Nissan Tiida C11. Instruction — part 586
EC-994
< ECU DIAGNOSIS >
[MR18DE]
ECM
5
(G)
59
(O)
Heated oxygen sensor 2
heater
Output
[Engine is running]
• Engine speed: Below 3,600 rpm af-
ter 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
10V
[Ignition switch: ON]
• Engine stopped
[Engine is running]
• Engine speed: Above 3,600 rpm
BATTERY VOLTAGE
(11 - 14V)
9
(P)
108
(B)
EVAP canister purge vol-
ume control solenoid
valve
Output
[Engine is running]
• Idle speed
• Accelerator pedal: Not depressed
even slightly, after engine starting
BATTERY VOLTAGE
(11 - 14V)
[Engine is running]
• Engine speed: About 2,000 rpm
(More than 100 seconds after start-
ing engine.)
10V
10
(B)
11
(B)
—
ECM ground
—
—
—
15
(Y)
108
(B)
Throttle control motor re-
lay
Output
[Ignition switch: OFF]
BATTERY VOLTAGE
(11 - 14V)
[Ignition switch: ON]
0 - 1.0V
17
(R)
108
(B)
Ignition signal No. 1
Output
[Engine is running]
• Warm-up condition
• Idle speed
NOTE:
The pulse cycle changes depending
on rpm at idle
0 - 0.3V
18
(LG)
Ignition signal No. 2
21
(G)
Ignition signal No. 4
[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm
0.2 - 0.5V
22
(SB)
Ignition signal No. 3
Terminal No.
Description
Condition
Value
(Approx.)
+
-–
Signal name
Input/
Output
JMBIA0325GB
JMBIA0327GB
JMBIA0328GB
JMBIA0329GB
JMBIA0330GB
ECM
EC-995
< ECU DIAGNOSIS >
[MR18DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
23
(GR)
108
(B)
Fuel pump relay
Output
[Ignition switch: ON]
• For 1 second after turning ignition
switch ON
[Engine is running]
0 - 1.0V
25
(V)
108
(B)
Fuel injector No. 4
Output
[Engine is running]
• Warm-up condition
• Idle speed
NOTE:
The pulse cycle changes depending
on rpm at idle
BATTERY VOLTAGE
(11 - 14V)
29
(Y)
Fuel injector No. 3
30
(O)
Fuel injector No. 2
[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm
BATTERY VOLTAGE
(11 - 14V)
31
(L)
Fuel injector No. 1
32
(P)
108
(B)
ECM relay
(Self shut-off)
Output
[Engine is running]
[Ignition switch: OFF]
• A few seconds after turning ignition
switch OFF
0 - 1.0V
[Ignition switch: OFF]
• More than a few seconds after turn-
ing ignition switch OFF
BATTERY VOLTAGE
(11 - 14V)
33
(LG)
36
(Y)
Throttle position sensor 1
Input
[Ignition switch: ON]
• Engine stopped
• Shift lever: 1st
• Accelerator pedal: Fully released
More than 0.36V
[Ignition switch: ON]
• Engine stopped
• Shift lever:1st
• Accelerator pedal: Fully depressed
Less than 4.75V
34
(O)
36
(Y)
Throttle position sensor 2
Input
[Ignition switch: ON]
• Engine stopped
• Shift lever:1st
• Accelerator pedal: Fully released
Less than 4.75V
[Ignition switch: ON]
• Engine stopped
• Shift lever:1st
• Accelerator pedal: Fully depressed
More than 0.36V
36
(Y)
—
Sensor ground
(Throttle position sensor)
—
—
—
37
(W)
40
—
Knock sensor
Input
[Engine is running]
• Idle speed
2.5V
38
(P)
44
(B)
Engine coolant tempera-
ture sensor
Input
[Engine is running]
0 - 4.8V
Output voltage varies with engine
coolant temperature.
40
(B)
—
Sensor ground
(Knock sensor)
—
—
—
Terminal No.
Description
Condition
Value
(Approx.)
+
-–
Signal name
Input/
Output
JMBIA0331GB
JMBIA0332GB
E
C
- 9
9
6
< ECU DIAGNOSIS >
[MR18DE]
ECM
41
(GR)
48
(BR)
Refrigerant pressure sen-
sor
Input
[Engine is running]
• Warm-up condition
• Both A/C switch and blower fan mo-
tor switch: ON (Compressor oper-
ates)
1.0 - 4.0V
44
(B)
—
Sensor ground
(Engine coolant tempera-
ture sensor)
—
—
—
45
(G)
52
(LG)
Mass air flow sensor
Input
[Ignition switch: ON]
• Engine stopped
0.4V
[Engine is running]
• Warm-up condition
• Idle speed
0.9 - 1.2V
[Engine is running]
• Warm-up condition
• Engine is revving from idle to about
4,000 rpm
0.9 - 1.2 to 2.4V (Check for linear
voltage rise in response to en-
gine being increased to about
4,000 rpm.)
46
(V)
55
(O)
Intake air temperature
sensor
Input
[Engine is running]
0 - 4.8V
Output voltage varies with intake
air temperature.
48
(BR)
—
Sensor ground
(Refrigerant pressure
sensor)
—
—
—
49
(W)
56
(B)
Heated oxygen sensor 1
Input
[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm
0 - 1.0V
50
(W)
59
(O)
Heated oxygen sensor 2
Input
[Engine is running]
• Revving engine from idle to 3,000
rpm quickly after the following condi-
tions 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
0 - 1.0V
52
(LG)
—
Sensor ground
(Mass air flow sensor)
—
—
—
55
(O)
—
Sensor ground
(Intake air temperature
sensor)
—
—
—
56
(B)
—
Sensor ground
(Heated oxygen sensor 1)
—
—
—
59
(O)
—
Sensor ground
(Heated oxygen sensor 2)
—
—
—
Terminal No.
Description
Condition
Value
(Approx.)
+
-–
Signal name
Input/
Output
ECM
EC-997
< ECU DIAGNOSIS >
[MR18DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
61
(W)
62
(R)
Crankshaft position sen-
sor (POS)
Input
[Engine is running]
• Warm-up condition
• Idle speed
NOTE:
The pulse cycle changes depending
on rpm at idle
4.0V
[Engine is running]
• Engine speed: 2,000 rpm
4.0V
62
(R)
—
Sensor ground
[Crankshaft position sen-
sor (POS)]
—
—
—
63
(L)
—
Sensor ground
[Camshaft position sen-
sor (PHASE)]
—
—
—
65
(G)
63
(BR)
Camshaft position sensor
(PHASE)
Input
[Engine is running]
• Warm-up condition
• Idle speed
NOTE:
The pulse cycle changes depending
on rpm at idle
1.0 - 2.0
[Engine is running]
• Engine speed is 2,000 rpm
1.0 - 2.0
69
(L)
108
(B)
PNP switch
Input
[Ignition switch: ON]
• Shift lever: Neutral
BATTERY VOLTAGE
(11 - 14V)
[Ignition switch: ON]
• Shift lever: Except above
0V
72
(V)
36
(Y)
Sensor power supply
(Throttle position sensor)
—
[Ignition switch: ON]
5V
Terminal No.
Description
Condition
Value
(Approx.)
+
-–
Signal name
Input/
Output
JMBIA0333GB
JMBIA0334GB
JMBIA0335GB
JMBIA0336GB
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