Nissan Altima L32. Manual - part 600

 

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Nissan Altima L32. Manual - part 600

 

 

ECM

EC-1521

< ECU DIAGNOSIS >

[VQ35DE]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

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

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

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

JMBIA0045GB

JMBIA0046GB

JMBIA0038GB

EC-1522

< ECU DIAGNOSIS >

[VQ35DE]

ECM

78

(R/L)

112

(B)

Intake valve timing control so-
lenoid valve (bank 1)

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

81

(W)

84

(B)

Accelerator pedal position 
sensor 1

Input

[Ignition switch: ON]
• Engine stopped
• Accelerator pedal: Fully re-

leased

0.65 - 0.87 V

[Ignition switch: ON]
• Engine stopped
• Accelerator pedal: Fully de-

pressed

More than 4.3 V

82

(O)

100

(G)

Accelerator pedal position 
sensor 2

Input

[Ignition switch: ON]
• Engine stopped
• Accelerator pedal: Fully re-

leased

0.28 - 0.48 V

[Ignition switch: ON]
• Engine stopped
• Accelerator pedal: Fully de-

pressed

More than 2.0 V

83

(GR)

84

(B)

Sensor power supply
(Accelerator pedal position 
sensor 1)

—

[Ignition switch: ON]

5 V

84

(B)

—

Sensor ground
(Accelerator pedal position 
sensor 1)

—

—

—

85

(G/Y)

92

(R)

ASCD steering switch

Input

[Ignition switch: ON]
• ASCD steering switch: OFF

4 V

[Ignition switch: ON]
• MAIN switch: Pressed

0 V

[Ignition switch: ON]
• CANCEL switch: Pressed

1 V

[Ignition switch: ON]
• RESUME/ACCELERATE 

switch: Pressed

3 V

[Ignition switch: ON]
• SET/COAST switch: Pressed

2 V

86

(SB)

96

(GR)

EVAP control system pres-
sure sensor

Input

[Ignition switch: ON]

1.8 - 4.8 V

87

(BR)

100

(G)

Sensor power supply
(Accelerator pedal position 
sensor 2)

—

[Ignition switch: ON]

5 V

88

(O)

—

Data link connector

Input/

Output

—

—

91

(V)

96

(GR)

Sensor power supply
(EVAP control system pres-
sure sensor)

—

[Ignition switch: ON]

5 V

Terminal No.

Description

Condition

Value

(Approx.)

+

-–

Signal name

Input/

Output

JMBIA0038GB

ECM

EC-1523

< ECU DIAGNOSIS >

[VQ35DE]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

92

(R)

—

Sensor ground
(ASCD steering switch)

—

—

—

93

(Y)

112

(B)

Ignition switch

Input

[Ignition switch: OFF]

0 V

[Ignition switch: ON]

BATTERY VOLTAGE
(11 - 14 V)

94

(V/W)

112

(B)

Engine speed output signal

Output

[Engine is running]
• Warm-up condition
• Idle speed

NOTE:
The pulse cycle changes de-
pending on rpm at idle

1 V

[Engine is running]
• Engine speed: 2,000 rpm

1 V

95

(Y)

104

(P)

Fuel tank temperature sensor

Input

[Engine is running]

0 - 4.8 V
Output voltage varies with fuel tank 
temperature.

96

(GR)

—

Sensor ground
(EVAP control system pres-
sure sensor)

—

—

—

97

(P)

—

CAN communication line

Input/

Output

—

—

98

(L)

—

CAN communication line

Input/

Output

—

—

100

(G)

—

Sensor ground
(Accelerator pedal position 
sensor 2)

—

—

—

102

(R/B)

112

(B)

PNP signal

Input

[Ignition switch: ON]
• Selector lever position: P or N 

(CVT), neutral (M/T)

BATTERY VOLTAGE
(11 - 14 V)

[Ignition switch: ON]
• Selector lever position: Ex-

cept above

0 V

104

(P)

—

Sensor ground
(Fuel tank temperature sen-
sor)

—

—

—

105

(V)

112

(B)

Power supply for ECM

Input

[Ignition switch: ON]

BATTERY VOLTAGE
(11 - 14 V)

106

(SB)

112

(B)

Stop lamp switch

Input

[Ignition switch: OFF]
• Brake pedal: Fully released

0 V

[Ignition switch: OFF]
• Brake pedal: Slightly de-

pressed

BATTERY VOLTAGE
(11 - 14 V)

Terminal No.

Description

Condition

Value

(Approx.)

+

-–

Signal  name

Input/

Output

JMBIA0076GB

JMBIA0077GB

EC-1524

< ECU DIAGNOSIS >

[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"

.

107

(B)

108

(B)

—

ECM ground

—

—

—

109
(W)

112

(B)

EVAP canister vent control 
valve

Output

[Ignition switch: ON]

BATTERY VOLTAGE
(11 - 14 V)

110

(G/W)

112

(B)

ASCD brake switch

Input

[Ignition switch: ON]
• Brake pedal: Slightly de-

pressed

0 V

[Ignition switch: ON]
• Brake pedal: Fully released

BATTERY VOLTAGE
(11 - 14 V)

111

(B)

112

(B)

—

ECM ground

—

—

—

Terminal No.

Description

Condition

Value

(Approx.)

+

-–

Signal name

Input/

Output

 

 

 

 

 

 

 

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