NISSAN PATROL 2004 Electronic Manual PDF

Wiring Diagram
TEC526M
FAST IDLE CONTROL CIRCUITTD42
EC-4036

Circuit Diagram
TEC527M
ENGINE AND EMISSION CONTROL OVERALL SYSTEMZD30DDTi
EC-4037

CONSULT-II Reference Value in Data Monitor
Mode
Remarks:
+Speci®cation data are reference values.
+Speci®cation data are output/input values which are detected or supplied by the ECM at the connector.
* Speci®cation data may not be directly related to their components signals/values/operations.
MONITOR ITEM CONDITION SPECIFICATION
CKPSzRPM (TDC)
+Run engine and compare CONSULT-II value with the tachometer indication.Almost the same speed as the
tachometer indication.
CMPSzRPM-PUMP
COOLAN TEMP/S+Engine: After warming up More than 70ÉC (158ÉF)
VHCL SPEED SE+Turn drive wheels and compare CONSULT-II value with the speedometer indicationAlmost the same speed as the
speedometer indication
FUEL TEMP SEN+Engine: After warming up More than 40ÉC (104ÉF)
ACCEL POS SEN+Ignition switch: ON
(Engine stopped)Accelerator pedal: fully released 0.40 - 0.60V
Accelerator pedal: fully depressed Approx. 4.5V
FULL ACCEL SW+Ignition switch: ON
(Engine stopped)Accelerator pedal: fully depressed ON
Except above OFF
ACCEL SW (FC)+Ignition switch: ON
(Engine stopped)Accelerator pedal: fully released CLOSE
Accelerator pedal: slightly open OPEN
OFF ACCEL SW+Ignition switch: ON
(Engine stopped)Accelerator pedal: fully released ON
Accelerator pedal: slightly open OFF
SPILL/V+Engine: After warming up Approx. 13ÉCA
BATTERY VOLT+Ignition switch: ON (Engine stopped) 11 - 14V
P/N POSI SW+Ignition switch: ONShift lever: Park/Neutral ON
Except above OFF
START SIGNAL+Ignition switch: ON®START®ON OFF®ON®OFF
AIR COND SIG+Engine: After warming up, idle the
engineAir conditioner switch: OFF OFF
Air conditioner switch: ON
(Compressor operates.)ON
BRAKE SW+Ignition switch: ONBrake pedal: depressed ON
Brake pedal: released OFF
IGN SW+Ignition switch: ON®OFF ON®OFF
WARM UP SW+Ignition switch: ONHeat up switch: ON ON
Heat up switch: OFF OFF
MAS AIR/FL SE+Ignition switch: ON (Engine stopped) Approx. 0.4V
+Engine: After warming up
+Air conditioner switch: OFF
+Shift lever: Neutral position
+No-loadIdle 1.5 - 1.9V
Engine is revving from idle to about 4,000
rpm1.5 - 1.9 to Approx. 4.0V (Check for
liner voltage rise in response to
engine being increased to about
4,000 rpm.)
DECELER F/CUT+Engine: After warming up Idle OFF
INJ TIMG C/V+Engine: After warming up, idle the engine. Approx. 50 - 70%
AIR COND RLY+Engine: After warming up, idle the
engineAir conditioner switch: OFF OFF
Air conditioner switch: ON
(Compressor operates.)ON
GLOW RLY+Refer to EC-252 in Service Manual (Publication No. SM9E-Y61CG3).
COOLING FAN+When cooling fan is stopped. OFF
+When cooling fan operates. ON
TROUBLE DIAGNOSIS Ð GENERAL DESCRIPTIONZD30DDTi
EC-4038

MONITOR ITEM CONDITION SPECIFICATION
EGR VOL CON/V+Engine: After warming up
+Air conditioner switch: ªOFFº
+Shift lever: Neutral position
+No-loadAfter 1 minute of idling More than 10 steps
Revving engine from idle to 3,200 rpm 0 step
VNT S/V 1+Engine: After warming up
+Air conditioner switch: ªOFFº
+Shift lever: Neutral position
+No-loadIdle Approx. 56%
2,000 rpm Approx. 20%
BARO SEN+Ignition switch: ONAltitude
Approx.0m(0ft): Approx. 100.62
kPa (1.0062 bar, 1.026 kg/cm
2,
14.59 psi)
Approx. 1,000 m (3,281 ft): Approx.
88.95 kPa (0.8895 bar, 0.907
kg/cm
2, 12.90 psi)
Approx. 1,500 m (4,922 ft): Approx.
83.16 kPa (0.8316 bar, 0.848
kg/cm
2, 12.06 psi)
Approx. 2,000 m (6,562 ft): Approx.
78.36 kPa (0.7836 bar, 0.799
kg/cm
2, 11.36 psi)
SWRL CON S/V 1+Lift up the vehicle
+Engine: After warming up let it idle for
more than 1 second.
+Air conditioner switch: ªOFFº
+No-loadShift lever: Except ªPº and ªNeutralº posi-
tionsON
Shift lever: Neutral position OFF
EXH/GAS REG V*+Vehicle: Stopped
+Engine speed: Below 1,200 rpm
+Engine coolant temperature: Below 87ÉC (189ÉF)
+Heat up switch: ONON
Except aboveOFF
*: This item is applicable for cold area models. On other models, ªOFFº is always displayed.
TROUBLE DIAGNOSIS Ð GENERAL DESCRIPTIONZD30DDTi
CONSULT-II Reference Value in Data Monitor
Mode (Cont'd)
EC-4039

ECM Terminals and Reference Value
ECM INSPECTION TABLE
Remarks: Speci®cation data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so may damage the
ECM's transistor. Use a ground other than ECM terminals, such as the ground.
TER-
MINAL
NO.WIRE
COLORITEM CONDITIONDATA (DC Voltage and Pulse
Signal)
2 R/WIntake air control valve
control solenoid valveEngine is running.
BATTERY VOLTAGE
(11 - 14V)
Ignition switch ªOFFº
For a few seconds after turning ignition
switch ªOFFºApproximately 0.1V
4 B/Y ECM relay (Self-shutoff)Ignition switch ªONº
Ignition switch ªOFFº
For a few seconds after turning ignition
switch ªOFFºApproximately 0.25V
Ignition switch ªOFFº
A few seconds passed after turning ignition
switch ªOFFºBATTERY VOLTAGE
(11 - 14V)
5 Y/B TachometerEngine is running.
Warm-up condition
Idle speedApproximately 5.7V
SEF255Z
Engine is running.
Warm-up condition
Engine speed is 2,000 rpmApproximately 6V
SEF256Z
TROUBLE DIAGNOSIS Ð GENERAL DESCRIPTIONZD30DDTi
EC-4040

TER-
MINAL
NO.WIRE
COLORITEM CONDITIONDATA (DC Voltage and Pulse
Signal)
11 BR/YExhaust gas control
valve control solenoid
valveEngine is running.
Engine speed is below 1,200 rpm
Engine coolant temperature is below 87ÉC
(189ÉF)
Stop the vehicle
Heat up switch is ªONºApproximately 0.1V
Engine is running.
Except the above conditionBATTERY VOLTAGE
(11 - 14V)
14 L Cooling fan relayEngine is running.
Cooling fan is not operatingBATTERY VOLTAGE
(11 - 14V)
Engine is running.
Cooling fan is operatingApproximately 0.1V
15 Y/L Air conditioner relayEngine is running.
Air conditioner switch is ªOFFºBATTERY VOLTAGE
(11 - 14V)
Engine is running.
Both air conditioner switch and blower fan
switch are ªONº
(Compressor is operating)Approximately 0.1V
16 L/W Glow lampIgnition switch ªONº
Glow lamp is ªONºApproximately 1V
Ignition switch ªONº
Glow lamp is ªOFFºBATTERY VOLTAGE
(11 - 14V)
17 G/Y Stop lamp switchIgnition switch ªONº
Brake pedal fully releasedApproximately 0V
Ignition switch ªONº
Brake pedal depressedBATTERY VOLTAGE
(11 - 14V)
18 GMalfunction indicator
lampIgnition switch ªONº
Approximately 1V
Engine is running.
Idle speedBATTERY VOLTAGE
(11 - 14V)
19 LG/REngine coolant tempera-
ture sensorEngine is running.
Approximately 0 - 4.8V
Output voltage varies with
engine coolant temperature
20 R/W Start signalIgnition switch ªONº
Approximately 0V
Ignition switch ªSTARTº
BATTERY VOLTAGE
(11 - 14V)
TROUBLE DIAGNOSIS Ð GENERAL DESCRIPTIONZD30DDTi
ECM Terminals and Reference Value (Cont'd)
EC-4041

TER-
MINAL
NO.WIRE
COLORITEM CONDITIONDATA (DC Voltage and Pulse
Signal)
21 LG/B Air conditioner switchEngine is running.
Air conditioner switch is ªOFFºBATTERY VOLTAGE
(11 - 14V)
Engine is running.
Both air conditioner switch and blower fan
switch are ªONº
(Compressor is operating)Approximately 0.1V
22 P/BPark/Neutral position
switchIgnition switch ªONº
Gear position is ªNeutralº (M/T models)
Gear position is ªPº or ªNº (A/T models)Approximately 0V
Ignition switch ªONº
Except the above gear positionBATTERY VOLTAGE
(11 - 14V)
23 WAccelerator position sen-
sorIgnition switch ªONº
Accelerator pedal fully released0.4 - 0.6V
Ignition switch ªONº
Accelerator pedal fully depressedApproximately 4.5V
24 PU/W A/T signal No. 1Engine is running.
Warm-up condition
Idle speedVoltage goes high up once in
a few seconds
SEF448Z
26 L/OR Vehicle speed sensorEngine is running.
Lift up the vehicle
In 1st gear position
Vehicle speed is 10 km/h (6 MPH)0 - Approximately 4.8V
SEF257Z
Engine is running.
Lift up the vehicle
In 2nd gear position
Vehicle speed is 30 km/h (19 MPH)Approximately 2.2V
SEF258Z
TROUBLE DIAGNOSIS Ð GENERAL DESCRIPTIONZD30DDTi
ECM Terminals and Reference Value (Cont'd)
EC-4042

TER-
MINAL
NO.WIRE
COLORITEM CONDITIONDATA (DC Voltage and Pulse
Signal)
29 R/L Accelerator switch (F/C)Ignition switch ªONº
Accelerator pedal fully releasedBATTERY VOLTAGE
(11 - 14V)
Ignition switch ªONº
Accelerator pedal depressedApproximately 0V
30 P A/T signal No. 3Engine is running.
Warm-up condition
Idle speedApproximately 0V
Engine is running.
Warm-up condition
Engine speed is 2,000 rpmApproximately 7.7V
31 R/LAccelerator position
switch (Idle)Ignition switch ªONº
Accelerator pedal fully releasedBATTERY VOLTAGE
(11 - 14V)
Ignition switch ªONº
Accelerator pedal depressedApproximately 0V
32 W/GAccelerator position
switch (Full)Ignition switch ªONº
Accelerator pedal releasedApproximately 0V
Ignition switch ªONº
Accelerator pedal fully depressedBATTERY VOLTAGE
(11 - 14V)
33 G/YElectronic control fuel
injection pumpEngine is running.
Warm-up condition
Idle speedApproximately 2.5V
35 R Mass air ¯ow sensorIgnition switch ªONº
Approximately 0.4V
Engine is running.
Warm-up condition
Idle speed1.5 - 1.9V
Engine is running.
Warm-up condition
Engine is revving from idle to about 4,000
rpm1.5 - 1.9 to Approximately
4.0V (Check for liner voltage
rise in response to engine
being increased to about
4,000 rpm.)
37 P/B A/T signal No. 2Engine is running.
Warm-up condition
Idle speedVoltage goes high up once in
a few seconds
SEF448Z
TROUBLE DIAGNOSIS Ð GENERAL DESCRIPTIONZD30DDTi
ECM Terminals and Reference Value (Cont'd)
EC-4043

TER-
MINAL
NO.WIRE
COLORITEM CONDITIONDATA (DC Voltage and Pulse
Signal)
38 B/Y Ignition switchIgnition switch ªOFFº
0V
Ignition switch ªONº
BATTERY VOLTAGE
(11 - 14V)
39
43B
BECM groundEngine is running.
Idle speedApproximately 0V
40 R/BElectronic control fuel
injection pumpEngine is running.
Warm-up condition
Idle speedApproximately 2.5V
42 L/G
Data link connectorEngine is running.
Idle speed (CONSULT-II is connected and
turned on)Approximately 0V
64 Y/GApproximately 0V
65 Y/RLess than 9V
44 LCrankshaft position sen-
sor (TDC)Engine is running.
Warm-up condition
Idle speedApproximately 0V
SEF333Y
Engine is running.
Warm-up condition
Engine speed is 2,000 rpmApproximately 0V
SEF334Y
46 LCharge air pressure sen-
sorEngine is running.Warm-up condition
Idle speedApproximately 2.0V
47 B/WCrankshaft position sen-
sor (TDC) groundEngine is running.
Warm-up condition
Idle speedApproximately 0V
48 G/RAccelerator position sen-
sor power supplyIgnition switch ªONº
Approximately 5V
49 W Sensor power supply Ignition switch ªONº
Approximately 5V
50 B Sensor groundEngine is running.
Warm-up condition
Idle speedApproximately 0V
TROUBLE DIAGNOSIS Ð GENERAL DESCRIPTIONZD30DDTi
ECM Terminals and Reference Value (Cont'd)
EC-4044

TER-
MINAL
NO.WIRE
COLORITEM CONDITIONDATA (DC Voltage and Pulse
Signal)
51 L/WAccelerator position sen-
sor groundEngine is running.
Warm-up condition
Idle speedApproximately 0V
52 L/BElectronic control fuel
injection pumpEngine is running.
Idle speedApproximately 0.1V
53 L/RElectronic control fuel
injection pumpEngine is running.
Idle speedApproximately 1.0V
54 L/BSwirl control valve con-
trol solenoid valveEngine is running.
Warm-up condition
At idle speed for more than 1 second
Lift up the vehicle
Gear position is in positions other than ªPº
and ªNeutralºApproximately 0.1V
Engine is running.
Idle speed
Lift up the vehicle
Gear position is in ªPº or ªNeutralºBATTERY VOLTAGE
(11 - 14V)
56
61
11 6W
W
WPower supply for ECM Ignition switch ªONº
BATTERY VOLTAGE
(11 - 14V)
58 L/OR A/T signal No. 4Engine is running.
Warm-up condition
Idle speedVoltage goes high up once in
a few seconds
SEF448Z
59 BR/W Heat up switchIgnition switch ªONºHeat up switch is ªONºApproximately 0V
Ignition switch ªONº
Heat up switch is ªOFFºBATTERY VOLTAGE
(11 - 14V)
68 B/WAccelerator position sen-
sor signal outputIgnition switch ªONº
Accelerator pedal fully released0.4 - 0.6V
Ignition switch ªONº
Accelerator pedal fully depressedApproximately 4.5V
TROUBLE DIAGNOSIS Ð GENERAL DESCRIPTIONZD30DDTi
ECM Terminals and Reference Value (Cont'd)
EC-4045