engine NISSAN X-TRAIL 2003 Service Repair Manual

EC-638
[QR (WITHOUT EURO-OBD)]
DTC P0335 CKP SENSOR (POS)

DTC P0335 CKP SENSOR (POS)PFP:23731
Component DescriptionEBS010ZH
The crankshaft position sensor (POS) is located on the cylinder
block rear housing facing the gear teeth (cogs) of the signal plate at
the end of the crankshaft. It detects the fluctuation of the engine rev-
olution.
The sensor consists of a permanent magnet and Hall IC.
When the engine is running to the high and low parts of the teeth
cause the gap with the sensor to change.
The changing gap causes the magnetic field near the sensor to
change.
Due to the changing magnetic field, the voltage from the sensor
changes.
The ECM receives the voltage signal and detects the fluctuation of
the engine revolution.
CONSULT-II Reference Value in Data Monitor ModeEBS010ZI
Specification data are reference values.
On Board Diagnosis LogicEBS010ZJ
DTC Confirmation ProcedureEBS010ZK
NOTE:
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 10.5V with igni-
tion switch ON”.
WITH CONSULT-II
1. Turn ignition switch ON and select “DATA MONITOR” mode with
CONSULT-II.
2. Crank engine for at least 2 seconds and run it for at least 5 sec-
onds at idle speed.
3. If 1st trip DTC is detected, go to EC-642, "
Diagnostic Procedure"
.
PBIB0562E
MONITOR ITEM CONDITION SPECIFICATION
ENG SPEED·

Run engine and compare CONSULT-II value with the tachometer indica-
tion.Almost the same speed as the
tachometer indication.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0335
0335Crankshaft position
sensor (POS) circuit

The crankshaft position sensor (POS) signal is not
detected by the ECM during the first few seconds of
engine cranking.

The proper pulse signal from the crankshaft position
sensor (POS) is not sent to ECM while the engine is
running.

The crankshaft position sensor (POS) signal is not in
the normal pattern during engine running.

Harness or connectors
(The sensor circuit is open or
shorted.)

Crankshaft position sensor (POS)

Signal plate
SEF058Y

DTC P0335 CKP SENSOR (POS)
EC-639
[QR (WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC

WITHOUT CONSULT-II
1. Crank engine for at least 2 seconds and run it for at least 5 seconds at idle speed.
2. Turn ignition switch OFF, wait at least 10 seconds and then turn ON.
3. Perform Diagnostic Test Mode II (Self-diagnostic results) with ECM.
4. If 1st trip DTC is detected, go to EC-642, "
Diagnostic Procedure" .

DTC P0335 CKP SENSOR (POS)
EC-641
[QR (WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC

Specification data are reference values and are measured between each terminal and ground.
Pulse signal is measured by CONSULT-II.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.
: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)TER-
MINAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
14 PU/RCrankshaft position
sensor (POS)[Engine is running]

Warm-up condition

Idle speed
NOTE:
The pulse cycle changes depending on rpm at idleApproximately 3V
[Engine is running]

Engine speed is 2,000 rpmApproximately 3V
30 BSensor ground
(Crankshaft position
sensor)[Engine is running]

Warm-up condition

Idle speedApproximately 0V
PBIB0527E
PBIB0528E

EC-646
[QR (WITHOUT EURO-OBD)]
DTC P0340 CMP SENSOR (PHASE)

DTC P0340 CMP SENSOR (PHASE)PFP:23731
Component DescriptionEBS010ZP
The camshaft position sensor (PHASE) senses the retraction of
intake valve camshaft to identify a particular cylinder. The camshaft
position sensor (PHASE) senses the piston position.
When the crankshaft position sensor (POS) system becomes inoper-
ative, the camshaft position sensor (PHASE) provides various con-
trols of engine parts instead, utilizing timing of cylinder identification
signals.
The sensor consists of a permanent magnet and Hall IC.
When engine is running, the high and low parts of the teeth cause
the gap with the sensor to change.
The changing gap causes the magnetic field near the sensor to
change.
Due to the changing magnetic field, the voltage from the sensor changes.
On Board Diagnosis LogicEBS010ZQ
DTC Confirmation ProcedureEBS010ZR
NOTE:
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 10.5V with igni-
tion switch ON.
WITH CONSULT-II
1. Turn ignition switch ON.
2. Select “DATA MONITOR” mode with CONSULT-II.
3. Crank engine for at least 2 seconds and run it for at least 5 sec-
onds at idle speed.
4. If 1st trip DTC is detected, go to EC-649, "
Diagnostic Procedure"
.
If 1st trip DTC is not detected, go to next step.
5. Maintain engine speed at more than 800 rpm for at least 5 sec-
onds.
6. If 1st trip DTC is detected, go to EC-649, "
Diagnostic Procedure"
.
PBIB0562E
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0340
0340Camshaft position sensor
(PHASE) circuit

The cylinder No. signal is not sent to ECM
for the first few seconds during engine
cranking.

The cylinder No. signal is not set to ECM
during engine running.

The cylinder No. signal is not in the normal
pattern during engine running.

Harness or connectors
(The sensor circuit is open or shorted.)

Camshaft position sensor (PHASE)

Camshaft (Intake)

Starter motor (Refer to SC-21 .)

Starting system circuit (Refer to SC-21 .)

Dead (Weak) battery
SEF058Y

DTC P0340 CMP SENSOR (PHASE)
EC-647
[QR (WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC

WITHOUT CONSULT-II
1. Crank engine for at least 2 seconds and run it for at least 5 seconds at idle speed.
2. Turn ignition switch OFF, wait at least 10 seconds and then turn ON.
3. Perform Diagnostic Test Mode II (Self-diagnostic results) with ECM.
4. If 1st trip DTC is detected, go to EC-649, "
Diagnostic Procedure" .
If 1st trip DTC is not detected, go to next step.
5. Turn ignition switch OFF and wait at least 10 seconds.
6. Start engine and maintain engine speed at more than 800 rpm for at least 5 seconds.
7. Turn ignition switch OFF, wait at least 10 seconds and then turn ON.
8. Perform Diagnostic Test Mode II (Self-diagnostic results) with ECM.
9. If 1st trip DTC is detected, go to EC-649, "
Diagnostic Procedure" .

DTC P0340 CMP SENSOR (PHASE)
EC-649
[QR (WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC

Specification data are reference values and are measured between each terminal and ground.
Pulse signal is measured by CONSULT-II.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.
: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)
Diagnostic ProcedureEBS010ZT
1. CHECK STARTING SYSTEM
Turn ignition switch to START position.
Ye s o r N o
Ye s > > G O T O 2 .
No >> Check starting system. (Refer to SC-21, "
STARTING SYSTEM" .)
TERMI-
NAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
13 L/WCamshaft position
sensor (PHASE)[Engine is running]

Warm-up condition

Idle speed
NOTE:
The pulse cycle changes depending on rpm at idle1.0 - 4.0V
[Engine is running]

Engine speed is 2,000 rpm1.0 - 4.0V
29 BSensor ground
(Camshaft position
sensor)[Engine is running]

Warm-up condition

Idle speedApproximately 0V
PBIB0525E
PBIB0526E
Does the engine turn over?
Does the starter motor operate?

EC-654
[QR (WITHOUT EURO-OBD)]
DTC P0500 VSS

DTC P0500 VSSPFP:32702
DescriptionEBS010ZW
NOTE:
If DTC P0500 is displayed with DTC U1000 or U1001, first perform the trouble diagnosis for DTC U1000,
U1001. Refer to EC-579, "
DTC U1000, U1001 CAN COMMUNICATION LINE" .
The vehicle speed signal is sent to the combination meter from the “ESP/TCS/ABS control unit” (with ESP
models) “ABS actuator and electric unit (control unit)” (without ESP models) through CAN communication line.
The combination meter then sends a signal to the ECM through CAN communication line.
On Board Diagnosis LogicEBS010ZX
DTC Confirmation ProcedureEBS010ZY
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
TESTING CONDITION:
Steps 1 and 2 may be conducted with the drive wheels lifted in the shop or by driving the vehicle. If a
road test is expected to be easier, it is unnecessary to lift the vehicle.
WITH CONSULT-II
1. Start engine.
2. Read “VHCL SPEED SE” in “DATA MONITOR” mode with CONSULT-II. The vehicle speed on CONSULT-
II should exceed 10 km/h (6 MPH) when rotating wheels with suitable gear position.
If NG, go to EC-655, "
Diagnostic Procedure" .
If OK, go to following step.
3. Select “DATA MONITOR” mode with CONSULT-II.
4. Warm engine up to normal operating temperature.
5. Maintain the following conditions for at least 60 consecutive sec-
onds.
6. If 1st trip DTC is detected, go to EC-655, "
Diagnostic Procedure" .
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0500
0500Vehicle speed sensorThe almost 0 km/h (0 MPH) signal from
vehicle speed sensor is sent to ECM
even when vehicle is being driven.

Harness or connectors
(The CAN communication line is open or
shorted.)

ESP/TCS/ABS control unit (with ESP models)

ABS actuator and electric unit (control unit)
(without ESP models)

Wheel sensor

Combination meter
ENG SPEEDM/T: 2,000 - 6,000 rpm
A/T: 1,750 - 6,000 rpm
COOLAN TEMP/S More than 70°C (158°F)
B/FUEL SCHDL QR20DE 4.9 - 31.8 msec
QR25DEM/T: 5.0 - 31.8 msec
A/T: 6.0 - 31.8 msec
Selector lever Suitable position
PW/ST SIGNAL OFF
SEF196Y

DTC P0500 VSS
EC-655
[QR (WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC

Overall Function CheckEBS010ZZ
Use this procedure to check the overall function of the vehicle speed signal circuit. During this check, a 1st trip
DTC might not be confirmed.
WITHOUT CONSULT-II
1. Lift up drive wheels.
2. Start engine.
3. Read vehicle speed with combination meter.
The vehicle speed indication should be able to exceed 10 km/h (6 MPH) when rotating wheels with suit-
able gear position.
4. If NG, go to EC-655, "
Diagnostic Procedure" .
Diagnostic ProcedureEBS01100
1. CHECK DTC WITH “ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)” (WITHOUT ESP
MODELS) OR “ESP/TCS/ABS CONTROL UNIT” (WITH ESP MODELS)
Refer to BRC-11, "
TROUBLE DIAGNOSIS" (Models without ESP) or BRC-58, "TROUBLE DIAGNOSIS"
(Models with ESP).
OK or NG
OK >> GO TO 2.
NG >> Repair or replace.
2. CHECK COMBINATION METER
Check combination meter function.
Refer to DI-4, "
COMBINATION METERS" .
>>INSPECTION END

EC-656
[QR (WITHOUT EURO-OBD)]
DTC P0550 PSP SENSOR

DTC P0550 PSP SENSORPFP:49763
Component DescriptionEBS01101
Power steering pressure (PSP) sensor is installed to the power
steering high-pressure tube and detects a power steering load. This
sensor is a potentiometer which transforms the power steering load
into output voltage, and emits the voltage signal to the ECM. The
ECM controls the electric throttle control actuator and adjusts the
throttle valve opening angle to increase the engine speed and
adjusts the idle speed for the increased load.
CONSULT-II Reference Value in Data Monitor ModeEBS01102
Specification data are reference values.
On Board Diagnosis LogicEBS01103
The MI will not light up for this self-diagnosis.
NOTE:
If DTC P0550 is displayed with DTC P1229, first perform the trouble diagnosis for DTC P1229. Refer to
EC-656
.
DTC Confirmation ProcedureEBS01104
NOTE:
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
WITH CONSULT-II
1. Turn ignition switch ON.
2. Select “DATA MONITOR” mode with CONSULT-II.
3. Start engine and let it idle for at least 5 seconds.
4. If 1st trip DTC is detected, go to EC-658, "
Diagnostic Procedure"
.
WITHOUT CONSULT-II
1. Start engine and let it idle for at least 5 seconds.
2. Turn ignition switch OFF, wait at least 10 seconds and then turn ON.
3. Perform Diagnostic Test Mode II (Self-diagnostic results) with ECM.
4. If 1st trip DTC is detected, go to EC-658, "
Diagnostic Procedure" .
PBIB0502E
MONITOR ITEM CONDITION SPECIFICATION
PW/ST SIGNAL

Engine: After warming up, idle
the engineSteering wheel is in neutral position.
(Forward direction)OFF
Steering wheel is turned. ON
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0550
0550Power steering pressure
sensor circuitAn excessively low or high voltage from the
sensor is sent to ECM.

Harness or connectors
(The sensor circuit is open or shorted.)

Power steering pressure sensor
SEF058Y

EC-658
[QR (WITHOUT EURO-OBD)]
DTC P0550 PSP SENSOR

Specification 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 result in dam-
age to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.
Diagnostic ProcedureEBS01106
1. CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Loosen and retighten ground three screws on the body.
Refer to EC-578, "
Ground Inspection" .
OK or NG
OK >> GO TO 2.
NG >> Repair or replace ground connections.
TER-
MINAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
12 PPower steering pressure
sensor[Engine is running]

Steering wheel is being turned0.5 - 4.0V
[Engine is running]

Steering wheel is not being turned0.4 - 0.8V
57 BSensor ground
(Intake air temperature
sensor/Power steering
pressure sensor/Refrig-
erant pressure sensor)[Engine is running]

Warm-up condition

Idle speedApproximately 0V
65 RSensor power supply
(Power steering pres-
sure sensor)[Ignition switch: ON]Approximately 5V
PBIB2021E