Nissan March K13. Instruction — part 152
ECM
EC-69
< ECU DIAGNOSIS INFORMATION >
[HR12DE (TYPE 1)]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
4
(P)
107
(B)
Throttle control motor
(Close)
Output
[Ignition switch: ON]
• Engine stopped
• Shift lever: 1st position
• Accelerator pedal: Fully released
2 V
5
(G)
107
(B)
Heated oxygen sensor 2
heater
Output
[Engine is running]
• Engine speed: Below 3,900 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
10 V
[Ignition switch: ON]
• Engine stopped
[Engine is running]
• Engine speed: Above 3,900 rpm
BATTERY VOLTAGE
(11 - 14 V)
9
(P)
107
(B)
EVAP canister purge volume
control solenoid valve
Output
[Engine is running]
• Idle speed
• Accelerator pedal is not depressed
even slightly, after engine starting
BATTERY VOLTAGE
(11 - 14 V)
[Engine is running]
• Engine speed: About 2,000 rpm
(More than 100 seconds after start-
ing engine.)
BATTERY VOLTAGE
(11 - 14 V)
10
(B)
—
ECM ground
—
—
—
11
(B)
—
ECM ground
—
—
—
12
(R)
107
(B)
EGR volume control valve
(step 1)
Output
[Engine is running]
• Idle speed
0.5 V or BATTERY VOLTAGE (11
- 14 V)
Output voltage varies with EGR
volume control valve opening an-
gle (step).
16
(LG)
EGR volume control valve
(step 3)
20
(G)
EGR volume control valve
(step 2)
24
(SB)
EGR volume control valve
(step 4)
Terminal No.
Description
Condition
Value
(Approx.)
+
–
Signal name
Input/
Output
JMBIA0215GB
JMBIA0214GB
JMBIA0039GB
JMBIA0216GB
EC-70
< ECU DIAGNOSIS INFORMATION >
[HR12DE (TYPE 1)]
ECM
15
(Y)
107
(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
17
(R)
107
(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 - 0.3 V
18
(LG)
Ignition signal No. 2
22
(SB)
Ignition signal No. 3
[Engine is running]
• Warm-up condition
• Engine speed: 2,500 rpm
0.2 - 0.5 V
23
(GR)
107
(B)
Fuel pump relay
Output
[Ignition switch: ON]
• For 1 second after turning ignition
switch ON
[Engine is running]
0 - 1.0 V
[Ignition switch: ON]
• More than 1 second after turning ig-
nition switch ON
BATTERY VOLTAGE
(11 - 14 V)
29
(Y)
107
(B)
Fuel injector No. 3
Output
[Engine is running]
• Warm-up condition
• Idle speed
NOTE:
The pulse cycle changes depending
on rpm at idle
BATTERY VOLTAGE
(11 - 14 V)
30
(O)
Fuel injector No. 2
31
(L)
Fuel injector No. 1
[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm
BATTERY VOLTAGE
(11 - 14 V)
27
(LG)
107
(B)
Fuel pump control module
(FPCM) check
Input
[Ignition switch: ON]
• For 1 second after turning ignition
switch ON
10 V
[When cranking engine]
8 V
[Engine is running]
• Warm-up condition
• Idle speed
10.5 - 11.5 V
Terminal No.
Description
Condition
Value
(Approx.)
+
–
Signal name
Input/
Output
JMBIA0219GB
JMBIA0220GB
JMBIA0221GB
JMBIA0222GB
ECM
EC-71
< ECU DIAGNOSIS INFORMATION >
[HR12DE (TYPE 1)]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
28
(R)
107
(B)
Fuel pump control module
(FPCM)
Output
[When cranking engine]
0 V
[Engine is running]
• Warm-up condition
• Idle speed
4 - 6 V
32
(P)
107
(B)
ECM relay
(Self shut-off)
Output
[Engine is running]
[Ignition switch: OFF]
• A few seconds after turning ignition
switch OFF
0 - 1.0 V
[Ignition switch: OFF]
• More than a few seconds after turn-
ing ignition switch OFF
BATTERY VOLTAGE
(11 - 14 V)
33
(LG)
36
(Y)
Throttle position sensor 1
Input
[Ignition switch: ON]
• Engine stopped
• Shift lever: 1st position
• Accelerator pedal: Fully released
More than 0.36 V
[Ignition switch: ON]
• Engine stopped
• Shift lever: 1st position
• Accelerator pedal: Fully depressed
Less than 4.75 V
34
(O)
36
(Y)
Throttle position sensor 2
Input
[Ignition switch: ON]
• Engine stopped
• Shift lever: 1st position
• Accelerator pedal: Fully released
Less than 4.75 V
[Ignition switch: ON]
• Engine stopped
• Shift lever: 1st position
• Accelerator pedal: Fully depressed
More than 0.36 V
36
(Y)
—
Sensor ground
(Throttle position sensor)
—
—
—
37
(W)
40
—
Knock sensor
Input
[Engine is running]
• Idle speed
2.5 V
38
(P)
44
(B)
Engine coolant temperature
sensor
Input
[Engine is running]
0 - 4.8 V
Output voltage varies with engine
coolant temperature.
39
*1
(P)
—
—
—
—
—
40
—
—
Sensor ground
(Knock sensor shield circuit)
—
—
—
42
(O)
51
(Y)
EGR temperature sensor
Input
[Engine is running]
• Warm-up condition
Less than 4.8 V
[Engine is running]
• Warm-up condition
• EGR system: Operating
0 - 1.5 V
44
(B)
—
Sensor ground
(Engine coolant temperature
sensor)
—
—
—
Terminal No.
Description
Condition
Value
(Approx.)
+
–
Signal name
Input/
Output
EC-72
< ECU DIAGNOSIS INFORMATION >
[HR12DE (TYPE 1)]
ECM
45
(G)
52
(LG)
Mass air flow sensor
Input
[Ignition switch ON]
• Engine stopped
0.4 V
[Engine is running]
• Warm-up condition
• Idle speed
0.9 - 1.3 V
[Engine is running]
• Warm-up condition
• Engine is revving from idle to about
4,000 rpm
0.9 - 1.3 to 2.4 V
(Check for linear voltage rise in
response to engine being in-
creased to about 4,000 rpm.)
46
(V)
55
(O)
Intake air temperature sen-
sor
Input
[Engine is running]
0 - 4.8 V
Output voltage varies with intake
air temperature.
49
(L)
107
(B)
A/F sensor 1
Input
[Ignition switch: ON]
2.2 V
50
(W)
59
(B)
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 - 1.0 V
51
(LG)
—
Sensor ground
(EGR temperature sensor)
—
—
—
52
(LG)
—
Sensor ground
(Mass air flow sensor)
—
—
—
53
(R)
107
(B)
A/F sensor 1
Input
[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm
1.8 V
Output voltage varies with air fuel
ratio.
54
*1
(V)
—
—
—
—
—
55
(O)
—
Sensor ground
(Intake air temperature sen-
sor)
—
—
—
56
(P)
—
Sensor ground
(Heated oxygen sensor 1)
—
—
—
57
*1
(R)
—
—
—
—
—
58
(R)
68
(V)
Battery current sensor
Input
[Engine is running]
• Battery: Fully charged
*2
• Idle speed
2.5 - 3.5 V
59
(B)
—
Sensor ground
(Heated oxygen sensor 2)
—
—
—
Terminal No.
Description
Condition
Value
(Approx.)
+
–
Signal name
Input/
Output
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