2003 NISSAN X-TRAIL engine

DTC P0237, P0238 TC BOOST SENSOR
EC-1345
[YD (WITHOUT EURO-OBD)]
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DTC P0237, P0238 TC BOOST SENSORPFP:22365
Component DescriptionEBS0120U
The turbocharger boost sensor detects pressure in the exit side of
the charge air cooler. The sensor output voltage to the ECM
increases as pressure increases.
CONSULT-II Reference Value in Data Monitor ModeEBS0120V
Specification data are reference values.
ECM Terminals and Reference ValueEBS0120W
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 damage the
ECM's transistor. Use a ground other than ECM terminals, such as the ground.
MBIB0614E
MBIB0899E
MONITOR ITEM CONDITION SPECIFICATION
INT/M PRES SE [kPa]

Engine: After warming up

Air conditioner switch: OFF

Shift lever: Neutral position

No-loadIdle Approx. 100 kPa
2,800 rpm Approx. 126 kPa
4,000 rpm Approx. 106 kPa
TERMI-
NAL
NO.WIRE
COLORITEM CONDITIONDATA
(DC Voltage)
52 Y Turbocharger boost sensor[Engine is running]

Warm-up condition

Idle speed2.3 - 2.6V
[Engine is running]

Warm-up condition

Engine speed is 2,000 rpm2.5 - 2.8V
64 WTurbocharger boost sensor
power supply[Ignition switch ON]Approximately 5.3V
71 BTurbocharger boost sensor
ground[Ignition switch ON]Approximately 0.3V

EC-1348
[YD (WITHOUT EURO-OBD)]
DTC P0237, P0238 TC BOOST SENSOR

Diagnostic ProcedureEBS01210
1. CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Loosen and retighten engine ground screws. Refer to EC-1267, "
Ground Inspection" .
OK or NG
OK >> GO TO 2.
NG >> Repair or replace ground connections.
PBIB2020E

DTC P0335 CKP SENSOR
EC-1351
[YD (WITHOUT EURO-OBD)]
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DTC P0335 CKP SENSORPFP:23731
DescriptionEBS01213
The crankshaft position sensor monitors engine speed by means of
signals from the sensing plate (with 56 protrusions) installed to the
fly wheel. The datum signal output is detected 6° signal and sent to
the ECM. The sensor signal is used for fuel injection control and fuel
injection timing control.
CONSULT-II Reference Value in Data Monitor ModeEBS01214
Specification data are reference values.
ECM Terminals and Reference ValueEBS01215
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.
: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)
MBIB0619E
MONITOR ITEM CONDITION SPECIFICATION
CKPS-RPM (TDC)

Run engine and compare CONSULT-II value with the tachometer
indication.Almost the same speed as the
tachometer indication
TERMI-
NAL
NO.WIRE
COLORITEM CONDITIONDATA
(DC Voltage and Pulse Signal)
44 L/WCrankshaft position sen-
sor power supply[Ignition switch ON]Approximately 5.3V
46 L Crankshaft position sensor[Engine is running]

Warm-up condition

Idle speed0 - 6V
[Engine is running]

Warm-up condition

Engine speed is 2,000 rpm0 - 6V
65 L/RCrankshaft position sen-
sor ground[Ignition switch ON]Approximately 0.3V
67 —Sensor ground
(Sensors shield circuit)[Ignition switch ON]Approximately 0.3V
MBIB0879E
MBIB0880E

EC-1352
[YD (WITHOUT EURO-OBD)]
DTC P0335 CKP SENSOR

On Board Diagnosis LogicEBS01216
DTC Confirmation ProcedureEBS01217
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.
If engine could not start, keep ignition switch at START position
for 5 seconds.
4. If 1st trip DTC is detected, go to EC-1354, "
Diagnostic Proce-
dure" .
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0335Crankshaft position sen-
sor circuitCrankshaft position sensor signal is not detect
by the ECM when engine is running.

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

Crankshaft position sensor
SEF817Y

EC-1354
[YD (WITHOUT EURO-OBD)]
DTC P0335 CKP SENSOR

Diagnostic ProcedureEBS01219
1. CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Loosen and retighten engine ground screws. Refer to EC-1267, "
Ground Inspection" .
OK or NG
OK >> GO TO 2.
NG >> Repair or replace ground connections.
PBIB2020E

DTC P0336 CKP SENSOR
EC-1357
[YD (WITHOUT EURO-OBD)]
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MA
EC

DTC P0336 CKP SENSORPFP:23731
DescriptionEBS0121C
The crankshaft position sensor monitors engine speed by means of
signals from the sensing plate (with 56 protrusions) installed to the
fly wheel. The datum signal output is detected 6° signal and sent to
the ECM. The sensor signal is used for fuel injection control and fuel
injection timing control.
CONSULT-II Reference Value in Data Monitor ModeEBS0121D
Specification data are reference values.
ECM Terminals and Reference ValueEBS0121E
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.)
MBIB0619E
MONITOR ITEM CONDITION SPECIFICATION
CKPS·RPM (TDC)

Tachometer: Connect

Run engine and compare CONSULT-II value with the tachometer indi-
cation.Almost the same speed as the
tachometer indication.
TERMI-
NAL
NO.WIRE
COLORITEM CONDITIONDATA
(DC Voltage and Pulse Signal)
44 L/WCrankshaft position sen-
sor power supply[Ignition switch ON]Approximately 5.3V
46 L Crankshaft position sensor[Engine is running]

Warm-up condition

Idle speed0 - 6V
[Engine is running]

Warm-up condition

Engine speed is 2,000 rpm0 - 6V
65 L/RCrankshaft position sen-
sor ground[Ignition switch ON]Approximately 0.3V
67 —Sensor ground
(Sensors shield circuit)[Ignition switch ON]Approximately 0.3V
MBIB0879E
MBIB0880E

EC-1358
[YD (WITHOUT EURO-OBD)]
DTC P0336 CKP SENSOR

On Board Diagnosis LogicEBS0121F
DTC Confirmation ProcedureEBS0121G
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.
If engine could not start, keep ignition switch at START position
for 5 seconds.
4. If 1st trip DTC is detected, go to EC-1362, "
Component Inspec-
tion" .
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0336Crankshaft position sen-
sor circuit range/perfor-
manceCrankshaft position sensor signal is not in the
normal pattern when engine is running.

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

Crankshaft position sensor

Signal plate
SEF817Y

EC-1360
[YD (WITHOUT EURO-OBD)]
DTC P0336 CKP SENSOR

Diagnostic ProcedureEBS0121I
1. CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Loosen and retighten engine ground screws. Refer to EC-1267, "
Ground Inspection" .
OK or NG
OK >> GO TO 2.
NG >> Repair or replace ground connections.
PBIB2020E