2006 NISSAN PATROL Service Manual

TER-
MINAL
NO.WIRE
COLORITEM CONDITIONDATA
(DC Voltage and Pulse
Signal)
34 W Needle lift sensorEngine is running.
(Warm-up condition)
Idle speedApproximately 0V
SEF718V
Engine is running.(Warm-up condition)
Engine speed is 2,000 rpm.Approximately 0V
SEF719V
35 R Mass air ¯ow sensorEngine is running.(Warm-up condition)
Idle speed1.6 - 2.0V
36 LGCharge air temperature
sensorEngine is running.
Approximately 0 - 4.8V
Output voltage varies with
charge air temperature.
37 P/B A/T signal No. 2Engine is running.
Idle speed6-8V
38 B/Y Ignition switchIgnition switch ``OFF''
0V
Ignition switch ``ON''
BATTERY VOLTAGE
(11 - 14V)
39
43B ECCS groundEngine is running.
Idle speedEngine ground
(Probe this terminal with
@tester probe when
measuring.)
TROUBLE DIAGNOSIS Ð General Description
ECM Terminals and Reference Value (Cont'd)
EC-58

TER-
MINAL
NO.WIRE
COLORITEM CONDITIONDATA
(DC Voltage and Pulse
Signal)
40
44LCrankshaft position sensor
(TDC)Engine is running.
(Warm-up condition)
Idle speedApproximately 0V
SEF720V
Engine is running.(Warm-up condition)
Engine speed is 2,000 rpm.Approximately 0V
SEF721V
41
45WCamshaft position sensor
(PUMP)Engine is running.
(Warm-up condition)
Idle speedApproximately 0V
SEF722V
Engine is running.(Warm-up condition)
Engine speed is 2,000 rpm.Approximately 0V
SEF723V
42 L/G
Data link connector for
CONSULTEngine is running.
Idle speed (CONSULT is connected and
turned on)Approximately 0V
64 Y/GApproximately0-12V
65 Y/RApproximately0-9V
46 Y Adjustment resistor Ignition switch ``ON''
Approximately 0 - 4.6V
(Voltage varies with part
number of adjustment
resistor.)
47
52B/WCrankshaft position sensor
(TDC) groundEngine is running.
(Warm-up condition)
Idle speedApproximately 0V
48 G/RAccelerator position sen-
sor power supplyIgnition switch ``ON''
Approximately 5V
49 G/RSensor's power signal to
TCMIgnition switch ``ON''
Approximately 5V
TROUBLE DIAGNOSIS Ð General Description
ECM Terminals and Reference Value (Cont'd)
EC-59

TER-
MINAL
NO.WIRE
COLORITEM CONDITIONDATA
(DC Voltage and Pulse
Signal)
50 B Sensors' groundEngine is running.
(Warm-up condition)
Idle speedApproximately 0V
51 L/WAccelerator position sen-
sor groundEngine is running.
(Warm-up condition)
Idle speedApproximately 0V
53
57WControl sleeve position
sensor power supplyEngine is running.
Idle speedApproximately 2.6V
SEF724V
56
61W Power supply for ECM Ignition switch ``ON''BATTERY VOLTAGE
(11 - 14V)
59 BR/W Heat up switchIgnition switch ``ON''
Heat up switch is ``OFF''.0V
Ignition switch ``ON''
Heat up switch is ``ON''.BATTERY VOLTAGE
(11 - 14V)
62
66BControl sleeve position
sensor groundEngine is running.
Idle speedApproximately 2.6V
SEF725V
63
67RControl sleeve position
sensorEngine is running.
Idle speedApproximately 2.6V
SEF726V
68 B/WAccelerator position sen-
sor signal to TCMIgnition switch ``ON''Accelerator pedal fully released0.4 - 0.6V
Ignition switch ``ON''
Accelerator pedal fully depressedApproximately 4.3V
70 BR Power supply (Back-up) Ignition switch ``OFF''
BATTERY VOLTAGE
(11 - 14V)
101
107R/B Electric governorEngine is running.
Idle speedBATTERY VOLTAGE
(11 - 14V)
TROUBLE DIAGNOSIS Ð General Description
ECM Terminals and Reference Value (Cont'd)
EC-60

TER-
MINAL
NO.WIRE
COLORITEM CONDITIONDATA
(DC Voltage and Pulse
Signal)
102
108G/Y Electric governor groundEngine is running.
Idle speedApproximately 10V
SEF727V
Engine is running.
Engine speed is 2,000 rpm.Approximately 10V
SEF728V
103 L/Y EGRC-solenoid valve AEngine is running.
(Warm-up condition)
Idle speed0-1V
Engine is running.
(Warm-up condition)
Engine is revving from idle up to 3,750 rpm.BATTERY VOLTAGE
(11 - 14V)
104
11 0L/WInjection timing control
valveEngine is running.
(Warm-up condition)
Idle speedBATTERY VOLTAGE
(11 - 14V)
SEF729V
Engine is running.(Warm-up condition)
Engine speed is 2,000 rpm.BATTERY VOLTAGE
(11 - 14V)
SEF730V
106
11 2
11 8B ECCS groundEngine is running.
Idle speedApproximately 0V
109 BR/Y EGRC-solenoid valve BEngine is running.
(Warm-up condition)
Idle speed0-1V
Engine is running.
(Warm-up condition)
Engine is revving from idle up to 2,600 rpm.BATTERY VOLTAGE
(11 - 14V)
TROUBLE DIAGNOSIS Ð General Description
ECM Terminals and Reference Value (Cont'd)
EC-61

TER-
MINAL
NO.WIRE
COLORITEM CONDITIONDATA
(DC Voltage and Pulse
Signal)
111 LG/B Glow relay Refer to ``Glow Control System'', EC-151.
11 3
11 5R/W Fuel cut solenoid valveIgnition switch ``OFF''
Approximately 0V
Ignition switch ``ON''
BATTERY VOLTAGE
(11 - 14V)
11 6
11 7W Power supply for ECM Ignition switch ``ON''
BATTERY VOLTAGE
(11 - 14V)
TROUBLE DIAGNOSIS Ð General Description
ECM Terminals and Reference Value (Cont'd)
EC-62

Main Power Supply and Ground Circuit
ECM TERMINALS AND REFERENCE VALUE
Remarks: Speci®cation data are reference values and are measured between each terminal andV43(ECCS
ground) with a voltmeter.
TER-
MINAL
NO.WIRE
COLORITEM CONDITIONDATA
(DC Voltage and Pulse
Signal)
4 B/Y ECCS relay (Self-shutoff)Ignition switch ``ON''
Ignition switch ``OFF''
For a few seconds after turning ignition switch
``OFF''0 - 1.5V
Ignition switch ``OFF''
A few seconds passed after turning ignition
switch ``OFF''BATTERY VOLTAGE
(11 - 14V)
38 B/Y Ignition switchIgnition switch ``OFF''
0V
Ignition switch ``ON''
BATTERY VOLTAGE
(11 - 14V)
39
43B ECCS groundEngine is running.
Idle speedEngine ground
(Probe this terminal with
@tester probe when
measuring.)
56
61W Power supply for ECM Ignition switch ``ON''
BATTERY VOLTAGE
(11 - 14V)
70 BR Power supply (Back-up) Ignition switch ``OFF''
BATTERY VOLTAGE
(11 - 14V)
106
11 2
11 8B ECCS groundEngine is running.
Idle speedApproximately 0V
11 6
11 7W Power supply for ECM Ignition switch ``ON''
BATTERY VOLTAGE
(11 - 14V)
TROUBLE DIAGNOSIS FOR POWER SUPPLY
EC-63

TEC421
TROUBLE DIAGNOSIS FOR POWER SUPPLY
Main Power Supply and Ground Circuit
(Cont'd)
EC-64

TEC422
TROUBLE DIAGNOSIS FOR POWER SUPPLY
Main Power Supply and Ground Circuit
(Cont'd)
EC-65