Nissan Titan. Instruction — 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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