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