Nissan Maxima. Manual — part 512
EC-532
< ECU DIAGNOSIS INFORMATION >
[VQ35DE]
ECM
40
(G)
—
Sensor ground
(Refrigerant pressure sensor)
—
—
—
41
(O/B)
48
(B/P)
Power steering pressure sen-
sor
Input
[Engine is running]
• Steering wheel: Being turned
0.5 - 4.5 V
[Engine is running]
• Steering wheel: Not being
turned
0.4 - 0.8 V
42
(BR)
44
(G/B)
Battery current sensor
Input
[Engine is running]
• Battery: Fully charged*
2
• Idle speed
2.6 - 3.5 V
44
(G/B)
—
Sensor ground
(Battery current sensor)
—
—
—
45
(P)
49
(L)
A/F sensor 1 (Bank 1)
Input
[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm
2.2 V
Output voltage varies with air fuel
ratio.
46
(Y)
52
(B/R)
Engine coolant temperature
sensor
Input
[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)
112
(B)
A/F sensor 1 (Bank 1)
Input
[Ignition switch: ON]
1.8 V
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
[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm
2.2 V
Output voltage varies with air fuel
ratio.
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
(B/P)
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)
112
(B)
A/F sensor 1 (Bank 2)
Input
[Ignition switch: ON]
1.8 V
Terminal No.
Description
Condition
Value
(Approx.)
+
-–
Signal name
Input/
Output
ECM
EC-533
< ECU DIAGNOSIS INFORMATION >
[VQ35DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
58
(O)
56
(G/B)
Mass air flow sensor
Input
[Engine is running]
• Warm-up condition
• Idle speed
0.9 - 1.2 V
[Engine is running]
• Warm-up condition
• Engine speed: 2,500 rpm
1.6 - 1.9 V
59
(G/W)
64
(B/R)
Sensor power supply
[Camshaft position sensor
(PHASE) (Bank 1)/Exhaust
valve timing control position
sensor (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 speed
2.5 V*
1
62
(W)
67
(GR)
Knock sensor (Bank 2)
Input
[Engine is running]
• Idle speed
2.5 V*
1
63
(R/W)
68
(Y/G)
Sensor power supply
[Camshaft position sensor
(PHASE) (Bank 2)/Exhaust
valve timing control position
sensor (Bank 2)]
—
[Ignition switch: ON]
5 V
64
(B/R)
—
Sensor ground
[Camshaft position sensor
(PHASE) (Bank 1)/Exhaust
valve timing control position
sensor (Bank 1)]
—
—
—
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 idle
4.0 - 5.0 V
[Engine is running]
• Engine speed: 2,000 rpm
4.0 - 5.0 V
Terminal No.
Description
Condition
Value
(Approx.)
+
-–
Signal name
Input/
Output
JMBIA0041GB
JMBIA0042GB
EC-534
< ECU DIAGNOSIS INFORMATION >
[VQ35DE]
ECM
66
(LG/R)
64
(B/R)
Exhaust valve timing control
position sensor (Bank 1)
Input
[Engine is running]
• Warm-up condition
• Idle speed
NOTE:
The pulse cycle changes de-
pending on rpm at idle
4.0 - 5.0 V
[Engine is running]
• Warm-up condition
• Engine speed is 2,000 rpm
4.0 - 5.0 V
67
(GR)
—
Sensor ground
(Knock sensor)
—
—
—
68
(Y/G)
—
Sensor ground
[Camshaft position sensor
(PHASE) (Bank 2)/Exhaust
valve timing control position
sensor (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 idle
3.0 - 5.0 V
[Engine is running]
• Engine speed is 2,000 rpm
3.0 - 5.0 V
Terminal No.
Description
Condition
Value
(Approx.)
+
-–
Signal name
Input/
Output
JMBIA0043GB
JMBIA0044GB
JMBIA0045GB
JMBIA0046GB
ECM
EC-535
< ECU DIAGNOSIS INFORMATION >
[VQ35DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
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 idle
3.0 - 5.0 V
[Engine is running]
• Engine speed is 2,000 rpm
3.0 - 5.0 V
71
(Y/V)
68
(Y/G)
Exhaust valve timing control
position sensor (Bank 2)
Input
[Engine is running]
• Warm-up condition
• Idle speed
NOTE:
The pulse cycle changes de-
pending on rpm at idle
4.0 - 5.0 V
[Engine is running]
• Warm-up condition
• Engine speed is 2,000 rpm
4.0 - 5.0 V
72
(BR/W)
40
(G)
Sensor power supply
(Refrigerant pressure sensor)
—
[Ignition switch: ON]
5 V
75
(Y)
112
(B)
Intake valve timing control so-
lenoid valve (Bank 2)
Output
[Engine is running]
• Warm-up condition
• Idle speed
BATTERY VOLTAGE
(11 - 14 V)
[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm
7 - 12 V
76
(R/G)
60
(Y/B)
Sensor power supply
[Crankshaft position sensor
(POS)]
—
[Ignition switch: ON]
5 V
77
(W/L)
112
(B)
Power supply for ECM (Back-
up)
Input
[Ignition switch: OFF]
BATTERY VOLTAGE
(11 - 14 V)
Terminal No.
Description
Condition
Value
(Approx.)
+
-–
Signal name
Input/
Output
JMBIA0045GB
JMBIA0046GB
JMBIA0043GB
JMBIA0044GB
JMBIA0038GB
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