Nissan Terrano model r20 series 2004. Manual — part 88
TER-
MINAL
NO.
WIRE
COLOR
ITEM
CONDITION
DATA (DC Voltage and Pulse
Signal)
35
R
Mass air flow sensor
Engine is running.
Warm-up condition
Idle speed
1.6 - 2.0V
37
LG/R
A/T signal No. 2
Engine is running.
Warm-up condition
Idle speed
Voltage goes high up once in
a few seconds
SEF448Z
38
B/W
Ignition switch
Ignition switch “OFF”
0V
Ignition switch “ON”
BATTERY VOLTAGE
(11 - 14V)
39
43
B
B
ECM ground
Engine is running.
Idle speed
Approximately 0V
40
R
Electronic control fuel
injection pump
Engine is running.
Warm-up condition
Idle speed
Approximately 2.5V
42
OR
Data link connector
Engine is running.
Idle speed (CONSULT-II is connected and
turned on)
Approximately 0V
64
OR/B
Approximately 0V
65
OR/W
Less than 9V
44
L/G
Crankshaft position sen-
sor (TDC)
Engine is running.
Warm-up condition
Idle speed
Approximately 0V
SEF333Y
Engine is running.
Warm-up condition
Engine speed is 2,000 rpm
Approximately 0V
SEF334Y
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
ZD30DDTi
ECM Terminals and Reference Value (Cont’d)
EC-74
TER-
MINAL
NO.
WIRE
COLOR
ITEM
CONDITION
DATA (DC Voltage and Pulse
Signal)
46
G
Charge air pressure sen-
sor
Engine is running.
Warm-up condition
Idle speed
Approximately 2.0V
47
L/R
Crankshaft position sen-
sor (TDC) ground
Engine is running.
Warm-up condition
Idle speed
Approximately 0V
48
R/B
Accelerator position sen-
sor power supply
Ignition switch “ON”
Approximately 5V
49
W
Sensor’s power supply
Ignition switch “ON”
Approximately 5V
50
B
Sensors’ ground
Engine is running.
Warm-up condition
Idle speed
Approximately 0V
51
B/W
Accelerator position sen-
sor ground
Engine is running.
Warm-up condition
Idle speed
Approximately 0V
52
Y
Electronic control fuel
injection pump
Engine is running.
Idle speed
Approximately 0.1V
53
OR
Electronic control fuel
injection pump
Engine is running.
Idle speed
Approximately 1.0V
54
R
Swirl control valve con-
trol solenoid valve
Engine is running.
Warm-up condition
At idle speed for more than 1 second
Lift up the vehicle
Gear position is in positions other than “P”
and “Neutral”
Approximately 0.1V
Engine is running.
Idle speed
Lift up the vehicle
Gear position is in “P” or “Neutral”
BATTERY VOLTAGE
(11 - 14V)
56
61
116
B/W
B/W
B/W
Power supply for ECM
Ignition switch “ON”
BATTERY VOLTAGE
(11 - 14V)
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
ZD30DDTi
ECM Terminals and Reference Value (Cont’d)
EC-75
TER-
MINAL
NO.
WIRE
COLOR
ITEM
CONDITION
DATA (DC Voltage and Pulse
Signal)
58
R/B
A/T signal No. 4
Engine is running.
Warm-up condition
Idle speed
Voltage goes high up once in
a few seconds
SEF448Z
59
G
Heat up switch
Ignition switch “ON”
Heat up switch is “ON”
Approximately 0V
Ignition switch “ON”
Heat up switch is “OFF”
BATTERY VOLTAGE
(11 - 14V)
68
Y/G
Accelerator position sen-
sor signal output
Ignition switch “ON”
Accelerator pedal fully released
0.4 - 0.6V
Ignition switch “ON”
Accelerator pedal fully depressed
Approximately 4.5V
101
Y
Variable nozzle turbo-
charger control solenoid
valve
Engine is running.
Warm-up condition
Idle speed
Approximately 6.8V
SEF253Z
Engine is running.
Warm-up condition
Engine speed is 2,000 rpm
Approximately 11V
SEF254Z
102
G/W
Current return
Engine is running.
Idle speed
BATTERY VOLTAGE
(11 - 14V)
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
ZD30DDTi
ECM Terminals and Reference Value (Cont’d)
EC-76
TER-
MINAL
NO.
WIRE
COLOR
ITEM
CONDITION
DATA (DC Voltage and Pulse
Signal)
103
R/Y
(LHD
mod-
els)
L/R
(RHD
mod-
els)
EGR volume control
valve
Engine is running.
Warm-up condition
Idle speed
0.1 - 14V
105
109
115
G/Y
Y/B
R/L
106
112
118
B
B
B
ECM ground
Engine is running.
Idle speed
Approximately 0V
111
LG
Glow relay
Refer to “GLOW CONTROL SYSTEM”, EC-244.
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
ZD30DDTi
ECM Terminals and Reference Value (Cont’d)
EC-77
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