2003 NISSAN TEANA sensor

EC-404
[VQ]
TROUBLE DIAGNOSIS

Air Air duct
55555 5EM-131
Air cleanerEM-131
Air leakage from air duct
(Mass air flow sensor — electric
throttle control actuator)
5555EM-131
Electric throttle control actuatorEM-133
Air leakage from intake manifold/
Collector/GasketEM-133,
EM-138
Cranking Battery
111111
11SC-4
Generator circuitSC-27
Starter circuit 3EM-228
Signal plate 6EM-228
PNP switch 4AT- 2 3 0,
CVT-62
Engine Cylinder head
55555 55 5EM-210
Cylinder head gasket 4 3
Cylinder block
66666 66 64
EM-228
Piston
Piston ring
Connecting rod
Bearing
Crankshaft
Va l v e
mecha-
nismTiming chain
55555 55 5EM-173
CamshaftEM-192
Intake valve timing controlEM-173
Intake valve
3EM-210
Exhaust valve
Exhaust Exhaust manifold/Tube/Muffler/
Gasket
55555 55 5EM-140
,
EX-2
Three way catalyst
Lubrica-
tionOil pan/Oil strainer/Oil pump/Oil
filter/Oil gallery/Oil cooler
55555 55 5EM-145
,
LU-22
, LU-
23 , LU-25
Oil level (Low)/Filthy oilLU-19
SYMPTOM
Reference
page
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

EC-416
[VQ]
TROUBLE DIAGNOSIS

2OHeated oxygen sensor 1
heater (Bank 1)[Engine is running]

Warm-up condition

Engine speed: Below 3,600 rpmApproximately 8V
[Engine is running]

Warm-up condition

Engine speed: Above 3,600 rpmBATTERY VOLTAGE
(11 - 14V)
3G/WThrottle control motor relay
power supply[Ignition switch: ON]BATTERY VOLTAGE
(11 - 14V)
4 L Throttle control motor (Close)[Ignition switch: ON]

Engine: Stopped

Shift lever: D

Accelerator pedal: Fully releasedApproximately 2.1V
5 Y Throttle control motor (Open)[Ignition switch: ON]

Engine: Stopped

Shift lever: D

Accelerator pedal: Fully depressedApproximately 3V
6R/LHeated oxygen sensor 2
heater (Bank 2)[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 load0 - 1.0V
[Ignition switch: ON]

Engine: Stopped
[Engine is running]

Engine speed: Above 3,600 rpmBATTERY VOLTAGE
(11 - 14V)
8W/LElectronic controlled engine
mount-1[Engine is running]

Idle speed (with vehicle stopped)0 - 3.0V
[Engine is running]

Except above conditionsBATTERY VOLTAGE
(11 - 14V)
9O/BElectronic controlled engine
mount-2[Engine is running]

Idle speed (with vehicle stopped)BATTERY VOLTAGE
(11 - 14V)
[Engine is running]

Except above conditions0 - 3.0V TER-
MINAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
PBIB0519E
PBIB1104E
PBIB1105E

TROUBLE DIAGNOSIS
EC-417
[VQ]
C
D
E
F
G
H
I
J
K
L
MA
EC

10 YIntake valve timing control
solenoid valve (Bank 2)[Engine is running]

Warm-up condition

Idle speedBATTERY VOLTAGE
(11 - 14V)
[Engine is running]

Warm-up condition

When revving engine up to 2,000 rpm
quickly7 - 12V
11 LG/BIntake valve timing control
solenoid valve (Bank 1)[Engine is running]

Warm-up condition

Idle speedBATTERY VOLTAGE
(11 - 14V)
[Engine is running]

Warm-up condition

When revving engine up to 2,000 rpm
quickly7 - 12V
12 WPower steering pressure sen-
sor[Engine is running]

Steering wheel: Being turned0.5 - 4.5V
[Engine is running]

Steering wheel: Not being turned0.4 - 0.8V
13 WCrankshaft position sensor
(POS)[Engine is running]

Warm-up condition

Idle speed
NOTE:
The pulse cycle changes depending on rpm
at idleApproximately 1.6V
[Engine is running]

Engine speed: 2,000 rpmApproximately 1.4V TER-
MINAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
PBIB1790E
PBIB1790E
PBIB1041E
PBIB1042E

EC-418
[VQ]
TROUBLE DIAGNOSIS

14 WCamshaft position sensor
(PHASE) (Bank 2)[Engine is running]

Warm-up condition

Idle speed
NOTE:
The pulse cycle changes depending on rpm
at idle1.0 - 4.0V
[Engine is running]

Engine speed: 2,000 rpm1.0 - 4.0V
15 W Knock sensor[Engine is running]

Idle speedApproximately 2.5V
16 WHeated oxygen sensor 1
(Bank 2)[Engine is running]

Warm-up condition

Engine speed: 2,000 rpm0 - Approximately 1.0V
(Periodically change)
21
22
23L/W
R/Y
R/BFuel injector No. 5
Fuel injector No. 3
Fuel injector No. 1[Engine is running]

Warm-up condition

Idle speed
NOTE:
The pulse cycle changes depending on rpm
at idleBATTERY VOLTAGE
(11 - 14V)
[Engine is running]

Warm-up condition

Engine speed: 2,000 rpmBATTERY VOLTAGE
(11 - 14V)
24 R/LHeated oxygen sensor 1
heater (Bank 2)[Engine is running]

Warm-up condition

Engine speed: Below 3,600 rpmApproximately 5V
[Engine is running]

Engine speed: Above 3,600 rpmBATTERY VOLTAGE
(11 - 14V) TER-
MINAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
PBIB1039E
PBIB1040E
SEC984C
SEC985C
PBIB0519E

TROUBLE DIAGNOSIS
EC-419
[VQ]
C
D
E
F
G
H
I
J
K
L
MA
EC

25 P/BHeated oxygen sensor 2
heater (Bank 1)[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 load0 - 1.0V
[Ignition switch: ON]

Engine: Stopped
[Engine is running]

Engine speed: Above 3,600 rpmBATTERY VOLTAGE
(11 - 14V)
29 Y/G VIAS control solenoid valve[Engine is running]

Idle speedBATTERY VOLTAGE
(11 - 14V)
[Engine is running]

Engine speed:
Between 1,800 and 3,600 rpm (VQ35DE
engine)
Between 1,800 and 3,750 rpm (VQ23DE
engine)0 - 1.0V
33 WCamshaft position sensor
(PHASE) (Bank 1)[Engine is running]

Warm-up condition

Idle speed
NOTE:
The pulse cycle changes depending on rpm
at idle1.0 - 4.0V
[Engine is running]

Engine speed: 2,000 rpm1.0 - 4.0V
34 L/Y Intake air temperature sensor[Engine is running]Approximately 0 - 4.8V
Output voltage varies with intake
air temperature.
35 WHeated oxygen sensor 1
(Bank 1)[Engine is running]

Warm-up condition

Engine speed: 2,000 rpm0 - Approximately 1.0V
(Periodically change) TER-
MINAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
PBIB1039E
PBIB1040E

EC-420
[VQ]
TROUBLE DIAGNOSIS

40
41
42P/B
LG/R
R/WFuel injector No. 6
Fuel injector No. 4
Fuel injector No. 2[Engine is running]

Warm-up condition

Idle speed
NOTE:
The pulse cycle changes depending on rpm
at idleBATTERY VOLTAGE
(11 - 14V)
[Engine is running]

Warm-up condition

Engine speed: 2,000 rpmBATTERY VOLTAGE
(11 - 14V)
45 PEVAP canister purge volume
control solenoid valve[Engine is running]

Idle speedBATTERY VOLTAGE
(11 - 14V)
[Engine is running]

Engine speed: About 2,000 rpm (More than
100 seconds after starting engine)BATTERY VOLTAGE
(11 - 14V)
47 WSensor power supply
(Throttle position sensor)[Ignition switch: ON]Approximately 5V
49 BR/WSensor power supply
(Refrigerant pressure sensor)[Ignition switch: ON]Approximately 5V
50 Y Throttle position sensor 1[Ignition switch: ON]

Engine: Stopped

Shift lever: D

Accelerator pedal: Fully releasedMore than 0.36V
[Ignition switch: ON]

Engine: Stopped

Shift lever: D

Accelerator pedal: Fully depressedLess than 4.75V TER-
MINAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
SEC984C
SEC985C
SEC990C
SEC991C

TROUBLE DIAGNOSIS
EC-421
[VQ]
C
D
E
F
G
H
I
J
K
L
MA
EC

51 W Mass air flow sensor[Ignition switch: ON]Approximately 0.4V
[Engine is running]

Warm-up condition

Idle speed0.9 - 1.1V (VQ23DE engine)
1.0 - 1.3V (VQ35DE engine)
[Engine is running]

Warm-up condition

Engine is revving from idle to about 4,000
rpm0.9 - 1.1 to Approx. 2.4
(VQ23DE engine)
1.0 - 1.3 to Approx. 2.4
(VQ35DE engine)
(Check for linear voltage rise in
response to engine being
increased to about 4,000 rpm.)
55 WHeated oxygen sensor 2
(Bank 2)[Engine is running]

Revving engine from idle up 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 load0 - Approximately 1.0V
60
61
62P/W
L/R
Y/RIgnition signal No. 5
Ignition signal No. 3
Ignition signal No. 1[Engine is running]

Warm-up condition

Idle speed
NOTE:
The pulse cycle changes depending on rpm
at idle0 - 0.3V
[Engine is running]

Warm-up condition

Engine speed: 2,500 rpm0.1 - 0.6V
66 LSensor ground
(Throttle position sensor)[Engine is running]

Warm-up condition

Idle speedApproximately 0V
67 Y Sensor ground[Engine is running]

Warm-up condition

Idle speedApproximately 0V
68 LSensor power supply
(PSP sensor)[Ignition switch: ON]Approximately 5V
69 G Throttle position sensor 2[Ignition switch: ON]

Engine: Stopped

Shift lever: D

Accelerator pedal: Fully releasedLess than 4.75V
[Ignition switch: ON]

Engine: Stopped

Shift lever: D

Accelerator pedal: Fully depressedMore than 0.36V TER-
MINAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
SEC986C
SEC987C

EC-422
[VQ]
TROUBLE DIAGNOSIS

70 W Refrigerant pressure sensor[Engine is running]
Warm-up condition

Both A/C switch and blower fan switch: ON
(Compressor operates)1.0 - 4.0V
73 LGEngine coolant temperature
sensor[Engine is running]Approximately 0 - 4.8V
Output voltage varies with
engine coolant temperature.
74 LHeated oxygen sensor 2
(Bank 1)[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 load0 - Approximately 1.0V
78 BSensor ground
(Heated oxygen sensor)[Engine is running]

Warm-up condition

Idle speedApproximately 0V
79
80
81GR/R
GR
G/RIgnition signal No. 6
Ignition signal No. 4
Ignition signal No. 2[Engine is running]

Warm-up condition

Idle speed
NOTE:
The pulse cycle changes depending on rpm
at idle0 - 0.3V
[Engine is running]

Warm-up condition

Engine speed: 2,500 rpm0.1 - 0.6V
82 BSensor ground
(APP sensor 1)[Engine is running]

Warm-up condition

Idle speedApproximately 0V
83 GSensor ground
(APP sensor 2)[Engine is running]

Warm-up condition

Idle speedApproximately 0V
85 O Data link connector[Ignition switch: ON]

CONSULT-II: DisconnectedApproximately 5V - Battery volt-
age (11 - 14V)
86 Y CAN communication line[Ignition switch: ON]Approximately 1.1 - 2.3V
Output voltage varies with the
communication status
90 R/WSensor power supply
(APP sensor 1)[Ignition switch: ON]Approximately 5V
91 PSensor power supply
(APP sensor 2)[Ignition switch: ON]Approximately 5V
94 L CAN communication line[Ignition switch: ON]Approximately 2.6 - 3.2V
Output voltage varies with the
communication status. TER-
MINAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
SEC986C
SEC987C