engine control system NISSAN TIIDA 2011 Service Repair Manual

EC-592
< SERVICE INFORMATION >[MR18DE]
TROUBLE DIAGNOSIS
Symptom Matrix Chart
INFOID:0000000006341733
SYSTEM — BASIC ENGINE CONTROL SYSTEM
SYMPTOM
Reference
HARD/NO START/RESTART (EXCP. HA)
ENGINE STALL
HESITATION/SURGING/FLAT SPOT
SPARK KNOCK/DETONATION
LACK OF POWER/POOR ACCELERATION
HIGH IDLE/LOW IDLE
ROUGH IDLE/HUNTING
IDLING VIBRATION
SLOW/NO RETURN TO IDLE
OVERHEATS/WATER TEMPERATURE HIGH
EXCESSIVE FUEL CONSUMPTION
EXCESSIVE OIL CONSUMPTION
BATTERY DEAD (UNDER CHARGE)
Warranty symptom code AA AB AC AD AE AF AG AH AJ AK AL AM HA
Fuel Fuel pump circuit 11232 22 3 2EC-1014
Fuel pressure regulator system 334444444 4 EC-582
Fuel injector circuit11232 22 2EC-1009
Evaporative emission system 334444444 4 EC-526
Air Positive crankcase ventilation sys-
tem 334444444 41
EC-538
Incorrect idle speed adjustment 1 1 1 1 1EC-574
Electric throttle control actuator 112332222 2 2 EC-952,
EC-963
IgnitionIncorrect ignition timing adjustment33111 11 1EC-574
Ignition circuit 11222 22 2EC-1019
Main power supply and ground circuit 22333 33 23 EC-633
Mass air flow sensor circuit
1
12 2
222 2 EC-664,
EC-672
Engine coolant temperature sensor circuit
333
EC-683
,
EC-686
,
EC-696
Air fuel ratio (A/F) sensor 1 circuit EC-704
,
EC-710
,
EC-716
,
EC-750
,
EC-989
Throttle position sensor circuit
22EC-691
,
EC-778
,
EC-921
,
EC-923
,
EC-977
Accelerator pedal position sensor circuit 3 2 1 EC-898
,
EC-965
,
EC-970
,
EC-982
Knock sensor circuit 23EC-789
Crankshaft position sensor (POS) circuit 2 2 EC-793
Revision: May 20102011 Versa

TROUBLE DIAGNOSISEC-593
< SERVICE INFORMATION > [MR18DE]
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1 - 6: The numbers refer to the order of inspection.
(continued on next table)
SYSTEM — ENGINE MECHANICAL & OTHER
Camshaft position sensor (PHASE) circuit 3 2
EC-799
Vehicle speed signal circuit2 3 33EC-887
ECM 22333333333 EC-895
Intake valve timing control solenoid valve cir-
cuit32 13223 3
EC-659
Park/neutral position (PNP) signal circuit3 3 3 33EC-903
Refrigerant pressure sensor circuit 233 4 EC-1028
Electrical load signal circuit 3EC-1007
Air conditioner circuit 223333333 3 2 MTC-23
ABS actuator and electric unit (control unit)4 BRC-46
SYMPTOM
Reference
HARD/NO START/RESTART (EXCP. HA)
ENGINE STALL
HESITATION/SURGING/FLAT SPOT
SPARK KNOCK/DETONATION
LACK OF POWER/POOR ACCELERATION
HIGH IDLE/LOW IDLE
ROUGH IDLE/HUNTING
IDLING VIBRATION
SLOW/NO RETURN TO IDLE
OVERHEATS/WATER TEMPERATURE HIGH
EXCESSIVE FUEL CONSUMPTION
EXCESSIVE OIL CONSUMPTION
BATTERY DEAD (UNDER CHARGE)
Warranty symptom code AA AB AC AD AE AF AG AH AJ AK AL AM HA
Revision: May 2010 2011 Versa

TROUBLE DIAGNOSISEC-595
< SERVICE INFORMATION > [MR18DE]
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1 - 6: The numbers refer to the order of inspection. Va l v e
mecha-
nism
Timing chain
55555 55 5EM-160
Camshaft
EM-170
Intake valve timing controlEM-170
Intake valve
3EM-190
Exhaust valve
Exhaust Exhaust manifold/Tube/Muffler/ Gasket 55555 55 5EM-141
,
EX-10
Three way catalyst
Lubrica-
tion Oil pan/Oil strainer/Oil pump/Oil
filter/Oil gallery
55555 55 5EM-144
,
LU-21
Oil level (Low)/Filthy oil LU-17
Cooling Radiator/Hose/Radiator filler cap
55555 55 45 CO-40
Thermostat
5CO-47
Water control valve CO-51
Water pumpCO-45
Water galleryCO-34
Cooling fan
5CO-44
Coolant level (Low)/Contaminat-
ed coolant
CO-36
NVIS (NISSAN Vehicle
Immobilizer System-
NATS) 11
BL-257
SYMPTOM
Reference
HARD/NO START/RESTART (EXCP. HA)
ENGINE STALL
HESITATION/SURGING/FLAT SPOT
SPARK KNOCK/DETONATION
LACK OF POWER/POOR ACCELERATION
HIGH IDLE/LOW IDLE
ROUGH IDLE/HUNTING
IDLING VIBRATION
SLOW/NO RETURN TO IDLE
OVERHEATS/WATER TEMPERATURE HIGH
EXCESSIVE FUEL CONSUMPTION
EXCESSIVE OIL CONSUMPTION
BATTERY DEAD (UNDER CHARGE)
Warranty symptom code AA AB AC AD AE AF AG AH AJ AK AL AM HA
Revision: May 2010 2011 Versa

EC-608
< SERVICE INFORMATION >[MR18DE]
TROUBLE DIAGNOSIS
33 LG Throttle position sensor 1[Ignition switch: ON]
• Engine stopped
• Shift lever: D (A/T, CVT), 1st (M/T)
• Accelerator pedal: Fully released
More than 0.36 V
[Ignition switch: ON]
• Engine stopped
• Shift lever: D (A/T, CVT), 1st (M/T)
• Accelerator pedal: Fully depressed Less than 4.75 V
34 O Throttle position sensor 2 [Ignition switch: ON]
• Engine stopped
• Shift lever: D (A/T, CVT), 1st (M/T)
• Accelerator pedal: Fully released
Less than 4.75 V
[Ignition switch: ON]
• Engine stopped
• Shift lever: D (A/T, CVT), 1st (M/T)
• Accelerator pedal: Fully depressed More than 0.36 V
36 Y Sensor ground
(Throttle position sensor) [Engine is running]
•
Warm-up condition
• Idle speed Approximately 0 V
37 W Knock sensor [Engine is running]
• Idle speed Approximately 2.5 V
38 P Engine coolant temperature
sensor [Engine is running] Approximately 0 - 4.8 V
Output voltage varies with en- gine coolant temperature.
40 — Sensor ground
(Knock sensor) [Engine is running]
•
Warm-up condition
• Idle speed Approximately 0 V
41 GR Refrigerant pressure sensor [Engine is running]
•
Warm-up condition
• Both A/C switch and blower fan switch: ON
(Compressor operates.) 1.0 - 4.0 V
42 V EVAP control system pres-
sure sensor [Ignition switch: ON]
Approximately 1.8 - 4.8 V
43 P Fuel tank temperature sen-
sor [Engine is running] Approximately 0 - 4.8 V
Output voltage varies with fuel
tank temperature
44 B Sensor ground
(Engine coolant temperature
sensor) [Engine is running]
•
Warm-up condition
• Idle speed Approximately 0 V
45 G Mass air flow sensor [Engine is running]
•
Warm-up condition
• Idle speed 0.9 - 1.2 V
[Engine is running]
• Warm-up condition
• Engine speed: 2,500 rpm 1.5 - 1.8 V
46 V Intake air temperature
sensor [Engine is running] Approximately 0 - 4.8 V
Output voltage varies with intake air temperature.
48 BR Sensor ground
(Refrigerant pressure sen-
sor) [Engine is running]
•
Warm-up condition
• Idle speed Approximately 0 V
49 W A/F sensor 1 [Engine is running]
• Warm-up condition
• E

ngine speed: 2,000 rpm Approximately 1.8 V
Output voltage varies with air fuel ratio.
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color Item
Condition Data (DC Voltage)
Revision: May 2010 2011 Versa

TROUBLE DIAGNOSISEC-609
< SERVICE INFORMATION > [MR18DE]
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50 W Heated oxygen sensor 2 [Engine is running]
• Revving engine from idle to 3,000 rpm
quickly after 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. 0 - Approximately 1.0 V
51 O Sensor ground
(EVAP control system pres-
sure sensor) [Engine is running]
•
Warm-up condition
• Idle speed Approximately 0 V
52 LG Sensor ground
(Mass air flow sensor) [Engine is running]
•
Warm-up condition
• Idle speed Approximately 0 V
53 B A/F sensor 1 [Ignition switch: ON] Approximately 2.2 V
55 O Sensor ground
(Intake air temperature sen-
sor) [Engine is running]
•
Warm-up condition
• Idle speed Approximately 0 V
59 O Sensor ground
(Heated oxygen sensor 2) [Engine is running]
•
Warm-up condition
• Idle speed Approximately 0 V
61 W Crankshaft position sensor
(POS) [Engine is running]
•
Warm-up condition
• Idle speed NOTE:
The pulse cycle changes depending on rpm
at idle. Approximately 4.0 V
[Engine is running]
• Engine speed: 2,000 rpm Approximately 4.0 V
62 R Sensor ground
[Crankshaft position sensor
(POS)] [Engine is running]
•
Warm-up condition
• Idle speed Approximately 0 V
63 BR Sensor ground
[Camshaft position sensor
(PHASE)] [Engine is running]
•
Warm-up condition
• Idle speed Approximately 0 V
Te r m i -
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color Item
Condition Data (DC Voltage)
PBIB2998E
PBIB2999E
Revision: May 2010 2011 Versa

EC-610
< SERVICE INFORMATION >[MR18DE]
TROUBLE DIAGNOSIS
65 GCamshaft position sensor
(PHASE) [Engine is running]
•
Warm-up condition
• Idle speed NOTE:
The pulse cycle changes depending on rpm
at idle. 1.0 - 2.0 V
[Engine is running]
• Engine speed: 2,000 rpm. 1.0 - 2.0 V
69 L PNP signal [Ignition switch: ON]
• Shift lever: P or N (A/T, CVT), Neutral (M/T)
BATTERY VOLTAGE
(11 - 14 V)
[Ignition switch: ON]
• Except above Approximately 0 V
72 V Sensor power supply
(Throttle position sensor)
[Ignition switch: ON]
Approximately 5 V
73 P Intake valve timing control
solenoid valve [Engine is running]
•
Warm-up condition
• Idle speed BATTERY VOLTAGE
(11 - 14 V)
[Engine is running]
• Warm-up condition
• When revving engine up to 2,000 rpm quick- ly 7 - 10 V
74 W Sensor power supply
(Refrigerant pressure
sensor)
[Ignition switch: ON]
Approximately 5 V
75 BR Sensor power supply
[Crankshaft position sensor
(POS)] [Ignition switch: ON]
Approximately 5 V
76 W EVAP control system pres-
sure sensor power supply [Ignition switch: ON]
Approximately 5 V
78 O Sensor power supply
[Camshaft position sensor
(PHASE)] [Ignition switch: ON]
Approximately 5 V
83 P CAN communication line ——
84 L CAN communication line ——
88 LG DATA link connector ——
93 O Ignition switch [Ignition switch: OFF]
0 V
[Ignition switch: ON] BATTERY VOLTAGE
(11 - 14 V)
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color Item
Condition Data (DC Voltage)PBIB2986E
PBIB2987E
PBIA4937J
Revision: May 2010 2011 Versa

EC-612
< SERVICE INFORMATION >[MR18DE]
TROUBLE DIAGNOSIS
CONSULT-III Function (ENGINE)
INFOID:0000000006341739
FUNCTION
*: The following emission-related diagnostic information is cleared when the ECM memory is erased.
• Diagnostic trouble codes
• 1st trip diagnostic trouble codes
• Freeze frame data
• 1st trip freeze frame data
• System readiness test (SRT) codes
•Test values
WORK SUPPORT MODE
Work Item
Diagnostic test mode Function
Work support This mode enables a technician to adjust some devices faster and more accurately by following the in-
dications on the CONSULT-III unit.
Self Diagnostic Result Self-diagnostic results such as 1st trip DTC, DTCs and 1st trip freeze frame data or freeze frame data
can be read and erased quickly.*
Data Monitor Input/Output data in the ECM can be read.
Active Test Diagnostic Test Mode in which CONSULT-III drives so
me actuators apart from the ECMs and also shifts
some parameters in a specified range.
Function Test This mode is used to inform customers when their vehicle condition requires periodic maintenance.
DTC & SRT Confirmation The status of system monitoring tests and the self-diagnosis status/result can be confirmed.
ECU Identification ECM part number can be read.
Work item Condition Usage
FUEL PRESSURE RELEASE • FUEL PUMP WILL STOP BY TOUCHING “START” DUR- ING IDLING.
CRANK A FEW TIMES AFTER ENGINE STALLS. When releasing fuel pressure from
fuel line
IDLE AIR VOL LEARN • THE IDLE AIR VOLUME THAT KEEPS THE ENGINE
WITHIN THE SPECIFIED RANGE IS MEMORIZED IN
ECM. When learning the idle air volume
SELF-LEARNING CONT • THE COEFFICIENT OF SELF-LEARNING CONTROL
MIXTURE RATIO RETURNS TO THE ORIGINAL COEF-
FICIENT. When clearing the coefficient of
self-learning control value
EVAP SYSTEM CLOSE CLOSE THE EVAP CANISTER VENT CONTROL VALVE IN
ORDER TO MAKE EVAP SYSTEM CLOSE UNDER THE
FOLLOWING CONDITIONS.
•IGN SW “ON”
• ENGINE NOT RUNNING
• AMBIENT TEMPERATURE IS ABOVE 0° C (32°F).
• NO VACUUM AND NO HIGH PRESSURE IN EVAP SYS-
TEM
• FUEL TANK TEMP. IS MORE THAN 0 °C (32 °F).
• WITHIN 10 MINUTES AFTER STARTING “EVAP SYS-
TEM CLOSE”
• WHEN TRYING TO EXECUTE “EVAP SYSTEM CLOSE” UNDER THE CONDITION EXCEPT ABOVE, CONSULT-
III WILL DISCONTINUE IT AND DISPLAY APPROPRI-
ATE INSTRUCTION.
NOTE:
WHEN STARTING ENGINE, CONSULT-III MAY DIS-
PLAY “BATTERY VOLTAGE IS LOW. CHARGE BAT-
TERY”, EVEN IN USING CHARGED BATTERY. When detecting EVAP vapor leak
point of EVAP system
TARGET IDLE RPM ADJ* • IDLE CONDITION When setting target idle speed
Revision: May 2010 2011 Versa

TROUBLE DIAGNOSISEC-613
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O*: This function is not necessary in the usual service procedure.
SELF-DIAG RESULTS MODE
Self Diagnostic Item
Regarding items of DTC and 1st trip DTC, refer to EC-542, "Emission-related Diagnostic Information".
Freeze Frame Data and 1st Trip Freeze Frame Data
*: The items are the same as those of 1st trip freeze frame data.
DATA MONITOR MODE
Monitored Item
TARGET IGN TIM ADJ*
• IDLE CONDITION When adjusting target ignition tim-
ing
VIN REGISTRATION • IN THIS MODE, VIN IS REGISTERED IN ECM. When registering VIN in ECM
Work item
Condition Usage
Freeze frame data item* Description
DIAG TROUBLE CODE
[PXXXX] • The engine control com
ponent part/control system has a trouble code, it is displayed as PXXXX.
(Refer to EC-504
)
FUEL SYS-B1 • “Fuel injection system status” at the moment a malfunction is detected is displayed.
• One mode in the following is displayed.
Mode2: Open loop due to detected system malfunction
Mode3: Open loop due to driving conditions (power enrichment, deceleration enleanment)
Mode4: Closed loop - using oxygen sensor(s) as feedback for fuel control
Mode5: Open loop - has not yet satisfied condition to go to closed loop
CAL/LD VALUE [%] • The calculated load value at the moment a malfunction is detected is displayed.
COOLANT TEMP
[ ° C] or [ °F] • The engine coolant temperature at the moment a malfunction is detected is displayed.
L-FUEL TRM-B1 [%] • “Long-term fuel trim” at the moment a malfunction is detected is displayed.
• The long-term fuel trim indicates much more gradual feedback compensation to the base fuel schedule
than short-term fuel trim.
S-FUEL TRM-B1 [%] • “Short-term fuel trim” at the moment a malfunction is detected is displayed.
• The short-term fuel trim indicates dynamic or instantaneous feedback compensation to the base fuel
schedule.
ENGINE SPEED [rpm] • The engine sp eed at the moment a malfunction is de tected is displayed.
VEHICL SPEED
[km/h] or [mph] • The vehicle speed at the moment a malfunction is detected is displayed.
ABSOL TH-P/S [%] • The throttle valve opening angle at the moment a malfunction is detected is displayed.
B/FUEL SCHDL [ms] • The ba se fuel schedule at the moment a malfunction is detected is displayed.
INT/A TEMP SE
[ ° C] or [ °F] • The intake air temperature at the moment a malfunction is detected is displayed.
FUEL SYS-B2
• These items are displayed but are not applicable to this model.
L-FUEL TRM-B2 [%]
S-FUEL TRM-B2 [%]
INT MANI PRES [kPa]
COMBUST CONDITION
Revision: May 2010
2011 Versa

EC-614
< SERVICE INFORMATION >[MR18DE]
TROUBLE DIAGNOSIS
Monitored item [Unit]
Description Remarks
ENG SPEED
[rpm] • Indicates the engine speed computed from the signals of the
crankshaft position sensor (POS) and camshaft position sen-
sor (PHASE). • Accuracy becomes poor if engine speed
drops below the idle rpm.
• If the signal is interrupted while the engine is
running, an abnormal value may be indicat-
ed.
MAS A/F SE-B1
[V] • The signal voltage of the mass air flow sensor is displayed. • When the engine is stopped, a certain value
is indicated.
• When engine is running, specification range is indicated in "SPEC".
B/FUEL SCHDL
[ms] • “Base fuel schedule” indicates the fuel injection pulse width
programmed into ECM, prior to any learned on board correc-
tion. • When engine is running, specification range
is indicated in "SPEC".
A/F ALPHA-B1
[%] • The mean value of the air-fuel ratio feedback correction fac-
tor per cycle is indicated. • When the engine is stopped, a certain value
is indicated.
• This data also includes the data for the air/
fuel ratio learning control.
• When engine is running, specification range is indicated in "SPEC".
COOLAN TEMP/S
[ ° C] or [ °F] • The engine coolant temperature (determined by the signal
voltage of the engine coolant temperature sensor) is dis-
played. • When the engine coolant temperature sen-
sor is open or short-circuited, ECM enters
fail-safe mode. The engine coolant temper-
ature determined by the ECM is displayed.
A/F SEN1 (B1)
[V] • The A/F signal computed from the input signal of the A/F sen-
sor 1 is displayed.
HO2S2 (B1)
[V] • The signal voltage of the heated oxygen sensor 2 is dis-
played.
HO2S2 MNTR(B1)
[RICH/LEAN] • Display of heated oxygen sensor 2 signal:
RICH: means the amount of oxygen after three way catalyst
is relatively small.
LEAN: means the amount of oxygen after three way catalyst
is relatively large. • When the engine is stopped, a certain value
is indicated.
VHCL SPEED SE
[km/h] or [mph] • The vehicle speed computed from the vehicle speed signal is
displayed.
BATTERY VOLT
[V] • The power supply voltage of ECM is displayed.
ACCEL SEN 1
[V] • The accelerator pedal position sensor signal voltage is dis-
played. • ACCEL SEN 2 signal is converted by ECM
internally. Thus, it differs from ECM terminal
voltage signal.
ACCEL SEN 2
[V]
TP SEN 1-B1
[V]
• The throttle position sensor signal voltage is displayed. • TP SEN 2-B1 signal is converted by ECM in-
ternally. Thus, it differs from ECM terminal
voltage signal.
TP SEN 2-B1
[V]
FUEL T/TMP SE
[
° C] or [ °F] • The fuel temperature (determined by the signal voltage of the
fuel tank temperature sensor) is displayed.
INT/A TEMP SE
[ ° C] or [ °F] • The intake air temperature (determined by the signal voltage
of the intake air temperature sensor) is indicated.
EVAP SYS PRES
[V ] •
T
he signal voltage of EVAP control system pressure sensor
is displayed.
FUEL LEVEL SE
[V] • The signal voltage of the fuel level sensor is displayed.
START SIGNAL
[ON/OFF] • Indicates start signal status [ON/OFF] computed by the ECM
according to the signals of engine speed and battery voltage. • After starting the engine, [OFF] is displayed
regardless of the starter signal.
CLSD THL POS
[ON/OFF] • Indicates idle position [ON/OFF] computed by the ECM ac-
cording to the accelerator pedal position sensor signal.
Revision: May 2010 2011 Versa

TROUBLE DIAGNOSISEC-615
< SERVICE INFORMATION > [MR18DE]
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AIR COND SIG
[ON/OFF]
• Indicates [ON/OFF] condition of the air conditioner switch as
determined by the air conditioner signal.
P/N POSI SW
[ON/OFF] • Indicates [ON/OFF] condition from the park/neutral position
(PNP) signal.
PW/ST SIGNAL
[ON/OFF] • [ON/OFF] condition of the power steering system (deter-
mined by the signal sent from EPS control unit) is indicated.
LOAD SIGNAL
[ON/OFF] • Indicates [ON/OFF] condition from the electrical load signal.
ON: Rear window defogger switch is ON and/or lighting
switch is in 2nd position.
OFF: Both rear window defogger switch and lighting switch
are OFF.
IGNITION SW
[ON/OFF] • Indicates [ON/OFF] condition from ignition switch.
HEATER FAN SW
[ON/OFF] • Indicates [ON/OFF] condition from the heater fan switch sig-
nal.
BRAKE SW
[ON/OFF] • Indicates [ON/OFF] condition from the stop lamp switch sig-
nal.
INJ PULSE-B1
[msec] • Indicates the actual fuel injection pulse width compensated
by ECM according to the input signals. • When the engine is stopped, a certain com-
puted value is indicated.
IGN TIMING
[BTDC] • Indicates the ignition timing computed by ECM according to
the input signals. • When the engine is stopped, a certain value
is indicated.
CAL/LD VALUE
[%] • “Calculated load value” indicates the value of the current air-
flow divided by peak airflow.
MASS AIRFLOW
[g·m/s] • Indicates the mass airflow computed by ECM according to
the signal voltage of the mass air flow sensor.
PURG VOL C/V
[%] • Indicates the EVAP canister purge volume control solenoid
valve control value computed by the ECM according to the in-
put signals.
• The opening becomes larger as the value increases.
INT/V TIM(B1)
[ ° CA] • Indicates [
°CA] of intake camshaft advanced angle.
INT/V SOL(B1)
[%] • The control value of the intake valve timing control solenoid
valve (determined by ECM according to the input signal) is in-
dicated.
• The advance angle becomes larger as the value increases
AIR COND RLY
[ON/OFF] • The air conditioner relay control condition (determined by
ECM according to the input signals) is indicated.
FUEL PUMP RLY
[ON/OFF] • Indicates the fuel pump relay control condition determined by
ECM according to the input signals.
VENT CONT/V
[ON/OFF] • The control condition of the EVAP canister vent control valve
(determined by ECM according to the input signals) is indi-
cated.
ON: Closed
OFF: Open
THRTL RELAY
[ON/OFF] • Indicates the throttle control
motor relay control condition de-
termined by the ECM according to the input signals.
COOLING FAN
[HI/LOW/OFF] • Indicates the condition of the cooling fan (determined by
ECM according to the input signals).
HI: High speed operation
LOW: Low speed operation
OFF: Stop
HO2S2 HTR (B1)
[ON/OFF] • Indicates [ON/OFF] condition of heated oxygen sensor 2
heater determined by ECM according to the input signals.
I/P PULLY SPD
[rpm] • Indicates the engine speed computed from the input speed
se ns
or si

gnal.
Monitored item [Unit]
Description Remarks
Revision: May 2010 2011 Versa