Nissan Primera P11. Manual — part 134
TER-
MINAL
NO.
WIRE
COLOR
ITEM
CONDITION
DATA (DC Voltage)
31
W/G
ECM relay (Self shut-
off)
[Ignition switch “OFF”]
I
For 9 seconds after turning ignition switch
“OFF”
0 - 1V
[Ignition switch “OFF”]
I
9 seconds passed after turning ignition switch
“OFF”
BATTERY VOLTAGE
(11 - 14V)
32
L/OR
Tachometer
[Engine is running]
I
Warm-up condition
I
Idle speed
10 - 11V
SEF973W
[Engine is running]
I
Engine speed is 2,000 rpm
10 - 11V
SEF974W
35
36
37
38
Y/G
PU/G
L/Y
GY/L
Ignition signal (No. 1)
Ignition signal (No. 2)
Ignition signal (No. 3)
Ignition signal (No. 4)
[Engine is running]
I
Warm-up condition
I
Idle speed
0 - 0.3V
SEF971W
[Engine is running]
I
Engine speed is 2,000 rpm
0.2 - 0.4V
SEF972W
41
B/Y
Start signal
[Ignition switch “ON”]
Approximately 0V
[Ignition switch “START”]
9 - 12V
42
G/OR
PNP switch
[Ignition switch “ON”]
I
Gear position is “Neutral position”
Approximately 0V
[Ignition switch “ON”]
I
Except the above gear position
Approximately 5V
43
B/R
Ignition switch
[Ignition switch “OFF”]
0V
[Ignition switch “ON”]
BATTERY VOLTAGE
(11 - 14V)
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
QG16
I
18DE
ECM Terminals and Reference Value (Cont’d)
EC-93
TER-
MINAL
NO.
WIRE
COLOR
ITEM
CONDITION
DATA (DC Voltage)
44
GY
Air conditioner switch
[Engine is running]
I
Both air conditioner switch and blower switch
are “ON” (Compressor operates)
Approximately 0V
[Engine is running]
I
Air conditioner switch is “OFF”
Approximately 5V
46
PU/W
Power steering oil pres-
sure switch
[Engine is running]
I
Steering wheel is fully turned
Approximately 0V
[Engine is running]
I
Steering wheel is not turned
Approximately 5V
48
B
ECM ground
[Engine is running]
I
Idle speed
Engine ground
50
R
Electrical load signal
(Headlamp
Rear defogger)
[Engine is running]
I
Headlamp switch or rear defogger switch is
“ON”
BATTERY VOLTAGE
(11 - 14V)
[Engine is running]
I
Headlamp switch and rear defogger switch are
“OFF”
Approximately 0V
51
LG/B
Blower fan SW
[Ignition switch “ON”]
I
Blower fan switch is “ON”
Approximately 0V
57
B
ECM ground
[Engine is running]
I
Idle speed
Engine ground
58
B
Sensors’ ground
[Engine is running]
I
Warm-up condition
I
Idle speed
Approximately 0V
61
B
Mass air flow sensor
[Engine is running]
I
Warm-up condition
I
Idle speed
1.0 - 1.7V
[Engine is running]
I
Warm-up condition
I
Engine speed is 2,500 rpm
1.5 - 2.1V
62
R
Heated oxygen sensor
1 (front)
[Engine is running]
I
Warm-up condition
I
Engine speed is 2,000 rpm
0 - Approximately 0.7V
SEF008W
63
L
Heated oxygen sensor
2 (rear)
[Engine is running]
I
After warming up to normal operating tempera-
ture and engine speed is 3,000 rpm
0 - Approximately 1.0V
64
G
Intake air temperature
sensor
[Engine is running]
Approximately 0 - 4.8V
Output voltage varies with
intake air temperature
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
QG16
I
18DE
ECM Terminals and Reference Value (Cont’d)
EC-94
TER-
MINAL
NO.
WIRE
COLOR
ITEM
CONDITION
DATA (DC Voltage)
66*
75
W
W
Camshaft position sen-
sor (PHASE)
[Engine is running]
I
Warm-up condition
I
Idle speed
2.0 - 3.0V
SEF977W
[Engine is running]
I
Engine speed is 2,000 rpm
2.0 - 3.0V
SEF978W
67
W/L
Power supply for ECM
(Back-up)
[Ignition switch “OFF”]
BATTERY VOLTAGE
(11 - 14V)
70
BR/Y
Engine coolant tem-
perature sensor
[Engine is running]
Approximately 0 - 4.8V
Output voltage varies with
engine coolant temperature
72*
PU
EGR temperature sen-
sor
[Engine is running]
I
Warm-up condition
I
Idle speed
Less than 4.5V
[Engine is running]
I
Warm-up condition
I
EGR system is operating
0 - 1.0V
73
W
Mass air flow sensor
ground
[Engine is running]
I
Warm-up condition
I
Idle speed
Approximately 0V
74
R/L
Refrigerant pressure
sensor
[Engine is running]
I
Air conditioner switch is “ON”
(Compressor operates)
More than 1.5V
[Engine is running]
I
Air conditioner switch is turned from “ON” to
“OFF”
Voltage is decreasing gradually
81
W
Knock sensor
[Engine is running]
I
Idle speed
1.0 - 4.0V
*: If so equipped
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
QG16
I
18DE
ECM Terminals and Reference Value (Cont’d)
EC-95
TER-
MINAL
NO.
WIRE
COLOR
ITEM
CONDITION
DATA (DC Voltage)
85
W
Crankshaft position sen-
sor (POS)
[Engine is running]
I
Warm-up condition
I
Idle speed
3.0 - 4.0V
SEF979W
[Engine is running]
I
Engine speed is 2,000 rpm
3.0 - 4.0V
SEF980W
86
OR/W
Vehicle speed sensor or
ABS actuator and elec-
tric unit (control unit)
[Engine is running]
I
Lift up the vehicle
I
In 2nd gear position
I
Vehicle speed is 40 km/h (25 MPH)
2.0 - 3.0V
SEF976W
92
Y
Throttle position sensor
[Engine is running]
I
Accelerator pedal released
0.35 - 0.65V
[Ignition switch “ON”]
I
Accelerator pedal fully depressed
3.7 - 4.5V
93
G/R
Data link connector
[Engine is running]
I
Idle speed (CONSULT-II or GST is discon-
nected)
Approximately 0V
101
103
105
107
R/B
Y/B
G/B
L/B
Injector No. 1
Injector No. 2
Injector No. 3
Injector No. 4
[Engine is running]
I
Warm-up condition
I
Idle speed
BATTERY VOLTAGE
(11 - 14V)
SEF011W
[Engine is running]
I
Warm-up condition
I
Engine speed is 2,000 rpm
BATTERY VOLTAGE
(11 - 14V)
SEF012W
106
108
B/Y
ECM ground
[Engine is running]
I
Idle speed
Engine ground
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
QG16
I
18DE
ECM Terminals and Reference Value (Cont’d)
EC-96
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