Nissan Frontier D22. Instruction — part 392
TROUBLE DIAGNOSIS
EC-671
[VG33E]
C
D
E
F
G
H
I
J
K
L
M
A
EC
35
G/R
A/T signal No. 3
[Engine is running]
●
Idle speed
Approximately 0 - 1.0V
39
GY/R
Power steering oil pres-
sure switch
[Engine is running]
●
Steering wheel is being turned
Approximately 0V
[Engine is running]
●
Steering wheel is not being turned
Approximately 5V
42
B/W
Sensor power supply
[Ignition switch: ON]
Approximately 5V
43
BR
Sensor ground
[Engine is running]
●
Warm-up condition
●
Idle speed
Approximately 0V
44
PU
Camshaft position sen-
sor (Reference signal)
[Engine is running]
●
Idle speed
NOTE:
The pulse cycle changes depending on rpm at
idle
0.3 - 0.5V
[Engine is running]
●
Engine speed is 2,000 rpm
0.3 - 0.5V
46
G
Fuel level sensor
[Ignition switch: ON]
Approximately 0 - 4.8V
Output voltage varies with fuel
level.
47
L
Crankshaft position
sensor (OBD)
[Engine is running]
●
Warm-up condition
●
Idle speed
NOTE:
The pulse cycle changes depending on rpm at
idle
1 - 2V
(AC range)
[Engine is running]
●
Engine speed is 2,000 rpm
3 - 4V
(AC range)
TER-
MINAL
NO.
WIRE
COLOR
ITEM
CONDITION
DATA (DC Voltage)
SEF997U
SEF998U
SEF690W
SEF691W
EC-672
[VG33E]
TROUBLE DIAGNOSIS
49
LG
Camshaft position sen-
sor (Position signal)
[Engine is running]
●
Warm-up condition
●
Idle speed
NOTE:
The pulse cycle changes depending on rpm at
idle
Approximately 2.5V
[Engine is running]
●
Engine speed is 2,000 rpm
Approximately 2.5V
50
B
Heated oxygen sensor
1 (bank 1)
[Engine is running]
●
Warm-up condition
●
Engine speed is 2,000 rpm
0 - Approximately 1.0V
51
G
Heated oxygen sensor
1 (bank 2)
[Engine is running]
●
Warm-up condition
●
Engine speed is 2,000 rpm
0 - Approximately 1.0V
54
R
Mass air flow sensor
[Engine is running]
●
Warm-up condition
●
Idle speed
1.0 - 1.7V
[Engine is running]
●
Warm-up condition
●
Engine speed is 2,500 rpm
1.7 - 2.3V
55
G
Mass air flow sensor
ground
[Engine is running]
●
Warm-up condition
●
Idle speed
Approximately 0V
56
OR
Heated oxygen sensor
2 (bank 1)
[Engine is running]
●
Warm-up condition
●
Revving engine from idle to 3,000 rpm quickly
after the following conditions are met
–
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
TER-
MINAL
NO.
WIRE
COLOR
ITEM
CONDITION
DATA (DC Voltage)
SEF999U
SEF001V
SEF002V
SEF002V
TROUBLE DIAGNOSIS
EC-673
[VG33E]
C
D
E
F
G
H
I
J
K
L
M
A
EC
57
Y
Heated oxygen sensor
2 (bank 2)
[Engine is running]
●
Warm-up condition
●
Revving engine from idle to 3,000 rpm quickly
after the following conditions are met
–
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
59
LG/R
Engine coolant temper-
ature sensor
[Engine is running]
Approximately 0 - 4.8V
Output voltage varies with engine
coolant temperature
60
Y/B
Fuel tank temperature
sensor
[Engine is running]
Approximately 0 - 4.8V
Output voltage varies with fuel
temperature
61
PU/R
Intake air temperature
sensor
[Engine is running]
Approximately 0 - 4.8V
Output voltage varies with intake
air temperature.
62
Y
EVAP control system
pressure sensor
[Ignition switch: ON]
1.8 - 4.8V
63
G/OR
EGR temperature sen-
sor
[Engine is running]
●
Warm-up condition
●
Idle speed
Less than 4.5V
[Engine is running]
●
Warm-up condition
●
EGR system is operating
0 - 1.5V
64
W
Knock sensor
[Engine is running]
●
Idle speed
Approximately 2.5V
66
B
Fuel level sensor
ground
[Engine is running]
●
Idle speed
Approximately 0V
67
B/P
Power supply for ECM
[Ignition switch: ON]
BATTERY VOLTAGE
(11 - 14V)
68
W/G
A/T signal
[Engine is running]
●
Idle speed
Approximately 0 - 5.0V
69
LG/R
Data link connector
[Engine is running]
●
CONSULT-II or GST is disconnected
6 - 10V
72
B/P
Power supply for ECM
[Ignition switch: ON]
BATTERY VOLTAGE
(11 - 14V)
80
SB
Power supply
(Back-up)
[Ignition switch: OFF]
BATTERY VOLTAGE
(11 - 14V)
TER-
MINAL
NO.
WIRE
COLOR
ITEM
CONDITION
DATA (DC Voltage)
EC-674
[VG33E]
TROUBLE DIAGNOSIS
101
OR/L
IACV-AAC valve
[Engine is running]
●
Warm-up condition
●
Idle speed
NOTE:
The pulse cycle changes depending on rpm at
idle
8 - 11V
[Engine is running]
●
Warm-up condition
●
Engine speed is 3,000 rpm
7 - 10V
102
104
106
109
111
113
W/B
W/R
W/G
W/L
W/PU
W
Injector No. 1
Injector No. 3
Injector No. 5
Injector No. 2
Injector No. 4
Injector No. 6
[Engine is running]
●
Warm-up condition
●
Idle speed
NOTE:
The pulse cycle changes depending on rpm at
idle
BATTERY VOLTAGE
(11 - 14V)
[Engine is running]
●
Warm-up condition
●
Engine speed is 2,000 rpm
BATTERY VOLTAGE
(11 - 14V)
103
G/W
EGRC-solenoid valve
[Engine is running]
●
Warm-up condition
●
Idle speed
BATTERY VOLTAGE
(11 - 14V)
[Engine is running]
●
Warm-up condition
●
Revving engine from idle to 3,000 rpm quickly
0 - 1V
108
R/G
EVAP canister vent
control valve
[Ignition switch: ON]
BATTERY VOLTAGE
(11 - 14V)
116
B/R
ECM ground
[Engine is running]
●
Idle speed
Engine ground
117
B/P
Current return
[Engine is running]
●
Idle speed
BATTERY VOLTAGE
(11 - 14V)
119
BR/Y
Heated oxygen sensor
1 heater (bank 1)
[Engine is running]
●
Engine speed is below 2,800 rpm
Approximately 0.4V
[Engine is running]
●
Engine speed is above 2,800 rpm
BATTERY VOLTAGE
(11 - 14V)
120
P/B
Vacuum cut valve
bypass valve
[Ignition switch: ON]
BATTERY VOLTAGE
(11 - 14V)
TER-
MINAL
NO.
WIRE
COLOR
ITEM
CONDITION
DATA (DC Voltage)
SEF005V
SEF692W
SEF007V
SEF008V
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