Page 1825 of 5121
![NISSAN TEANA 2008 Service Manual EC-364
< ECU DIAGNOSIS >[VQ25DE, VQ35DE]
ECM
25
(P/L)11 2
(B)EVAP canister purge volume
control solenoid valveOutput[Engine is running]
Idle speed
Accelerator pedal: Not de-
pressed even slightly NISSAN TEANA 2008 Service Manual EC-364
< ECU DIAGNOSIS >[VQ25DE, VQ35DE]
ECM
25
(P/L)11 2
(B)EVAP canister purge volume
control solenoid valveOutput[Engine is running]
Idle speed
Accelerator pedal: Not de-
pressed even slightly](/manual-img/5/57391/w960_57391-1824.png)
EC-364
< ECU DIAGNOSIS >[VQ25DE, VQ35DE]
ECM
25
(P/L)11 2
(B)EVAP canister purge volume
control solenoid valveOutput[Engine is running]
Idle speed
Accelerator pedal: Not de-
pressed even slightly, after
engine startingBATTERY VOLTAGE
(11 - 14 V)
[Engine is running]
Engine speed: About 2,000
rpm (More than 100 seconds
after starting engine)BATTERY VOLTAGE
(11 - 14 V)
26
(GR/B)11 2
(B)VIAS control solenoid valve 2 Output[Engine is running]
Warm-up condition
Idle speedBATTERY VOLTAGE
(11 - 14 V)
[Engine is running]
Warm-up condition
When revving engine up to
5,000 rpm quicklyBATTERY VOLTAGE (11 - 14 V)
↓
0 - 1.0 V
↓
BATTERY VOLTAGE (11 - 14 V)
27
(V)11 2
(B)VIAS control solenoid valve 1 Output[Engine is running]
Warm-up condition
Idle speedBATTERY VOLTAGE
(11 - 14 V)
[Engine is running]
Warm-up condition
When revving engine up to
5,000 rpm quicklyBATTERY VOLTAGE (11 - 14 V)
↓
0 - 1.0 V
↓
BATTERY VOLTAGE (11 - 14 V)
28
(BR/W)11 2
(B)Electronic controlled engine
mount control solenoid valveOutput[Engine is running]
Idle speed0 - 1.0 V
[Engine is running]
Engine speed: More than 950
rpmBATTERY VOLTAGE
(11 - 14 V)
33
(W)35
(B)Heated oxygen sensor 2
(Bank 1)Input[Engine is running]
Revving engine from idle to
3,000 rpm quickly after the fol-
lowing conditions are met
- Engine: after warming up
- Keeping the engine speed be-
tween 3,500 and 4,000 rpm
for 1 minute and at idle for 1
minute under no load0 - 1.0 V
34
(W/L)35
(B)Heated oxygen sensor 2
(Bank 2)Input[Engine is running]
Revving engine from idle to
3,000 rpm quickly after the fol-
lowing conditions are met
- Engine: after warming up
- Keeping the engine speed be-
tween 3,500 and 4,000 rpm
for 1 minute and at idle for 1
minute under no load0 - 1.0 V Terminal No. Description
ConditionVa l u e
(Approx.)
+ -– Signal nameInput/
Output
JMBIA0039GB
JMBIA0040GB
Page 1826 of 5121
![NISSAN TEANA 2008 Service Manual ECM
EC-365
< ECU DIAGNOSIS >[VQ25DE, VQ35DE]
C
D
E
F
G
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EC
N
P O35
(B)—Sensor ground
(Heated oxygen sensor 2)—— —
36
(B)—Sensor ground
(Throttle position sensor)—— —
37
(W) NISSAN TEANA 2008 Service Manual ECM
EC-365
< ECU DIAGNOSIS >[VQ25DE, VQ35DE]
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EC
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P O35
(B)—Sensor ground
(Heated oxygen sensor 2)—— —
36
(B)—Sensor ground
(Throttle position sensor)—— —
37
(W)](/manual-img/5/57391/w960_57391-1825.png)
ECM
EC-365
< ECU DIAGNOSIS >[VQ25DE, VQ35DE]
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D
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EC
N
P O35
(B)—Sensor ground
(Heated oxygen sensor 2)—— —
36
(B)—Sensor ground
(Throttle position sensor)—— —
37
(W)36
(B)Throttle position sensor 1 Input[Ignition switch: ON]
Engine stopped
Selector lever: D
Accelerator pedal: Fully re-
leasedMore than 0.36 V
[Ignition switch: ON]
Engine stopped
Selector lever: D
Accelerator pedal: Fully de-
pressedLess than 4.75 V
38
(R)36
(B)Throttle position sensor 2 Input[Ignition switch: ON]
Engine stopped
Selector lever: D
Accelerator pedal: Fully re-
leasedLess than 4.75 V
[Ignition switch: ON]
Engine stopped
Selector lever: D
Accelerator pedal: Fully de-
pressedMore than 0.36 V
39
(R)40
(G)Refrigerant pressure sensor Input[Engine is running]
Warm-up condition
Both A/C switch and blower
fan motor switch: ON (Com-
pressor operates)1.0 - 4.0 V
40
(G)—Sensor ground
(Refrigerant pressure sensor)—— —
41
(O/B)48
(B/P)Power steering pressure sen-
sorInput[Engine is running]
Steering wheel: Being turned0.5 - 4.5 V
[Engine is running]
Steering wheel: Not being
turned0.4 - 0.8 V
42
(BR)44
(G/B)Battery current sensor Input[Engine is running]
Battery: Fully charged*
2
Idle speed2.6 - 3.5 V
44
(G/B)—Sensor ground
(Battery current sensor)—— —
45
(P)49
(L)A/F sensor 1 (Bank 1) Input [Ignition switch: ON] 2.2 V
46
(Y)52
(B/R)Engine coolant temperature
sensorInput [Engine is running]0 - 4.8 V
Output voltage varies with engine
coolant temperature.
47
(G)36
(B)Sensor power supply
(Throttle position sensor)— [Ignition switch: ON] 5 V
48
(B/P)—Sensor ground
(Power steering pressure
sensor)—— —
49
(L)11 2
(B)A/F sensor 1 (Bank 1) Input[Engine is running]
Warm-up condition
Engine speed: 2,000 rpm1.8 V
Output voltage varies with air fuel
ratio. Terminal No. Description
ConditionVa l u e
(Approx.)
+-– Signal nameInput/
Output
Page 1827 of 5121
![NISSAN TEANA 2008 Service Manual EC-366
< ECU DIAGNOSIS >[VQ25DE, VQ35DE]
ECM
50
(L/Y)56
(G/B)Intake air temperature sensor Input [Engine is running]0 - 4.8 V
Output voltage varies with intake
air temperature.
51
(R/Y)44
(G/B)Sensor NISSAN TEANA 2008 Service Manual EC-366
< ECU DIAGNOSIS >[VQ25DE, VQ35DE]
ECM
50
(L/Y)56
(G/B)Intake air temperature sensor Input [Engine is running]0 - 4.8 V
Output voltage varies with intake
air temperature.
51
(R/Y)44
(G/B)Sensor](/manual-img/5/57391/w960_57391-1826.png)
EC-366
< ECU DIAGNOSIS >[VQ25DE, VQ35DE]
ECM
50
(L/Y)56
(G/B)Intake air temperature sensor Input [Engine is running]0 - 4.8 V
Output voltage varies with intake
air temperature.
51
(R/Y)44
(G/B)Sensor power supply
(Battery current sensor)— [Ignition switch: ON] 5 V
52
(B/R)—Sensor ground
(Engine coolant temperature
sensor/Engine oil tempera-
ture sensor)—— —
53
(V)57
(LG)A/F sensor 1 (Bank 2) Input [Ignition switch: ON] 2.2 V
54
(G)52
(B/R)Engine oil temperature sensor Input [Engine is running]0 - 4.8 V
Output voltage varies with engine
oil temperature.
55
(SB)48
(Y)Sensor power supply
(Power steering pressure
sensor)— [Ignition switch: ON] 5 V
56
(G/B)—Sensor ground
(Mass air flow sensor/Intake
air temperature sensor)—— —
57
(LG)11 2
(B)A/F sensor 1 (Bank 2) Input[Engine is running]
Warm-up condition
Engine speed: 2,000 rpm1.8 V
Output voltage varies with air fuel
ratio.
58
(O)56
(G/B)Mass air flow sensor Input[Engine is running]
Warm-up condition
Idle speed0.9 - 1.2 V
[Engine is running]
Warm-up condition
Engine speed: 2,500 rpm1.6 - 1.9 V
59
(G/W)64
(B/R)Sensor power supply
[Camshaft position sensor
(PHASE) (Bank 1)]— [Ignition switch: ON] 5 V
60
(Y/B)—Sensor ground
[Crankshaft position sensor
(POS)]—— —
61
(B)67
(GR)Knock sensor (Bank 1) Input[Engine is running]
Idle speed2.5 V*
1
62
(W)67
(GR)Knock sensor (Bank 2) Input[Engine is running]
Idle speed2.5 V*1
63
(R/W)68
(Y/G)Sensor power supply
[Camshaft position sensor
(PHASE) (Bank 2)]— [Ignition switch: ON] 5 V
64
(B/R)—Sensor ground
[Camshaft position sensor
(PHASE) (Bank 1)]—— — Terminal No. Description
ConditionVa l u e
(Approx.)
+ -– Signal nameInput/
Output
Page 1828 of 5121
![NISSAN TEANA 2008 Service Manual ECM
EC-367
< ECU DIAGNOSIS >[VQ25DE, VQ35DE]
C
D
E
F
G
H
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EC
N
P O
65
(W/B)60
(Y/B)Crankshaft position sensor
(POS)Input[Engine is running]
Warm-up condition
Idle speed
NOTE:
The pulse NISSAN TEANA 2008 Service Manual ECM
EC-367
< ECU DIAGNOSIS >[VQ25DE, VQ35DE]
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65
(W/B)60
(Y/B)Crankshaft position sensor
(POS)Input[Engine is running]
Warm-up condition
Idle speed
NOTE:
The pulse](/manual-img/5/57391/w960_57391-1827.png)
ECM
EC-367
< ECU DIAGNOSIS >[VQ25DE, VQ35DE]
C
D
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I
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EC
N
P O
65
(W/B)60
(Y/B)Crankshaft position sensor
(POS)Input[Engine is running]
Warm-up condition
Idle speed
NOTE:
The pulse cycle changes de-
pending on rpm at idle4.0 - 5.0 V
[Engine is running]
Engine speed: 2,000 rpm4.0 - 5.0 V
67
(GR)—Sensor ground
(Knock sensor)—— —
68
(Y/G)—Sensor ground
[Camshaft position sensor
(PHASE) (Bank 2)]—— —
69
(BR/W)68
(Y/G)Camshaft position sensor
(PHASE) (Bank 2)Input[Engine is running]
Warm-up condition
Idle speed
NOTE:
The pulse cycle changes de-
pending on rpm at idle3.0 - 5.0 V
[Engine is running]
Engine speed is 2,000 rpm3.0 - 5.0 V
70
(W/R)64
(B/R)Camshaft position sensor
(PHASE) (Bank 1)Input[Engine is running]
Warm-up condition
Idle speed
NOTE:
The pulse cycle changes de-
pending on rpm at idle3.0 - 5.0 V
[Engine is running]
Engine speed is 2,000 rpm3.0 - 5.0 V Terminal No. Description
ConditionVa l u e
(Approx.)
+-– Signal nameInput/
OutputJMBIA0041GB
JMBIA0042GB
JMBIA0045GB
JMBIA0046GB
JMBIA0045GB
JMBIA0046GB
Page 1829 of 5121
![NISSAN TEANA 2008 Service Manual EC-368
< ECU DIAGNOSIS >[VQ25DE, VQ35DE]
ECM
72
(BR/W)40
(G)Sensor power supply
(Refrigerant pressure sensor)— [Ignition switch: ON] 5 V
75
(Y)11 2
(B)Intake valve timing control so-
lenoid valve (B NISSAN TEANA 2008 Service Manual EC-368
< ECU DIAGNOSIS >[VQ25DE, VQ35DE]
ECM
72
(BR/W)40
(G)Sensor power supply
(Refrigerant pressure sensor)— [Ignition switch: ON] 5 V
75
(Y)11 2
(B)Intake valve timing control so-
lenoid valve (B](/manual-img/5/57391/w960_57391-1828.png)
EC-368
< ECU DIAGNOSIS >[VQ25DE, VQ35DE]
ECM
72
(BR/W)40
(G)Sensor power supply
(Refrigerant pressure sensor)— [Ignition switch: ON] 5 V
75
(Y)11 2
(B)Intake valve timing control so-
lenoid valve (Bank 2)Output[Engine is running]
Warm-up condition
Idle speedBATTERY VOLTAGE
(11 - 14 V)
[Engine is running]
Warm-up condition
Engine speed: 2,000rpm7 - 12 V
76
(R/G)60
(Y/B)Sensor power supply
[Crankshaft position sensor
(POS)]— [Ignition switch: ON] 5 V
77
(W/L)11 2
(B)Power supply for ECM (Back-
up)Input [Ignition switch: OFF]BATTERY VOLTAGE
(11 - 14 V)
78
(R/L)11 2
(B)Intake valve timing control so-
lenoid valve (Bank 1)Output[Engine is running]
Warm-up condition
Idle speedBATTERY VOLTAGE
(11 - 14 V)
[Engine is running]
Warm-up condition
Engine speed: 2,000rpm7 - 12 V
81
(W)84
(B)Accelerator pedal position
sensor 1Input[Ignition switch: ON]
Engine stopped
Accelerator pedal: Fully re-
leased0.5 - 1.0 V
[Ignition switch: ON]
Engine stopped
Accelerator pedal: Fully de-
pressed4.2 - 4.8 V
82
(O)100
(G)Accelerator pedal position
sensor 2Input[Ignition switch: ON]
Engine stopped
Accelerator pedal: Fully re-
leased0.25 - 0.50 V
[Ignition switch: ON]
Engine stopped
Accelerator pedal: Fully de-
pressed2.0 - 2.5 V
83
(BR)84
(B)Sensor power supply
(Accelerator pedal position
sensor 1)— [Ignition switch: ON] 5 V
84
(B)—Sensor ground
(Accelerator pedal position
sensor 1)—— — Terminal No. Description
ConditionVa l u e
(Approx.)
+ -– Signal nameInput/
Output
JMBIA0038GB
JMBIA0038GB
Page 1830 of 5121
![NISSAN TEANA 2008 Service Manual ECM
EC-369
< ECU DIAGNOSIS >[VQ25DE, VQ35DE]
C
D
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G
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EC
N
P O
85
(Y)92
(BR)ASCD steering switch Input[Ignition switch: ON]
ASCD steering switch: OFF4 V
[Ignition switch: ON]
MAIN sw NISSAN TEANA 2008 Service Manual ECM
EC-369
< ECU DIAGNOSIS >[VQ25DE, VQ35DE]
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EC
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85
(Y)92
(BR)ASCD steering switch Input[Ignition switch: ON]
ASCD steering switch: OFF4 V
[Ignition switch: ON]
MAIN sw](/manual-img/5/57391/w960_57391-1829.png)
ECM
EC-369
< ECU DIAGNOSIS >[VQ25DE, VQ35DE]
C
D
E
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EC
N
P O
85
(Y)92
(BR)ASCD steering switch Input[Ignition switch: ON]
ASCD steering switch: OFF4 V
[Ignition switch: ON]
MAIN switch: Pressed0 V
[Ignition switch: ON]
CANCEL switch: Pressed1 V
[Ignition switch: ON]
RESUME/ACCELERATE
switch: Pressed3 V
[Ignition switch: ON]
SET/COAST switch: Pressed2 V
87
(GR)100
(G)Sensor power supply
(Accelerator pedal position
sensor 2)— [Ignition switch: ON] 5 V
88
(O)— Data link connectorInput/
Output——
92
(BR)—Sensor ground
(ASCD steering switch)—— —
93
(BR)11 2
(B)Ignition switch Input[Ignition switch: OFF] 0 V
[Ignition switch: ON]BATTERY VOLTAGE
(11 - 14 V)
94
(GR)11 2
(B)Engine speed output signal Output[Engine is running]
Warm-up condition
Idle speed
NOTE:
The pulse cycle changes de-
pending on rpm at idle1 V
[Engine is running]
Engine speed: 2,000 rpm1 V
97
(P)— CAN communication lineInput/
Output——
98
(L)— CAN communication lineInput/
Output——
100
(G)—Sensor ground
(Accelerator pedal position
sensor 2)—— —
102
(R)11 2
(B)PNP signal Input[Ignition switch: ON]
Selector lever: P or NBATTERY VOLTAGE
(11 - 14 V)
[Ignition switch: ON]
Selector lever: Except above0 V
105
(V)11 2
(B)Power supply for ECM Input [Ignition switch: ON]BATTERY VOLTAGE
(11 - 14 V)
Terminal No. Description
ConditionVa l u e
(Approx.)
+-– Signal nameInput/
Output
JMBIA0076GB
JMBIA0077GB
Page 1831 of 5121
EC-370
< ECU DIAGNOSIS >[VQ25DE, VQ35DE]
ECM
: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)
*1: This may vary depending on internal resistance of the tester.
*2: Before measuring the terminal voltage, confirm that the battery is fully charged. Refer to PG-3, "
How to Handle Battery". 106
(SB)11 2
(B)Stop lamp switch Input[Ignition switch: OFF]
Brake pedal: Fully released0 V
[Ignition switch: OFF]
Brake pedal: Slightly de-
pressedBATTERY VOLTAGE
(11 - 14 V)
107
(B)
108
(B)— ECM ground — — —
11 0
(G)11 2
(B)ASCD brake switch Input[Ignition switch: ON]
Brake pedal: Slightly de-
pressed0 V
[Ignition switch: ON]
Brake pedal: Fully releasedBATTERY VOLTAGE
(11 - 14 V)
111
(B)
11 2
(B)— ECM ground — — — Terminal No. Description
ConditionVa l u e
(Approx.)
+ -– Signal nameInput/
Output
Page 1832 of 5121
ECM
EC-371
< ECU DIAGNOSIS >[VQ25DE, VQ35DE]
C
D
E
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G
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EC
N
P O
Wiring Diagram—ENGINE CONTROL SYSTEM—INFOID:0000000003856869
JCBWM0560GB