Nissan Altima HL32 Hybrid. Manual - part 357

 

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Nissan Altima HL32 Hybrid. Manual - part 357

 

 

EC-412

< ECU DIAGNOSIS >

[QR25DE]

ECM

38

Ground

R

Throttle position sensor 2

Input

[Ignition switch: ON]
• Selector lever: D
• Accelerator pedal: Fully re-

leased

Less than 4.75V

[Ignition switch: ON]
• Selector lever: D
• Accelerator pedal: Fully de-

pressed

More than 0.36V

39

Ground

R

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 - 4.0V

40

Ground

G

Sensor ground
(Refrigerant pressure sen-
sor)

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

0V

45

Ground

B/W

A/F sensor 1 (bank 1)

Input

[Ignition switch: ON]

2.2V

46

Ground

Y

Engine coolant temperature 
sensor

Input

[Engine is running]

0 - 4.8V
Output voltage varies with engine 
coolant temperature.

47

Ground

B

Sensor power supply
(Throttle position sensor)

[Ignition switch: ON]

5V

49

Ground

L

A/F sensor 1

Input

[Engine is running]
• Warm-up condition
• Engine speed: 2,500 rpm

1.8V
Output voltage varies with air fuel 
ratio.

50

Ground

L/Y

Intake air temperature sen-
sor

Input

[Engine is running]

0 - 4.8V
Output voltage varies with intake 
air temperature.

52

Ground

LG

Sensor ground
(Engine coolant temperature 
sensor)

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

0V

56

Ground

G/B

Sensor ground
(Mass air flow sensor, Intake 
air temperature sensor)

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

0V

58

Ground

O

Mass air flow sensor

Input

[Engine is running]
• Warm-up condition
• Selector lever: N
• Idle speed

0.9 - 1.2V

[Engine is running]
• Warm-up condition
• Selector lever: P
• Engine speed: 2,500 rpm

1.5 - 1.8V

59

Ground

G/W

Sensor power supply
[Camshaft position sensor 
(PHASE)]

[Ignition switch: ON]

5V

60

Ground

Y/B

Sensor ground
[Crankshaft position sensor 
(POS)]

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

0V

61

Ground

W

Knock sensor

Input

[Engine is running]
• Idle speed

2.5V

64

Ground

B/R

Sensor ground
[Camshaft position sensor 
(PHASE)]

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

0V

Terminal No.

Wire 

color

Description

Condition

Value

(Approx.)

+

-–

Signal name

Input/

Output

ECM

EC-413

< ECU DIAGNOSIS >

[QR25DE]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

65

Ground

W

Crankshaft position sensor 
(POS)

Input

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

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

1.0 - 6.0

[Engine is running]
• Engine speed: 2,500 rpm

1.0 - 6.0

67

Ground

Sensor ground
(Knock sensor)

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

0V

69

Ground

W/R

Camshaft position sensor 
(PHASE)

Input

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

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

1.0 - 6.0

[Engine is running]
• Engine speed is 2,500 rpm

1.0 - 6.0

72

Ground

LG/B

Sensor power supply
(Refrigerant pressure sen-
sor)

[Ignition switch: ON]

5V

73

Ground

BR

CAN communication line

Input/

Output

74

Ground

Y

CAN communication line

Input/

Output

76

Ground

R/G

Sensor power supply
[Crankshaft position sensor 
(POS)]

[Ignition switch: ON]

5V

77

Ground

W/L

Power supply for ECM 
(Back-up)

Input

[Ignition switch: OFF]

BATTERY VOLTAGE
(11 - 14V)

Terminal No.

Wire 

color

Description

Condition

Value

(Approx.)

+

-–

Signal name

Input/

Output

JMBIA0091GB

JMBIA0092GB

JMBIA0093GB

JMBIA0094GB

EC-414

< ECU DIAGNOSIS >

[QR25DE]

ECM

78

Ground

R/L

Intake valve timing control 
solenoid valve

Output

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

7 - 10V

85

Ground

G/Y

ASCD steering switch

Input

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

4V

[Ignition switch: ON]
• MAIN switch: Pressed

0V

[Ignition switch: ON]
• CANCEL switch: Pressed

1V

[Ignition switch: ON]
• RESUME/ACCELERATE 

switch: Pressed

3V

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

Pressed

2V

86

Ground

LG

EVAP control system pres-
sure sensor

Input

[Ignition switch: ON]

1.8 - 4.8V

88

W

Data link connector

Input/

Output

91

Ground

BR/L

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

[Ignition switch: ON]

5V

92

Ground

R

Sensor ground
(ASCD steering switch)

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

0V

93

Ground

L/Y

Ignition switch

Input

[Ignition switch: OFF]

0V

[Ignition switch: ON]

BATTERY VOLTAGE
(11 - 14V)

95

Ground

R/Y

Fuel tank temperature sen-
sor

Input

[Engine is running]

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

96

Ground

V

Sensor ground
(EVAP control system pres-
sure sensor)

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

0V

97

P

CAN communication line

Input/

Output

98

L

CAN communication line

Input/

Output

99

Ground

P

Engine speed signal output

Output

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

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

0 - 14V

Terminal No.

Wire 

color

Description

Condition

Value

(Approx.)

+

-–

Signal name

Input/

Output

JMBIA0095GB

JMCIA0009GB

ECM

EC-415

< ECU DIAGNOSIS >

[QR25DE]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)

103

Ground

L

Engine TDC signal output

Output

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

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

0 - 14V

104

Ground

B/W

Sensor ground
(Fuel tank temperature sen-
sor)

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

0V

105

Ground

R/G

Power supply for ECM

Input

[Ignition switch: ON]

BATTERY VOLTAGE
(11 - 14V)

106

Ground

SB

Stop lamp switch

Input

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

0V

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

pressed

BATTERY VOLTAGE
(11 - 14V)

107
108

Ground

B

ECM ground

[Engine is running]
• Idle speed

Body ground

109

Ground

LG

EVAP canister vent control 
valve

Output

[Ignition switch: ON]

BATTERY VOLTAGE
(11 - 14V)

110

Ground

G/B

ASCD brake switch

Input

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

pressed

0V

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

BATTERY VOLTAGE
(11 - 14V)

111

112

Ground

B

ECM ground

[Engine is running]
• Idle speed

Body ground

Terminal No.

Wire 

color

Description

Condition

Value

(Approx.)

+

-–

Signal name

Input/

Output

JMCIA0008GB

 

 

 

 

 

 

 

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