Nissan Note E12. Instruction — part 183
ECM
EC-71
< ECU DIAGNOSIS INFORMATION >
[HR16DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
69
(BR)
108
(B)
PNP signal
Input
[Ignition switch: ON]
• Shift lever: P or N (CVT), Neutral (M/
T)
BATTERY VOLTAGE
(11 - 14 V)
[Ignition switch: ON]
• Shift lever: Except above position
0 V
72
(G)
36
(R)
Sensor power supply
(Throttle position sensor)
—
[Ignition switch: ON]
5 V
73
(P)
108
(B)
Intake valve timing control
solenoid valve
Output
[Engine is running]
• Warm-up condition
• Idle speed
BATTERY VOLTAGE
(11 - 14 V)
[Engine is running]
• Warm-up condition
• When revving engine up to
2,000rpm quickly
7 - 10 V
74
(O)
60
(W)
Sensor power supply
(Engine oil pressure sensor)
—
[Ignition switch: ON]
5 V
75
(O)
62
(G)
Sensor power supply
[Crankshaft position sensor
(POS)]
—
[Ignition switch: ON]
5 V
77
(P/W)
108
(B)
Exhaust valve timing control
solenoid valve
Output
[Engine is running]
• Warm-up condition
• Idle speed
BATTERY VOLTAGE
(11 - 14 V)
[Engine is running]
• Warm-up condition
• When revving engine up to
2,000rpm quickly
7 - 10 V
78
(BR)
63
(W)
Sensor power supply
[Camshaft position sensor
(PHASE), exhaust valve tim-
ing control position sensor]
—
[Ignition switch: ON]
5 V
81
(V)
108
(B)
Power supply for ECM
(Back-up)
Input
[Ignition switch: OFF]
BATTERY VOLTAGE
(11 - 14 V)
83
(P)
—
CAN-L
Input/
Output
—
—
84
(L)
—
CAN-H
Input/
Output
—
—
85
(V)
98
(LG)
Refrigerant pressure sensor
Input
[Engine is running]
• Warm-up condition
• Both A/C switch and blower fan
switch: ON (Compressor operates)
1.0 - 4.0 V
88
(GR)
—
Data link connector
Input/
Output
—
—
Terminal No.
Description
Condition
Value
(Approx.)
+
–
Signal name
Input/
Output
JSBIA0720GB
JSBIA0720GB
EC-72
< ECU DIAGNOSIS INFORMATION >
[HR16DE]
ECM
92
(R)
108
(B)
Clutch pedal position switch
Input
[Ignition switch: ON]
• Clutch pedal: Slightly depressed
BATTERY VOLTAGE
(11 - 14 V)
[Ignition switch: ON]
• Clutch pedal: Fully released
0 V
93
(L)
108
(B)
Ignition switch
Input
[Ignition switch: OFF]
0 V
[Ignition switch: ON]
BATTERY VOLTAGE
(11 - 14 V)
94
(Y)
95
(B)
ASCD steering switch
Input
[Ignition switch: ON]
• ASCD steering switch: OFF
4 V
[Ignition switch: ON]
• MAIN switch: Pressed
0 V
[Ignition switch: ON]
• CANCEL switch: Pressed
1V
[Ignition switch: ON]
• COAST/SET switch: Pressed
2V
[Ignition switch: ON]
• ACCEL/RES switch: Pressed
3V
95
(B)
—
Sensor ground
(ASCD steering switch)
—
—
—
98
(LG)
—
Sensor ground
(Refrigerant pressure sen-
sor)
—
—
—
99
(LG)
108
(B)
Stop lamp switch
Input
[Ignition switch: OFF]
• Brake pedal: Fully released
0 V
[Ignition switch: OFF]
• Brake pedal: Slightly depressed
BATTERY VOLTAGE
(11 - 14 V)
100
(G)
108
(B)
Brake pedal position switch
Input
[Ignition switch: ON]
• Brake pedal: Slightly depressed
0 V
[Ignition switch: ON]
• Brake pedal: Fully released
BATTERY VOLTAGE
(11 - 14 V)
101
(W)
98
(LG)
Sensor power supply
(Refrigerant pressure sen-
sor)
—
[Ignition switch: ON]
5 V
102
(BR)
104
(Y)
Sensor power supply
(Accelerator pedal position
sensor 2)
—
[Ignition switch: ON]
5 V
103
(GR)
104
(Y)
Accelerator pedal position
sensor 2
Input
[Ignition switch: ON]
• Engine stopped
• Accelerator pedal: Fully released
0.3 - 0.6 V
[Ignition switch: ON]
• Engine stopped
• Accelerator pedal: Fully depressed
1.95 - 2.4 V
104
(Y)
—
Sensor ground
(Accelerator pedal position
sensor 2)
—
—
—
105
(G)
108
(B)
Power supply for ECM
Input
[Ignition switch: ON]
BATTERY VOLTAGE
(11 - 14 V)
106
(V)
111
(GR)
Sensor power supply
(Accelerator pedal position
sensor 1)
—
[Ignition switch: ON]
5 V
108
(B)
—
ECM ground
—
—
—
Terminal No.
Description
Condition
Value
(Approx.)
+
–
Signal name
Input/
Output
ECM
EC-73
< ECU DIAGNOSIS INFORMATION >
[HR16DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)
Fail Safe
INFOID:0000000009022473
NON DTC RELATED ITEM
DTC RELATED ITEM
110
(SB)
111
(P)
Accelerator pedal position
sensor 1
Input
[Ignition switch: ON]
• Engine stopped
• Accelerator pedal: Fully released
0.6 - 0.9 V
[Ignition switch: ON]
• Engine stopped
• Accelerator pedal: Fully depressed
3.9 - 4.7 V
111
(P)
—
Sensor ground
(Accelerator pedal position
sensor 1)
—
—
—
Terminal No.
Description
Condition
Value
(Approx.)
+
–
Signal name
Input/
Output
Detected
items
Engine operating condition
in fail-safe mode
Remarks
Reference page
Malfunction
indicator
lamp circuit
Engine speed will not rise
more than 2,500 rpm due
to the fuel cut
When there is an open circuit on MIL circuit, the ECM cannot warn the
driver by lighting up MIL when there is malfunction on engine control
system.
Therefore, when electrical controlled throttle and part of ECM related
diagnoses are continuously detected as NG for 5 trips, ECM warns the
driver that engine control system malfunctions and MIL circuit is open
by means of operating fail safe function.
The fail safe function also operates when above diagnoses except MIL
circuit are detected and demands the driver to repair the malfunction.
DTC No.
Detected items
Engine operating condition in fail safe mode
P0011
Intake valve timing control
The signal is not energized to the intake valve timing control solenoid valve and the valve
control does not function.
P0014
Exhaust valve timing control
The signal is not energized to the exhaust valve timing control solenoid valve and the valve
control does not function.
P0102
P0103
Mass air flow sensor circuit
Engine speed will not rise more than 2,400 rpm due to the fuel cut.
P0117
P0118
Engine coolant temperature
sensor circuit
Engine coolant temperature will be determined by ECM based on the following conditions.
CONSULT displays the engine coolant temperature decided by ECM.
Condition
Engine coolant temperature decided
(CONSULT display)
Just as ignition switch is turned ON or START
40
°C (104°F)
Approx. 4 minutes or more after engine starting
80
°C (176°F)
Except as shown above
40 - 80
°C (104 - 176°F)
(Depends on the time)
When the fail safe system for engine coolant temperature sensor is activated, the cooling
fan operates while engine is running.
P0122
P0123
P0222
P0223
P2135
Throttle position sensor
The ECM controls the electric throttle control actuator in regulating the throttle opening in
order for the idle position to be within +10 degrees.
The ECM regulates the opening speed of the throttle valve to be slower than the normal
condition.
So, the acceleration will be poor.
P0197
P0198
Engine oil temperature sensor
Exhaust valve timing control does not function.
P0500
Vehicle speed sensor
The cooling fan operates (Highest) while engine is running.
EC-74
< ECU DIAGNOSIS INFORMATION >
[HR16DE]
ECM
DTC Inspection Priority Chart
INFOID:0000000009022474
If some DTCs are displayed at the same time, perform inspections one by one based on the following priority
chart.
P0605
ECM
(When ECM calculation function is malfunctioning:)
ECM stops the electric throttle control actuator control, throttle valve is maintained at a
fixed opening (approx. 5 degrees) by the return spring.
P0643
Sensor power supply
ECM stops the electric throttle control actuator control, throttle valve is maintained at a
fixed opening (approx. 5 degrees) by the return spring.
P1805
Brake switch
ECM controls the electric throttle control actuator by regulating the throttle opening to a
small range.
Therefore, acceleration will be poor.
Vehicle condition
Driving condition
When engine is idling
Normal
When accelerating
Poor acceleration
P2100
P2103
Throttle control motor relay
ECM stops the electric throttle control actuator control, throttle valve is maintained at a
fixed opening (approx. 5 degrees) by the return spring.
P2101
Electric throttle control function
ECM stops the electric throttle control actuator control, throttle valve is maintained at a
fixed opening (approx. 5 degrees) by the return spring.
P2118
Throttle control motor
ECM stops the electric throttle control actuator control, throttle valve is maintained at a
fixed opening (approx. 5 degrees) by the return spring.
P2119
Electric throttle control actuator
(When electric throttle control actuator does not function properly due to the return spring
malfunction:)
ECM controls the electric throttle actuator by regulating the throttle opening around the
idle position. The engine speed will not rise more than 2,000 rpm.
(When throttle valve opening angle in fail safe mode is not in specified range:)
ECM controls the electric throttle control actuator by regulating the throttle opening to 20
degrees or less.
(When ECM detects the throttle valve is stuck open:)
While the vehicle is driving, it slows down gradually by fuel cut. After the vehicle stops, the
engine stalls.
The engine can restart in the Neutral position, and engine speed will not exceed 1,000 rpm
or more.
P2122
P2123
P2127
P2128
P2138
Accelerator pedal position sen-
sor
The ECM controls the electric throttle control actuator in regulating the throttle opening in
order for the idle position to be within +10 degrees.
The ECM regulates the opening speed of the throttle valve to be slower than the normal
condition.
So, the acceleration will be poor.
DTC No.
Detected items
Engine operating condition in fail safe mode
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