sensor NISSAN LATIO 2009 Service Repair Manual

Air cleaner
EM-139Air leakage from air duct
(Mass air flow sensor — electric
throttle control actuator) 5 5 5 5 EM-139Electric throttle control actuator
EM-141Air leakage from intake manifold/
Collector/Gasket EM-141Cranking Battery
1 1 1 1 1 1
11
SC-7 Generator circuit
SC-22Starter circuit 3
SC-16Signal plate 6
EM-200Park/neutral position (PNP)
switch 4 MT-54 ,
AT-95 ,
CVT-252 Engine Cylinder head
5 5 5 5 5 5 5 5 EM-186Cylinder head gasket 4 3
Cylinder block
6 6 6 6 6 6 6 6 4
EM-200 Piston
Piston ring
Connecting rod
Bearing
Crankshaft
Valve
mecha-
nism Timing chain
5 5 5 5 5 5 5 5 EM-161Camshaft
EM-170Intake valve timing control
EM-161Intake valve
3EM-189 Exhaust valve
Exhaust Exhaust manifold/Tube/Muffler/ Gasket 5 5 5 5 5 5 5 5 EM-144 ,
EX-9 Three way catalyst
Lubrica-
tion Oil pan/Oil strainer/Oil pump/Oil
filter/Oil gallery 5 5 5 5 5 5 5 5 EM-147 ,
LU-19 Oil level (Low)/Filthy oil
LU-16SYMPTOM
ReferenceHARD/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

EC-1100< SERVICE INFOMATION >
[MR TYPE 2]
TROUBLE DIAGNOSIS
Engine Control Comp onent Parts Location INFOID:0000000004499941
1. Ignition coil (with power transistor) and spark plug 2. Intake valve timing control solenoid
valve 3. Refrigerant pressure sensor
4. Knock sensor 5. Fuel injector 6. Cooling fan motor
7. Camshaft position sensor (PHASE) 8. IPDM E/R 9. ECM
10. Mass air flow sensor (with intake air temperature sensor) 11. Engine coolant temperature sensor 12. Electric throttle control actuator
(with built-in throttle position sensor,
throttle control motor)
13. EVAP canister purge volume control solenoid valve PBIB3261E

TROUBLE DIAGNOSIS
EC-1101
< SERVICE INFOMATION >
[MR TYPE 2] C
D E
F
G H
I
J
K L
M A EC
NP
O
: Vehicle front
1. Mass air flow sensor (with intake air temperature sensor) 2. Engine coolant temperature sensor 3. Electric throttle control actuator
(with built in throttle position sensor,
throttle control motor)
4. PCV valve 5. Cooling fan motor 6. Resistor
7. Refrigerant pressure sensor BBIA0724E

EC-1102< SERVICE INFOMATION >
[MR TYPE 2]
TROUBLE DIAGNOSIS
: Vehicle front
1. Intake valve timing control solenoid valve 2. Knock sensor 3. IPDM E/R
4. Fuel pump fuse (15A) 5. Fuel level sensor unit and fuel pump harness connector (view with in-
spection hole cover removed) 6. Fuel level sensor unit and fuel pump
7. Fuel pressure regulator 8. Fuel level sensor 9. Fuel tank temperature sensor
10. Ignition coil (with power transistor) and spark plug 11. Fuel injector BBIA0725E

TROUBLE DIAGNOSIS
EC-1103
< SERVICE INFOMATION >
[MR TYPE 2] C
D E
F
G H
I
J
K L
M A EC
NP
O
:
Vehicle front
1. Crankshaft position sensor (POS) 2. Camshaft position sensor (PHASE) 3. EVAP canister purge volume control solenoid valve
4. EVAP service port 5. ECM harness connector 6. ECM
7. Stop lamp switch 8. Accelerator pedal position sensor BBIA0727E

EC-1104< SERVICE INFOMATION >
[MR TYPE 2]
TROUBLE DIAGNOSIS
: Vehicle front
1. Air fuel ratio (A/F) sensor 1 2. Three way catalyst (Manifold) 3. Heated oxygen sensor 2
4. Three way catalyst (Under floor) 5. Muffler 6. Air fuel ratio (A/F) sensor 1 harness connector
7. Heated oxygen sensor 2 harness connector BBIA0726E

TROUBLE DIAGNOSIS
EC-1109
< SERVICE INFOMATION >
[MR TYPE 2] C
D E
F
G H
I
J
K L
M A EC
NP
O
ECM Harness Connector Terminal Layout
INFOID:0000000004499944
ECM Terminal and Reference Value INFOID:0000000004499945
PREPARATION 1. ECM (1) is located in the engine room left side near battery. • : Vehicle front
ECM INSPECTION TABLE Specification data are reference values and are measured between each terminal and ground.
Pulse signal is measured by CONSULT-III.
CAUTION:
Do not use ECM ground terminals wh en measuring input/output voltage. Doing so may result in dam-
age to the ECMs transistor. Use a ground ot her than ECM terminals, such as the ground. PBIA9221J
PBIB2959E
TERMI-
NAL NO. WIRE
COLOR ITEM CONDITION DATA (DC Voltage)
1 L Throttle control motor
(Open) [Ignition switch: ON]
• Engine stopped
• Shift lever: D (A/T, CVT), 1st (M/T)
• Accelerator pedal: Fully depressed Approximately 3.2V
2 SB Throttle contro
l motor power
supply [Ignition switch: ON] BATTERY VOLTAGE
(11 - 14V)
3 G A/F sensor 1 heater [Engine is running]
• Warm-up condition
• Idle speed
(More than 140 seconds after starting en-
gine) Approximately 2.9 - 8.8V PBIA8150J
PBIA8148J

EC-1110< SERVICE INFOMATION >
[MR TYPE 2]
TROUBLE DIAGNOSIS
4 P Throttle contro l motor (Close)[Ignition switch: ON]
• Engine stopped
• Shift lever: D (A/T, CVT), 1st (M/T)
• Accelerator pedal: Fully released Approximately 1.8V
5 G Heated oxygen sensor 2
heater [Engine is running]
• Engine speed: Below 3,600 rpm 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. Approximately 10V
[Ignition switch: ON]
• Engine stopped
[Engine is running]
• Engine speed: Above 3,600 rpm. BATTERY VOLTAGE
(11 - 14V)
9 P EVAP canister purge volume
control solenoid valve [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 starting engine) Approximately 10V
10 11 B
B ECM ground
[Engine is running]
• Idle speed Body ground
13 L Tachometer signal [Engine is running]
• Warm-up condition
• Idle speed
NOTE:
The pulse cycle changes depending on rpm
at idle. 3 - 5V
[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm. 3 - 5V
TERMI-
NAL
NO. WIRE
COLOR ITEM CONDITION DATA (DC Voltage) PBIA8149J
PBIA8148J
PBIB0050E
PBIB0520E
PBIA8164J
PBIA8165J

TROUBLE DIAGNOSIS
EC-1113
< SERVICE INFOMATION >
[MR TYPE 2] C
D E
F
G H
I
J
K L
M A EC
NP
O
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 1.0V
51 O Sensor ground
(EVAP control system pres-
sure sensor) [Engine is running]
• Warm-up condition
• Idle speed Approximately 0V
52 LG Sensor ground
(Mass air flow sensor) [Engine is running]
• Warm-up condition
• Idle speed Approximately 0V
53 B A/F sensor 1 [Ignition switch: ON]Approximately 2.2V
55 O Sensor ground
(Intake air temperature sen-
sor) [Engine is running]
• Warm-up condition
• Idle speed Approximately 0V
59 O Sensor ground
(Heated oxygen sensor 2) [Engine is running]
• Warm-up condition
• Idle speed Approximately 0V
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 4.0V
[Engine is running]
• Engine speed: 2,000 rpm Approximately 4.0V
62 R Sensor ground
[Crankshaft position sensor
(POS)] [Engine is running]
• Warm-up condition
• Idle speed Approximately 0V
63 BR Sensor ground
[Camshaft position sensor
(PHASE)] [Engine is running]
• Warm-up condition
• Idle speed Approximately 0V
TERMI-
NAL
NO. WIRE
COLOR ITEM CONDITION DATA (DC Voltage) PBIB2998E
PBIB2999E

EC-1114< SERVICE INFOMATION >
[MR TYPE 2]
TROUBLE DIAGNOSIS
65 G Camshaft position sensor
(PHASE) [Engine is running]
• Warm-up condition
• Idle speed
NOTE:
The pulse cycle changes depending on rpm
at idle. 1.0 - 2.0V
[Engine is running]
• Engine speed: 2,000 rpm. 1.0 - 2.0V
69 L Park/neutral position (PNP)
switch [Ignition switch: ON]
• Shift lever: P or N (A/T, CVT), Neutral (M/T) BATTERY VOLTAGE
(11 - 14V)
[Ignition switch: ON]
• Except above Approximately 0V
72 V Sensor power supply
(Throttle position sensor) [Ignition switch: ON]
Approximately 5V
73 P Intake valve timing control
solenoid valve [Engine is running]
• Warm-up condition
• Idle speed BATTERY VOLTAGE
(11 - 14V)
[Engine is running]
• Warm-up condition
• When revving engine up to 2,000 rpm quick-
ly 7 - 10V
74 W Sensor power supply
(Refrigerant pressure
sensor) [Ignition switch: ON]
Approximately 5V
75 BR Sensor power supply
[Crankshaft position sensor
(POS)] [Ignition switch: ON]
Approximately 5V
76 W EVAP control system pres-
sure sensor power supply [Ignition switch: ON]
Approximately 5V
78 O Sensor power supply
[Camshaft position sensor
(PHASE)] [Ignition switch: ON]
Approximately 5V
83 P CAN communication line — —
84 L CAN communication line — —
88 LG DATA link connector — —
93 O Ignition switch [Ignition switch: OFF]
0V
[Ignition switch: ON] BATTERY VOLTAGE
(11 - 14V)
TERMI-
NAL
NO. WIRE
COLOR ITEM CONDITION DATA (DC Voltage) PBIB2986E
PBIB2987E
PBIA4937J