Nissan Versa Note. Instruction — part 275
EC-82
< ECU DIAGNOSIS INFORMATION >
[HR16DE]
ECM
: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)
*: Before measuring the terminal voltage, confirm that the battery is fully charged. Refer to
Fail Safe
INFOID:0000000009020643
NON DTC RELATED ITEM
100
(G)
108
(B)
Brake pedal position switch
Input
[Ignition switch: OFF]
• Brake pedal: Fully released
BATTERY VOLTAGE
(11 - 14 V)
[Ignition switch: OFF]
• Brake pedal: Slightly depressed
0 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 de-
pressed
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
(P)
Sensor power supply
(Accelerator pedal position
sensor 1)
—
[Ignition switch: ON]
5 V
108
(B)
—
ECM ground
—
—
—
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 de-
pressed
3.9 - 4.7 V
111
(P)
—
Sensor ground
(Accelerator pedal position
sensor 1)
—
—
—
Terminal No.
Description
Condition
Value
(Approx.)
+
–
Signal name
Input/
Output
ECM
EC-83
< ECU DIAGNOSIS INFORMATION >
[HR16DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
DTC RELATED ITEM
Detected
items
Engine operating condition
in fail-safe mode
Remarks
Reference page
Malfunction
indicator
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
U0101
CAN communication line
ECM operates active grille shutter to fully-open position.
U0284
Active grille shutter
ECM operates active grille shutter to fully-open position.
U1040
Engine communication line
ECM operates active grille shutter to fully-open position.
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.
P0101
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 cool-
ing fan operates while engine is running.
• ECM operates active grille shutter to fully-open position.
P0116
P0125
Engine coolant temperature
sensor
ECM operates active grille shutter to fully-open position.
P0122
P0123
P0222
P0223
P2135
Throttle position sensor
ECM controls the electric throttle control actuator in regulating the throttle opening in order
for the idle position to be within +10 degrees.
ECM regulates the opening speed of the throttle valve to be slower than the normal con-
dition.
So, the acceleration will be poor.
P0196
P0197
P0198
Engine oil temperature sensor
• Exhaust valve timing control does not function.
• ECM operates active grille shutter to fully-open position.
P0500
Vehicle speed sensor
• The cooling fan operates (Highest) while engine is running.
• ECM operates active grille shutter to fully-open position.
P0524
Engine oil pressure
• ECM illuminates oil pressure warning lamp on the combination meter.
• Engine speed will not rise more than 4,000 rpm due to the fuel cut.
• Fail-safe is canceled when ignition switch OFF
→ ON.
P059F
Active grille shutter
• When a voltage and temperature related malfunction is detected, the active grille shutter
stops at the position of detection.
• Except for the above case, operates the active grille shutter to fully closed position.
EC-84
< ECU DIAGNOSIS INFORMATION >
[HR16DE]
ECM
DTC Inspection Priority Chart
INFOID:0000000009020644
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.
P0607
ECM
ECM operates active grille shutter to fully-open position.
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.
P1720
Vehicle speed sensor
ECM operates active grille shutter to fully-open position.
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
ECM
EC-85
< ECU DIAGNOSIS INFORMATION >
[HR16DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
Priority
Detected items (DTC)
1
• U0101 U1001 CAN communication line
• U0284 Active grille shutter
• U1040 Engine communication line
• P0101 P0102 P0103 Mass air flow sensor
• P0111 P0112 P0113 P0127 Intake air temperature sensor
• P0116 P0117 P0118 P0125 Engine coolant temperature sensor
• P0122 P0123 P0222 P0223 P1225 P1226 P2135 Throttle position sensor
• P0128 Thermostat function
• P0181, P0182, P0183 Fuel tank temperature sensor
• P0196 P0197 P0198 Engine oil temperature sensor
• P0327 P0328 Knock sensor
• P0335 Crankshaft position sensor (POS)
• P0340 Camshaft position sensor (PHASE)
• P0500 Vehicle speed sensor
• P0520 Engine oil pressure sensor
• P0605 P0607 ECM
• P0643 Sensor power supply
• P0850 Park/neutral position (PNP) switch
• P1550 P1551 P1552 P1553 P1554 Battery current sensor
• P1610 - P1615 NATS
• P2122 P2123 P2127 P2128 P2138 Accelerator pedal position sensor
2
• P0031 P0032 Air fuel ratio (A/F) sensor 1 heater
• P0037 P0038 Heated oxygen sensor 2 heater
• P0075 Intake valve timing control solenoid valve
• P0078 Exhaust valve timing control solenoid valve
• P0130 P0131 P0132 P0133 P014C P014D P015A P015B P2096 P2097 Air fuel ratio (A/F) sensor 1
• P0137 P0138 P0139 Heated oxygen sensor 2
• P0441 EVAP control system purge flow monitoring
• P0443, P0444, P0445 EVAP canister purge volume control solenoid valve
• P0447, P0448 EVAP canister vent control valve
• P0451, P0452, P0453 EVAP control system pressure sensor
• P0460, P0461, P0462, P0463 Fuel level sensor
• P059F Active grille shutter
• P0603 ECM
• P1078 Exhaust valve timing control position sensor
• P1217 Engine over temperature (OVERHEAT)
• P1805 Brake switch
• P2100 P2103 Throttle control motor relay
• P2101 Electric throttle control function
• P2118 Throttle control motor
3
• P0011 Intake valve timing control
• P0014 Exhaust valve timing control
• P0171 P0172 Fuel injection system function
• P0300 - P0304 Misfire
• P0420 Three way catalyst function
• P0456 EVAP control system (VERY SMALL LEAK)
• P0506, P0507 Idle speed control system
• P050A P050B P050E Cold start control
• P0524 Engine oil pressure
• P1148 Closed loop control
• P117A Air fuel ratio
• P1212 TCS communication line
• P1564 ASCD steering switch
• P1572 ASCD brake switch
• P1574 ASCD vehicle speed sensor
• P1715 Input speed sensor
• P1720 Vehicle speed sensor
• P2119 Electric throttle control actuator
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