check engine NISSAN NAVARA 2005 Repair Workshop Manual

EC-140
DTC P0217 ENGINE OVER TEMPERATURE
5.CHECK COOLING FAN MOTOR
Refer toEC-141, "
Component Inspection".
OK or NG
OK >> GO TO 6.
NG >> Replace cooling fan motors.
6.CHECK INTERMITTENT INCIDENT
PerformEC-70, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT".
OK or NG
OK >> Replace IPDM E/R. Refer toPG-14, "IPDM E/R (INTELLIGENT POWER DISTRIBUTION MOD-
ULE ENGINE ROOM)".
NG >> Repair or replace harness or connector.
Main 12 Causes of OverheatingEBS01KFQ
*1: Turn the ignition switch ON.
*2: Engine running at 3,000 rpm for 10 minutes.
*3: Drive at 90 km/h (55 MPH) for 30 minutes and then let idle for 10 minutes.
*4: After 60 minutes of cool down time.
For more information, refer toCO-4, "
OVERHEATING CAUSE ANALYSIS". Engine Step Inspection item Equipment Standard Reference page
OFF 1
lBlocked radiator
lBlocked condenser
lBlocked radiator grille
lBlocked bumper
lVisual No blocking —
2
lCoolant mixturelCoolant tester 50 - 50% coolant mixture SeeMA-16, "Engine
Coolant Mixture Ratio".
3
lCoolant levellVisual Coolant up to MAX level
in reservoir tank and radi-
ator filler neckSeeCO-7, "LEVEL
CHECK".
4
lReservoir tank caplPressure tester SeeCO-13, "Checking Reservoir Tank Cap".
ON*
25lCoolant leakslVisual No leaks SeeCO-7, "CHECKING
RADIATOR SYSTEM
FOR LEAKS".
ON*
26lThermostatlTouch the upper and
lower radiator hosesBoth hoses should be hot SeeCO-23, "THERMO-
STAT AND WATER PIP-
ING".
ON*
17lCooling fanlCONSULT-II Operating See trouble diagnosis for
DTC P0217 (EC-132
).
ON*
27lCooling fan (Crankshaft
driven)lVisual OperatingSeeCO-19, "COOLING
FA N".
OFF 8
lCombustion gas leaklColor checker chemical
tester 4 Gas analyzerNegative —
ON*
39lCoolant temperature
gaugelVisual Gauge less than 3/4
when driving—
lCoolant overflow to
reservoir tanklVisual No overflow during driving
and idlingSeeCO-7, "Changing
Engine Coolant".
OFF*
410lCoolant return from
reservoir tank to radia-
torlVisual Should be initial level in
reservoir tankSeeCO-7, "LEVEL
CHECK".
OFF 11
lCylinder headlStraight gauge feeler
gauge0.1 mm (0.004 in) Maxi-
mum distortion (warping)SeeEM-92, "CYLINDER
HEAD".
12
lCylinder block and pis-
tonslVisual No scuffing on cylinder
walls or pistonSeeEM-110, "CYLIN-
DER BLOCK".

DTC P0217 ENGINE OVER TEMPERATURE
EC-141
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Component InspectionEBS01KFR
COOLING FAN MOTOR
1. Disconnect cooling fan motor harness connectors.
2. Supply cooling fan motor terminals with battery voltage and
check operation.
Cooling fan motor should operate.
If NG, replace cooling fan motor.
Cooling fan speedCooling fan motor terminals
(+) (-)
Low (LOW) 1 3
High (HI) 2 3
MBIB1241E

EC-148
DTC P0234 TC SYSTEM
: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)
On Board Diagnosis LogicEBS01KG4
The MI will not light up for this self-diagnosis.
NOTE:
If DTC P0234 is displayed with DTC P0652 or P0653, first perform the trouble diagnosis for DTC P0652
or P0653. Refer toEC-227, "
DTC P0652, P0653 SENSOR POWER SUPPLY".
Overall Function CheckEBS01KG5
Use this procedure to check the overall function of the turbocharger. During this check, a DTC might not be
confirmed.
1. Start engine and let it idle.
2. Make sure that turbocharger control actuator (1) rod moves
slightly when engine is started.
3. If NG, go toEC-150, "
Diagnostic Procedure".
105
11 3BR
BRECM relay (self shut-off)[Ignition switch ON]
[Ignition switch OFF]lFor a few seconds after turning ignition
switch OFFApproximately 1.0V
[Ignition switch OFF]
lMore than a few seconds after turning igni-
tion switch OFFBATTERY VOLTAGE
(11 - 14V)
11 9
120R
GPower supply for ECM[Ignition switch ON]BATTERY VOLTAGE
(11 - 14V) TERMI-
NAL
NO.WIRE
COLORITEM CONDITIONDATA
(DC Voltage and Pulse Signal)
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0234
0234Turbocharger overboost
conditionECM detects turbocharger boost pressure
is excessively high.
lTurbocharger
lVa c u u m p u m p
lTurbocharger boost sensor
lTurbocharger boost control solenoid valve
MBIB1207E

EC-150
DTC P0234 TC SYSTEM
Diagnostic Procedure
EBS01KG7
1.CHECK VACUUM SOURCE
1. Turn ignition switch OFF.
2. Disconnect vacuum hose connected to turbocharger control
actuator (1).
3. Start engine and let it idle.
4. Check vacuum hose for vacuum existence.
OK or NG
OK >> GO TO 8.
NG >> GO TO 2.
2.CHECK VACUUM HOSES AND VACUUM GALLERY
1. Turn ignition switch OFF.
2. Check vacuum hoses and vacuum gallery for clogging, cracks or improper connection.
Refer toEC-16, "
Vacuum Hose Drawing".
OK or NG
OK >> GO TO 3.
NG >> Repair or replace vacuum hoses and vacuum gallery.
3.CHECK TURBOCHARGER BOOST CONTROL SOLENOID VALVE POWER SUPPLY CIRCUIT
1. Disconnect turbocharger boost control solenoid valve (1) har-
ness connector.
–: Vehicle front
–Alternator (2)
2. Turn ignition switch ON.
3. Check voltage between turbocharger boost control solenoid
valve terminal 1 and ground with CONSULT-II or tester.
OK or NG
OK >> GO TO 5.
NG >> GO TO 4.Vacuum should exist.
MBIB1208E
SEF109L
MBIB1206E
Voltage: Battery voltage
MBIB1242E

EC-180
DTC P0341 CMP SENSOR
Diagnostic Procedure
EBS01KHE
1.CHECK STARTING SYSTEM
Turn ignition switch to START position.
Ye s o r N o
Yes >>GOTO2.
No >> Check starting system. (Refer toSC-27, "
STARTING SYSTEM".)
2.CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Loosen and retighten three ground screws on the body.
Refer toEC-78, "
Ground Inspection".
OK or NG
OK >> GO TO 3.
NG >> Repair or replace ground connections.Does the starter motor operate?
Does the engine turn over?
: Vehicle front
1. Body ground E21 2. ECM 3. Body ground E41
4. A/C high-pressure service valve 5. ABS actuator and electric unit
(control unit)6. Body ground E61
MBIB1218E

EC-184
DTC P0501 ASCD VEHICLE SPEED SENSOR
WITHOUT CONSULT-II
TESTING CONDITION:
Step 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.
1. Start engine.
2. Drivethevehicleatmorethan10km/h(6MPH).
3. Turn ignition switch OFF, wait at least 10 seconds and then turn ON.
4. Perform Diagnostic Test Mode II (Self-diagnostic results) with ECM.
5. If DTC is detected, go toEC-184, "
Diagnostic Procedure".
Diagnostic ProcedureEBS01KHK
1.CHECK DTC WITH ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
Refer toBRC-8, "
TROUBLE DIAGNOSIS".
OK or NG
OK >> GO TO 2.
NG >> Repair or replace.
2.CHECK COMBINATION METER
Check combination meter function.
Refer toDI-4, "
COMBINATION METERS".
>>INSPECTION END

EC-186
DTC P0502 ASCD VEHICLE SPEED SENSOR
WITHOUT CONSULT-II
TESTING CONDITION:
Step 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.
1. Start engine and warm it up to normal operating temperature.
2. Maintain the following condition for at least 5 seconds.
3. Turn ignition switch OFF, wait at least 10 seconds and then turn ON.
4. Perform Diagnostic Test Mode II (Self-diagnostic results) with ECM.
5. If DTC is detected, go toEC-188, "
Diagnostic Procedure".
Diagnostic ProcedureEBS01KHO
1.CHECK DTC WITH ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
Refer toBRC-8, "
TROUBLE DIAGNOSIS".
OK or NG
OK >> GO TO 2.
NG >> Repair or replace.
2.CHECK COMBINATION METER
Check combination meter function.
Refer toDI-4, "
COMBINATION METERS".
>>INSPECTION END
Engine speed More than 2,800 rpm
Clutch pedal (M/T) Released
Shift lever 1st position

EC-188
DTC P0503 ASCD VEHICLE SPEED SENSOR
WITHOUT CONSULT-II
TESTING CONDITION:
Step 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.
1. Start engine.
2. Drivethevehicleatmorethan10km/h(6MPH).
3. Turn ignition switch OFF, wait at least 10 seconds and then turn ON.
4. Perform Diagnostic Test Mode II (Self-diagnostic results) with ECM.
5. If DTC is detected, go toEC-188, "
Diagnostic Procedure".
Diagnostic ProcedureEBS01KHS
1.CHECK DTC WITH ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
Refer toBRC-8, "
TROUBLE DIAGNOSIS".
OK or NG
OK >> GO TO 2.
NG >> Repair or replace.
2.CHECK COMBINATION METER
Check combination meter function.
Refer toDI-4, "
COMBINATION METERS".
>>INSPECTION END

DTC P0563 BATTERY VOLTAGE
EC-203
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DTC P0563 BATTERY VOLTAGEPFP:24410
On Board Diagnosis LogicEBS01KI1
The MI will not light up for this self-diagnosis.
DTC Confirmation ProcedureEBS01KI2
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 35 seconds.
4. If DTC is detected, go toEC-203, "
Diagnostic Procedure".
WITHOUT CONSULT-II
1. Start engine and let it idle for at least 35 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 DTC is detected, go toEC-203, "
Diagnostic Procedure".
Diagnostic ProcedureEBS01KI3
1.INSPECTION START
Are jumper cables connected for the jump starting?
Ye s o r N o
Ye s > > G O T O 3 .
No >> GO TO 2.
2.CHECK BATTERY AND ALTERNATOR
Check that the proper type of battery and type of alternator are installed.
Refer to,SC-5, "
BATTERY"andSC-14, "CHARGING SYSTEM".
OK or NG
OK >> GO TO 5.
NG >> Replace with the proper one.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0563
0563Battery voltage highAn excessively high voltage from the battery is
sent to ECM.
lBattery
lBattery terminal
lAlternator
lIncorrect jump starting
SEF817Y

DTC P1272 FUEL PUMP
EC-249
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Diagnostic ProcedureEBS01KJN
1.PERFORM FUEL PUMP LEARNING VALUE CLEARING
NOTE:
If the DTC is detected because of air mixed with fuel (i.e.: caused by lack of fuel), it may become normal by
performing following procedure.
With CONSULT-II
1. Turn ignition switch ON.
2. Perform Fuel Pump Learning Value Clearing. Refer toEC-24, "
Fuel Pump Learning Value Clearing".
3. Start engine and let it idle for at least 60 seconds.
4. Select “SELF-DIAG RESULT” mode with CONSULT-II.
5. Touch “ERASE”.
6. PerformEC-246, "
DTC Confirmation Procedure", again.
7. Is DTC detected again?
Without CONSULT-II
1. Turn ignition switch ON.
2. Perform Fuel Pump Learning Value Clearing. Refer toEC-24, "
Fuel Pump Learning Value Clearing".
3. Start engine and let it idle for at least 60 seconds.
4. Erase the Diagnostic Test Mode II (Self-diagnostic results) memory. Refer toEC-27
.
5. PerformEC-246, "
DTC Confirmation Procedure", again.
6. Is DTC displayed again?
Ye s o r N o
Ye s > > G O T O 2 .
No >>INSPECTION END
2.CHECK FUEL PUMP POWER SUPPLY CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector and fuel pump (2) harness
connector.
–Fuel pump temperature sensor (1)
3. Check harness continuity between ECM terminal 10 and fuel
pump terminal 1.
Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 3.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
3.CHECK FUEL PUMP GROUND CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between ECM terminal 29 and fuel pump terminal 2.
Refer to Wiring Diagram.
2. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 4.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
Continuity should exist.
MBIB1389E
Continuity should exist.