Page 1697 of 3502
![NISSAN TEANA 2003 Service Manual TROUBLE DIAGNOSIS
EC-415
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ECM Harness Connector Terminal LayoutBBS004YD
ECM Terminals and Reference ValueBBS004YE
PREPARATION
1. ECM is located behind the glove box. Fo NISSAN TEANA 2003 Service Manual TROUBLE DIAGNOSIS
EC-415
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ECM Harness Connector Terminal LayoutBBS004YD
ECM Terminals and Reference ValueBBS004YE
PREPARATION
1. ECM is located behind the glove box. Fo](/manual-img/5/57392/w960_57392-1696.png)
TROUBLE DIAGNOSIS
EC-415
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ECM Harness Connector Terminal LayoutBBS004YD
ECM Terminals and Reference ValueBBS004YE
PREPARATION
1. ECM is located behind the glove box. For this inspection,
remove glove box.
2. Remove ECM harness connector.
3. When disconnecting ECM harness connector, loosen it with
levers as far as they will go as shown in the figure.
4. Connect a break-out box (SST) and Y-cable adapter (SST)
between the ECM and ECM harness connector.
Use extreme care not to touch 2 pins at one time.
Data is for comparison and may not be exact.
ECM INSPECTION TABLE
Specification data are reference values and are measured between each terminal and ground.
Pulse signal is measured by CONSULT-II.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECMs transistor. Use a ground other than ECM terminals, such as the ground.
MBIB0045E
PBIB2464E
PBIB2466E
TER-
MINAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
1 B ECM ground[Engine is running]
Idle speedBody ground
Page 1698 of 3502
![NISSAN TEANA 2003 Service Manual 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
E NISSAN TEANA 2003 Service Manual EC-416
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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
E](/manual-img/5/57392/w960_57392-1697.png)
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
Page 1699 of 3502
TROUBLE DIAGNOSIS
EC-417
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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
Page 1700 of 3502
![NISSAN TEANA 2003 Service Manual 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
[Engi NISSAN TEANA 2003 Service Manual EC-418
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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
[Engi](/manual-img/5/57392/w960_57392-1699.png)
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
Page 1701 of 3502
![NISSAN TEANA 2003 Service Manual TROUBLE DIAGNOSIS
EC-419
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25 P/BHeated oxygen sensor 2
heater (Bank 1)[Engine is running]
Engine speed: Below 3,600 rpm after the
following conditions are met
–Eng NISSAN TEANA 2003 Service Manual TROUBLE DIAGNOSIS
EC-419
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25 P/BHeated oxygen sensor 2
heater (Bank 1)[Engine is running]
Engine speed: Below 3,600 rpm after the
following conditions are met
–Eng](/manual-img/5/57392/w960_57392-1700.png)
TROUBLE DIAGNOSIS
EC-419
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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
Page 1702 of 3502
![NISSAN TEANA 2003 Service Manual 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 dependin NISSAN TEANA 2003 Service Manual 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 dependin](/manual-img/5/57392/w960_57392-1701.png)
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
Page 1703 of 3502
![NISSAN TEANA 2003 Service Manual TROUBLE DIAGNOSIS
EC-421
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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)
NISSAN TEANA 2003 Service Manual TROUBLE DIAGNOSIS
EC-421
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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)](/manual-img/5/57392/w960_57392-1702.png)
TROUBLE DIAGNOSIS
EC-421
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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
Page 1704 of 3502
![NISSAN TEANA 2003 Service Manual 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 te NISSAN TEANA 2003 Service Manual 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 te](/manual-img/5/57392/w960_57392-1703.png)
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