O)
43
(BR)
Sensor power supply
(Turbocharger boost sensor)
—
[Ignition switch: ON]
Approximately 5.0V
37
(LG)
29
(O)
Fuel pump temperature sen-
sor
Input
[Engine is running]
• Warm-up condition
Approximately 2.8V
Output voltage varies with fuel
pump temperature.
38
(P)
33
(B)
Engine coolant temperature
sensor
Input
[Engine is running]
• Warm-up condition
Approximately 1.8V
Output voltage varies with engine
coolant temperature.
39
(V)
30
(O)
Intake air temperature sen-
sor
Input
[Engine is running]
• Warm-up condition
Approximately 2.0V
Output voltage varies with intake
air temperature.
43
(BR)
—
Sensor ground
(Turbocharger boost sensor)
—
—
—
44
(G)
43
(BR)
Turbocharger boost sensor
Input
[Engine is running]
• Warm-up condition
• Idle speed
Approximately 1.6V
[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm
Approximately 1.6V
49
(P)
128
(B)
High pressure supply pump
(Pressure control valve)
Output
[Ignition switch: OFF]
• Engine: Stopped
Duty signal
[Ignition switch: ON]
• Engine: Stopped
[Engine is running]
• Idle speed
[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm
50
(P)
128
(B)
High pressure supply pump
(Volumetric control valve)
Output
[Ignition switch: OFF]
• Engine: Stopped
Duty signal
[Ignition switch: ON]
• Engine: Stopped
[Engine is running]
• Idle speed
[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm
Terminal No.
Description
Condition
Value
(Approx.)
+
-–
Signal name
Input/
Output
EC-1220
< ECU DIAGNOSIS >
[K9K]
ECM
52
(G)
128
(B)
Turbocharger boost control
solenoid valve
Output
[Ignition switch: ON]
• Warm-up condition
• Idle speed
0 - 12.5V
[Ignition switch: ON]
• Warm-up condition
• Engine speed: 2,000 rpm
0 - 12.5V
53
(G)
54
(V)
128
(B)
Power supply for ECM
Input
[Ignition switch: ON]
BATTERY VOLTAGE
(11 - 14V)
60
(P)
128
(B)
ECM relay (self-shutoff)
Output
[Ignition switch: ON]
[Ignition switch: OFF]
• For a few seconds after turn-
ing ignition switch OFF
Approximately 0.7V
[Ignition switch: OFF]
• More than a few seconds af-
ter turning ignition switch
OFF
BATTERY VOLTAGE
(11-14V)
65
(W)
—
Sensor ground
(Camshaft position sensor)
—
—
—
69
(W)
128
(B)
Power supply for ECM
(Back-up)
Input
[Ignition switch: OFF]
BATTERY VOLTAGE.
(11 - 14V)
72
(P)
128
(B)
Electric throttle control actu-
ator
Output
[Engine is running]
• Idle speed
0.7V
[Ignition switch: OFF]
• For a few seconds after turn-
ing ignition switch OFF
0V
[Ignition switch: OFF]
• More than a few seconds af-
ter turning ignition switch
OFF
0V
74
(BR)
—
Sensor ground
(Refrigerant pressure sen-
sor)
—
—
—
Terminal No.
Description
Condition
Value
(Approx.)
+
-–
Signal name
Input/
Output
JMBIA0639GB
JMBIA0697GB
ECM
EC-1221
< ECU DIAGNOSIS >
[K9K]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
75
(G)
128
(B)
Camshaft position sensor
Input
[Engine is running]
• Warm-up condition
• Idle speed
NOTE:
The pulse cycle changes de-
pending on rpm at idle.
0 - 1V
[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm
0 - 1V
78
(GR)
74
(BR)
Refrigerant pressure sensor
Input
[Engine is running]
• Warm-up condition
• Both A/C switch and blower
fan switch: ON (Compressor
operates)
Approximately2.3V
82
(GR)
—
Sensor ground
(EGR volume control valve)
—
—
—
84
(W)
128
(B)
Crankshaft position sensor
Input
[Engine is running]
• Warm-up condition
• Idle speed
NOTE:
The pulse cycle changes de-
pending on rpm at idle.
0 - 12.5V
[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm
0 - 12.5V
85
(L)
82
(GR)
Sensor power supply
(EGR volume control valve)
—
[Ignition switch: ON]
Approximately 5V
86
(LG)
82
(GR)
EGR volume control valve
(EGR volume control valve
control position sensor)
Input
[Engine is running]
• Warm-up condition
• Idle speed
3.4V
88
(G)
—
Sensor ground
(Crankshaft position sensor)
—
—
—
89
(W)
74
(BR)
Sensor power supply
(Refrigerant pressure sen-
sor)
—
[Ignition switch: ON]
Approximately 5.0V
Terminal No.
Description
Condition
Value
(Approx.)
+
-–
Signal name
Input/
Output
JMBIA0698GB
JMBIA0699GB
MBIB1508E
MBIB1509E
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