Nissan Titan. Manual - part 192

 

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Nissan Titan. Manual - part 192

 

 

ECM

EC-69

< ECU DIAGNOSIS INFORMATION >

[VK56DE]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

46
60
61
62

L/R
GR/R
O/W
Y/R

Ignition signal No. 7
Ignition signal No. 5
Ignition signal No. 3
Ignition signal No. 1

[Engine is running]
• Warm-up condition
• Idle speed
NOTE:
The pulse cycle changes depending on rpm at 
idle

0 - 0.3V

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

0.1 - 0.6V

47

G

Sensor power supply
(Throttle position sensor)

[Ignition switch: ON]

Approximately 5V

48

SB

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

[Ignition switch: ON]

Approximately 5V

49

R/Y

Sensor power supply
(Refrigerant pressure sensor)

[Ignition switch: ON]

Approximately 5V

50

B

Throttle position sensor 1

[Ignition switch: ON]
• Engine: Stopped
• Selector lever: D
• Accelerator pedal: Fully released

More than 0.36V

[Ignition switch: ON]
• Engine: Stopped
• Selector lever: D
• Accelerator pedal: Fully depressed

Less than 4.75V

51

W

Mass air flow sensor

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

0.9 - 1.3V

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

1.7 - 2.1V

53

L

Intake calue timing contorol 
position sensor (Bank 2)

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

0 - 1.0V

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

0 - 1.0V

TER-

MI-

NAL 

NO.

WIRE 

COLOR

ITEM

CONDITION

DATA (DC Voltage)

SEC986C

SEC987C

PBIB2046E

EC-70

< ECU DIAGNOSIS INFORMATION >

[VK56DE]

ECM

55

R

Heated oxygen sensor 2 
(bank 1)

[Engine is running]
• Revving engine from idle to 3,000 rpm 

quickly after the following conditions are 
met.

- Engine: After warming up
- Keeping the engine speed between 3,500 

and 4,000 rpm for 1 minute and at idle for 1 
minute under no load

0 - Approximately 1.0V

56

W

A/F sensor 1 (bank 1)

[Ignition switch: ON]

Approximately 2.2V

65
79
80
81

G/R
V/W
W/R
W/G

Ignition signal No. 8
Ignition signal No. 6
Ignition signal No. 4
Ignition signal No. 2

[Engine is running]
• Warm-up condition
• Idle speed
NOTE:
The pulse cycle changes depending on rpm at 
idle

0 - 0.3V

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

0.1 - 0.6V

66

R

Sensor ground
(Throttle position sensor)

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

Approximately 0V

67

B

Sensor ground

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

Approximately 0V

68

W/L

Sensor power supply
(PSP sensor)

[Ignition switch: ON]

Approximately 5V

69

W

Throttle position sensor 2

[Ignition switch: ON]
• Engine: Stopped
• Selector lever: D
• Accelerator pedal: Fully released

Less than 4.75V

[Ignition switch: ON]
• Engine: Stopped
• Selector lever: D
• Accelerator pedal: Fully depressed

More than 0.36V

70

B/W

Refrigerant pressure sensor

[Engine is running]
• Warm-up condition
• Both A/C switch and blower fan switch: ON 

(Compressor: Operates.)

1.0 - 4.0V

71

R

Battery current sensor

[Engine is running]
• Battery: Fully charged*
• Idle speed

Approximately 2.6 - 3.5V

TER-

MI-

NAL 

NO.

WIRE 

COLOR

ITEM

CONDITION

DATA (DC Voltage)

SEC986C

SEC987C

ECM

EC-71

< ECU DIAGNOSIS INFORMATION >

[VK56DE]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

72

Y

Intake valve timing control po-
sition sensor (Bank 1)

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

0 -1.0V

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

0 - 1.0V

73

Y/B

Engine coolant temperature 
sensor

[Engine is running]

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

74

L

Heated oxygen sensor 2 
(bank 2)

[Engine is running]
• Revving engine from idle to 3,000 rpm 

quickly after the following conditions are 
met.

- Engine: After warming up
- Keeping the engine speed between 3,500 

and 4,000 rpm for 1 minute and at idle for 1 
minute under no load

0 - Approximately 1.0V

75

L

A/F sensor 1 (bank 2)

[Ignition switch: ON]

Approximately 2.2V

78

B/W

Sensor ground
(Heated oxygen sensor 2)

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

Approximately 0V

82

B/R

Sensor ground
(APP sensor 1)

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

Approximately 0V

83

G/W

Sensor ground
(APP sensor 2)

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

Approximately 0V

86

P

CAN communication line

—

—

90

L

Sensor power supply
(APP sensor 1)

[Ignition switch: ON]

Approximately 5V

91

W/R

Sensor power supply
(APP sensor 2)

[Ignition switch: ON]

Approximately 5V

94

L

CAN communication line

—

—

98

G/R

Accelerator pedal position 
sensor 2

[Ignition switch: ON]
• Engine: Stopped
• Accelerator pedal: Fully released

0.25 - 0.50V

[Ignition switch: ON]
• Engine: Stopped
• Accelerator pedal: Fully depressed

2.0 - 2.5V

TER-

MI-

NAL 

NO.

WIRE 

COLOR

ITEM

CONDITION

DATA (DC Voltage)

PBIB2046E

EC-72

< ECU DIAGNOSIS INFORMATION >

[VK56DE]

ECM

99

G/Y

ASCD steering switch

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

Approximately 4V

[Ignition switch: ON]
• MAIN switch: Pressed

Approximately 0V

[Ignition switch: ON]
• CANCEL switch: Pressed

Approximately 1V

[Ignition switch: ON]
• RESUME/ACCELERATE switch: Pressed

Approximately 3V

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

Approximately 2V

101

R/W

Stop lamp switch

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

Approximately 0V

[Ignition switch: OFF]
• Brake pedal: Slightly depressed

BATTERY VOLTAGE
(11 - 14V)

102

GR/R

PNP signal

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

Approximately 0V

[Ignition switch: ON]
• Except the above gear position

BATTERY VOLTAGE
(11 - 14V)

104

O

Throttle control motor relay

[Ignition switch: OFF]

BATTERY VOLTAGE
(11 - 14V)

[Ignition switch: ON]

0 - 1.0V

106

BR/W

Accelerator pedal position 
sensor 1

[Ignition switch: ON]
• Engine: Stopped
• Accelerator pedal: Fully released

0.5 - 1.0V

[Ignition switch: ON]
• Engine: Stopped
• Accelerator pedal: Fully depressed

4.2 - 4.8V

107

V/R

Fuel tank temperature sensor

[Engine is running]

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

108

BR/W

ASCD brake switch

[Ignition switch: ON]
• Brake pedal: Slightly depressed

Approximately 0V

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

BATTERY VOLTAGE
(11 - 14V)

109

L/W

Ignition switch

[Ignition switch: OFF]

0V

[Ignition switch: ON]

BATTERY VOLTAGE
(11 - 14V)

111

W/B

ECM relay
(Self shut-off)

[Engine is running]
[Ignition switch: OFF]
• For a few seconds after turning ignition 

switch OFF

0 - 1.5V

[Ignition switch: OFF]
• More than a few seconds after turning igni-

tion switch OFF

BATTERY VOLTAGE
(11 - 14V)

113

GR

Fuel pump relay

[Ignition switch: ON]
• For 1 second after turning ignition switch 

ON

[Engine is running]

0 - 1.5V

[Ignition switch: ON]
• More than 1 second after turning ignition 

switch ON

BATTERY VOLTAGE
(11 - 14V)

TER-

MI-

NAL 

NO.

WIRE 

COLOR

ITEM

CONDITION

DATA (DC Voltage)

 

 

 

 

 

 

 

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