Nissan Qashqai J11. Manual — part 379
ECK-76
< ECU DIAGNOSIS INFORMATION >
[K9K]
ECM
ECU DIAGNOSIS INFORMATION
ECM
Reference Value
INFOID:0000000010289668
TERMINAL LAYOUT
PHYSICAL VALUES
NOTE:
• ECM is located in the engine room left side near battery.
• Pulse signal is measured by CONSULT.
JSBIA5035GB
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
−
Signal name
Input/
Output
1
(L)
—
CAN communication line
(CAN-H)
Input/
Output
—
—
2
(P)
—
CAN communication line
(CAN-L)
Input/
Output
—
—
3
(SB)
29
(B)
ASCD MAIN switch
Input
[Ignition switch: ON]
ASCD MAIN switch: OFF
0 V
[Ignition switch: ON]
ASCD MAIN switch: ON
Battery voltage
(11 - 14 V)
6
(V)
29
(B)
Clutch interlock switch
Input
[Ignition switch: ON]
• Engine stopped
• Clutch pedal: Fully released
0 V
[Ignition switch: ON]
• Engine stopped
• Clutch pedal: Fully depressed
BATTERY VOLTAGE
(11 - 14 V)
9
(R)
29
(B)
Clutch pedal position
switch
Input
[Ignition switch: ON]
• Clutch pedal: Fully released
0 V
[Ignition switch: ON]
• Clutch pedal: Fully depressed
11.25 V
10
(V)
29
(B)
Speed limiter MAIN
switch
Input
[Ignition switch: ON]
Speed limiter MAIN switch: OFF
0 V
[Ignition switch: ON]
Speed limiter MAIN switch: ON
Battery voltage
(11 - 14 V)
11
(G)
29
(B)
Fuel pump control module
(Diagnosis)
Input
[Ignition switch: ON]
11.0 V
ECM
ECK-77
< ECU DIAGNOSIS INFORMATION >
[K9K]
C
D
E
F
G
H
I
J
K
L
M
A
ECK
N
P
O
13
(BR)
29
(B)
Fuel pump control module
(Command)
Output
[Ignition switch: ON]
Fuel pump not activates
0.05 V
(PWM duty: less than 14%)
[Ignition switch: ON]
Fuel pump activated
0 – 6.74 V
(PWM duty: Approx. 40%)
Engine running at idle
PWM duty: 50 – 60%
14
(BR)
—
Sensor ground
(ASCD steering switch)
—
—
—
15
(G)
14
(BR)
ASCD steering switch
Input
[Ignition switch: ON]
• ASCD steering switch: OFF
4 V
[Ignition switch: ON]
• CANCEL switch: Pressed
1 V
[Ignition switch: ON]
• RES/+ switch: Pressed
3 V
[Ignition switch: ON]
• SET/
−
switch: Pressed
2 V
16
(LG)
29
(B)
Ignition switch
Input
[Ignition switch: ON]
12.20 V
17
(BG)
29
(B)
Stop lamp switch
Input
[Ignition switch: OFF]
• Brake pedal: Fully released
0 V
[Ignition switch: OFF]
• Brake pedal: Slightly depressed
12.18 V
21
(Y)
—
Sensor ground
(Accelerator pedal posi-
tion sensor 2)
—
—
—
22
(W)
21
(Y)
Accelerator pedal posi-
tion sensor 2
Input
[Ignition switch: ON]
• Engine stopped
• Accelerator pedal: Fully released
[Ignition switch: ON]
• Engine stopped
• Accelerator pedal: Fully depressed
23
(BG)
21
(Y)
Sensor power supply
(Accelerator pedal posi-
tion sensor 2)
—
[Ignition switch: ON]
5 V
24
(L)
29
(B)
Fuel heater and water in
fuel sensor
Input
[Engine is running]
• Warm-up condition
• Idle speed
14.0 V
25
(B)
—
ECM ground
—
—
—
26
(B)
—
ECM ground
—
—
—
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
−
Signal name
Input/
Output
JSBIA4811ZZ
JSBIA4812ZZ
ECK-78
< ECU DIAGNOSIS INFORMATION >
[K9K]
ECM
27
(V)
30
(GR)
Sensor power supply
(Accelerator pedal posi-
tion sensor 1)
—
[Ignition switch: ON]
5 V
29
(B)
—
ECM ground
—
—
—
30
(GR)
—
Sensor ground
(Accelerator pedal posi-
tion sensor 1)
—
—
—
31
(R)
30
(GR)
Accelerator pedal posi-
tion sensor 1
Input
[Ignition switch: ON]
• Engine stopped
• Accelerator pedal: Fully released
[Ignition switch: ON]
• Engine stopped
• Accelerator pedal: Fully depressed
32
(B)
—
ECM ground
—
—
—
36
(G)
29
(B)
ECM relay
(Self shut-off)
Output
[Engine is running]
[Ignition switch: OFF]
• A few seconds after turning ignition
switch OFF
0.78 V
[Ignition switch: OFF]
• More than a few seconds after turn-
ing ignition switch OFF
12.42 V
39
(BR)
29
(B)
Water heater 2
Output
Diesel particulate filter regeneration
mode
0 V
Diesel particulate filter No regenera-
tion mode
13.67 V
41
(P)
50
(V)
Sensor power supply
(Camshaft position sen-
sor)
—
[Ignition switch: ON]
5 V
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
−
Signal name
Input/
Output
JSBIA4784ZZ
JSBIA4785ZZ
ECM
ECK-79
< ECU DIAGNOSIS INFORMATION >
[K9K]
C
D
E
F
G
H
I
J
K
L
M
A
ECK
N
P
O
42
(Y)
50
(V)
Camshaft position sensor
Input
[Engine is running]
• Warm-up condition
• Idle speed
NOTE:
The pulse cycle changes depending
on rpm at idle
[Engine is running]
• Engine speed is 2,000 rpm
44
(BG)
29
(B)
Water heater 1
Output
Diesel particulate filter regeneration
mode
0 V
Diesel particulate filter No regenera-
tion mode
14.23 V
45
(L)
68
(B)
Sensor power supply
(Fuel rail pressure sen-
sor)
—
[Ignition switch: ON]
5.0 V
46
(GR)
86
(G)
Mass air flow sensor
Input
[Engine is running]
• Warm-up condition
• Idle speed
[Engine is running]
• Warm-up condition
• Engine speed: 2,500 rpm
48
(Y)
29
(B)
Engine restart relay con-
trol signal
Output
[Stop/start system operates]
• While cranking of restart
11.76 V
(While operating the starter mo-
tor)
[Engine is running]
• Warm-up condition
• Idle speed
14.46 V
49
(L)
54
(SB)
Sensor power supply
(Low fuel rail pressure
sensor)
—
[Ignition switch: ON]
5.0 V
50
(V)
—
Sensor ground
(Camshaft position sen-
sor)
—
—
—
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
−
Signal name
Input/
Output
JSBIA4786ZZ
JSBIA4787ZZ
JSBIA4788ZZ
JSBIA4789ZZ
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