light NISSAN NAVARA 2005 Repair Owners Manual

EC-228
DTC P0652, P0653 SENSOR POWER SUPPLY
On Board Diagnosis Logic
EBS01KIZ
The MI will not light up for these self-diagnoses.
DTC Confirmation ProcedureEBS01KJ0
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. Wait at least 5 seconds.
4. If DTC is detected, go toEC-230, "
Diagnostic Procedure".
WITHOUT CONSULT-II
1. Turn ignition switch ON and wait 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 DTC is detected, go toEC-230, "
Diagnostic Procedure".
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0652
0652Sensor power supply cir-
cuit lowECM detects a voltage of power source
forsensorisexcessivelylow.
lHarness or connectors
(APP sensor 2 power supply circuit is shorted.)
(Crankshaft position sensor circuit is shorted.)
(Camshaft position sensor circuit is shorted.)
(Fuel rail pressure sensor circuit is shorted.)
(Refrigerant pressure sensor circuit is shorted.)
(Turbocharger boost sensor circuit is shorted.)
lAccelerator pedal position sensor
(APP sensor 2)
lCrankshaft position sensor
lCamshaft position sensor
lFuel rail pressure sensor
lRefrigerant pressure sensor
lTurbocharger boost sensor P0653
0653Sensor power supply cir-
cuit highECM detects a voltage of power source
for sensor is excessively high.
SEF817Y

EC-232
DTC P0686 ECM RELAY
DTC P0686 ECM RELAY
PFP:25230
ECM Terminals and Reference valveEBS01KJ3
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.
On Board Diagnosis LogicEBS01KJ4
The MI will not light up for this self-diagnosis.
DTC Confirmation ProcedureEBS01KJ5
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 and then turn OFF.
2. Wait at least 30 seconds.
3. Turn ignition switch ON.
4. Select “DATA MONITOR” mode with CONSULT-II.
5. If DTC is detected, go toEC-235, "
Diagnostic Procedure".
WITHOUT CONSULT-II
1. Turn ignition switch ON and then turn OFF.
2. Wait at least 30 seconds.
3. Turn ignition switch ON.
4. Turn ignition switch OFF, wait at least 10 seconds and then turn ON.
TERMI-
NAL
NO.WIRE
COLORITEM CONDITIONDATA
(DC Voltage)
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)
107
108R
RIgnition switch[Ignition switch ON]BATTERY VOLTAGE
(11 - 14V)
11 9
120R
GPower supply for ECM[Ignition switch ON]BATTERY VOLTAGE
(11 - 14V)
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0686
0686ECM relay circuitECM detects ECM relay is stuck closed even if
ignition switch OFF.
lHarness or connectors
(The ECM relay circuit is shorted.)
lECM relay
SEF817Y

EC-238
DTC P1268 - P1271 FUEL INJECTOR
: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)
On Board Diagnosis LogicEBS01KJB
The MI will not light up for these self-diagnoses.
21
22
23
24G
P
W
WFuel injector No. 2
Fuel injector No. 2
Fuel injector No. 3
Fuel injector No. 3[Engine is running]
lWarm-up condition
lIdle speed
NOTE:
The pulse cycle changes depending on rpm
at idleApproximately 7.5V
[Engine is running]
lWarm-up condition
lEngine speed: 2,000 rpmApproximately 8.0V
40
41
42
43W
GR
W
BFuel injector No. 4
Fuel injector No. 4
Fuel injector No. 1
Fuel injector No. 1[Engine is running]
lWarm-up condition
lIdle speed
NOTE:
The pulse cycle changes depending on rpm
at idleApproximately 7.5V
[Engine is running]
lWarm-up condition
lEngine speed: 2,000 rpmApproximately 8.0V TERMI-
NAL
NO.WIRE
COLORITEM CONDITIONDATA
(DC Voltage and Pulse Signal)
MBIB1297E
MBIB1298E
MBIB1297E
MBIB1298E
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1268
1268No. 1 cylinder fuel injectorThe valve built into No. 1 cylinder fuel injector is not
closed properly (stuck open) when the injector is not
energized.
lInjector adjustment value
lFuel injector P1269
1269No. 2 cylinder fuel injectorThe valve built into No. 2 cylinder fuel injector is not
closed properly (stuck open) when the injector is not
energized.
P1270
1270No. 3 cylinder fuel injectorThe valve built into No. 3 cylinder fuel injector is not
closed properly (stuck open) when the injector is not
energized.
P1271
1271No. 4 cylinder fuel injectorThe valve built into No. 4 cylinder fuel injector is not
closed properly (stuck open) when the injector is not
energized.

EC-246
DTC P1272 FUEL PUMP
: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)
On Board Diagnosis LogicEBS01KJK
The MI will not light up for this self-diagnosis.
NOTE:
If DTC P1272 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".
DTC Confirmation ProcedureEBS01KJL
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 keep engine speed more than 4,000 rpm for at
least 5 seconds, then release the accelerator pedal.
4. If DTC is detected, go toEC-249, "
Diagnostic Procedure".
WITHOUT CONSULT-II
1. Start engine and keep engine speed more than 4,000 rpm for at least 5 seconds, then release the acceler-
ator pedal.
29 B Fuel pump[Engine is running]
lWarm-up condition
lIdle speed0.5 - 1.0V
[Engine is running]
lWarm-up condition
lEngine speed: 2,000 rpm0.5 - 1.0V TERMI-
NAL
NO.WIRE
COLORITEM CONDITIONDATA
(DC Voltage and Pulse Signal)
MBIB0887E
MBIB0888E
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1272
1272Fuel rail pressure relief
valve openFuel rail pressure relief valve is open
because of fuel pressure control system
malfunction.
lHarness or connectors
(Fuel pump circuit is open or shorted.)
lFuel pump
lFuel rail pressure sensor
lAir mixed with fuel
lLack of fuel
SEF817Y

EC-252
DTC P1273 FUEL PUMP
: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)
On Board Diagnosis LogicEBS01KJT
The MI will not light up for this self-diagnosis.
NOTE:
If DTC P1273 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".
DTC Confirmation ProcedureEBS01KJU
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. Start engine and warm it up to normal operating temperature.
2. Select “DATA MONITOR” mode with CONSULT-II.
3. Keep engine speed more than 2,000 rpm for at least 10 sec-
onds.
4. If DTC is detected, go toEC-255, "
Diagnostic Procedure".
WITHOUT CONSULT-II
1. Start engine and warm it up to normal operating temperature.
29 B Fuel pump[Engine is running]
lWarm-up condition
lIdle speed0.5 - 1.0V
[Engine is running]
lWarm-up condition
lEngine speed: 2,000 rpm0.5 - 1.0V TERMI-
NAL
NO.WIRE
COLORITEM CONDITIONDATA
(DC Voltage and Pulse Signal)
MBIB0887E
MBIB0888E
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1273
1273Fuel pump insufficient flow ECM detects the abnormal pulse of fuel pressure.
lHarness or connectors
(The fuel pump circuit is open or
shorted.)
lFuel pump
lInjector adjustment value
lAir mixed with fuel
lLack of fuel
lFuel rail pressure sensor
SEF817Y

DTC P1622 INJECTOR ADJUSTMENT VALUE
EC-271
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MA
EC
DTC P1622 INJECTOR ADJUSTMENT VALUEPFP:23710
DescriptionEBS01KKL
Injector adjustment value indicates manufacturing tolerance and the value is printed on the top of fuel injec-
tor.The injector adjustment value which is correctly stored in ECM is needed for precise fuel injection control.
A performance of emission control and a drivability may effect when there is a mismatch between the following
two values.
lThe injector adjustment value stored in ECM
lThe injector adjustment value of the fuel injector which is installed on the vehicle
On Board Diagnosis LogicEBS01KKM
The MI will not light up for this self-diagnosis.
DTC Confirmation ProcedureEBS01KKN
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. Wait at least 5 seconds.
4. If DTC is detected, go toEC-272, "
Diagnostic Procedure".
WITHOUT CONSULT-II
1. Turn ignition switch ON and wait 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 DTC is detected, go toEC-272, "
Diagnostic Procedure".
Example: Injector adjustment value = D021ABCD1A061234000000000000E6
MBIB1251E
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1622
1622Injector adjustment value
data uninputInjector adjustment value is not stored in ECM.
lInjector adjustment value
(Injector adjustment value has not
been written onto ECM memory yet,
or the value has been initialized.)
SEF817Y

DTC P1623 INJECTOR ADJUSTMENT VALUE
EC-273
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EC
DTC P1623 INJECTOR ADJUSTMENT VALUEPFP:23710
DescriptionEBS01KKP
Injector adjustment value indicates manufacturing tolerance and the value is printed on the top of fuel injec-
tor.The injector adjustment value which is correctly stored in ECM is needed for precise fuel injection control.
A performance of emission control and a drivability may effect when there is a mismatch between the following
two values.
lThe injector adjustment value stored in ECM
lThe injector adjustment value of the fuel injector which is installed on the vehicle
On Board Diagnosis LogicEBS01KKQ
The MI will not light up for this self-diagnosis.
NOTE:
This DTC is not detected when injector adjustment value (not correct but existent) is stored in ECM.
DTC Confirmation ProcedureEBS01KKR
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. Wait at least 5 seconds.
4. If DTC is detected, go toEC-274, "
Diagnostic Procedure".
WITHOUT CONSULT-II
1. Turn ignition switch ON and wait 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.
Example: Injector adjustment value = D021ABCD1A061234000000000000E6
MBIB1251E
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1623
1623Injector adjustment value
data errorECM detects the abnormal value of injector
adjustment value.
lCONSULT-II communication status
(The status of CONSULT-II communica-
tion becomes improper during Injector
Adjustment Value Registration.)
lECM
SEF817Y

EC-276
DTC P2135 APP SENSOR
On Board Diagnosis Logic
EBS01KKW
The MI will not light up for this self-diagnosis.
NOTE:
lIf DTC P2135 is displayed with DTC P0642 or P0643, first perform the trouble diagnosis for DTC
P0642 or P0643. Refer toEC-222, "
DTC P0642, P0643 SENSOR POWER SUPPLY".
lIf DTC P2135 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".
DTC Confirmation ProcedureEBS01KKX
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. Wait at least 5 seconds.
4. Depress accelerator pedal slowly spending 5 seconds, and then
release it slowly spending 5 seconds.
5. If DTC is detected, go toEC-278, "
Diagnostic Procedure".
WITHOUT CONSULT-II
1. Turn ignition switch ON and wait at least 5 seconds.
2. Depress accelerator pedal slowly spending 5 seconds, and then release it slowly spending 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-278, "
Diagnostic Procedure".
91 RAccelerator pedal position sen-
sor 2[Ignition switch ON]
lEngine: Stopped
lAccelerator pedal: Fully released0.58 - 0.78V
[Ignition switch ON]
lEngine: Stopped
lAccelerator pedal: Fully depressedMore than 2.3V
92 BAccelerator pedal position sen-
sor 2 ground[Ignition switch ON]Approximately 0.3V TERMI-
NAL
NO.WIRE
COLORITEM CONDITIONDATA
(DC Voltage)
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P2135
2135Accelerator pedal position
sensor 1, 2 signal correla-
tionThe correlation between APP sensor 1 signal
and APP sensor 2 signal is out of the normal
range.
lHarness or connectors
(The APP sensor circuit is open or
shorted.)
lAccelerator pedal position sensor
SEF817Y

DTC P2228, P2229 BARO SENSOR
EC-293
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EC
DTC P2228, P2229 BARO SENSORPFP:23731
DescriptionEBS01KLI
The barometric pressure sensor is built into ECM. The sensor
detects ambient barometric pressure and sends the voltage signal to
the microcomputer.
On Board Diagnosis LogicEBS01KLJ
The MI will not light up for these self-diagnoses.
DTC Confirmation ProcedureEBS01KLK
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. Wait at least 5 seconds.
4. If DTC is detected, go toEC-294, "
Diagnostic Procedure".
WITHOUT CONSULT-II
1. Turn ignition switch ON and wait 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 DTC is detected, go toEC-294, "
Diagnostic Procedure".
MBIB0625E
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P2228
2228Barometric pressure sen-
sor circuit low inputAn excessively low voltage from the barometric
pressure sensor (built-into ECM) is sent to ECM.
lECM
P2229
2228Barometric pressure sen-
sor circuit high inputAn excessively high voltage from the barometric
pressure sensor (built-into ECM) is sent to ECM.
SEF058Y

EC-312
TC BOOST CONTROL SOLENOID VALVE
Diagnostic Procedure
EBS01KM2
1.CHECK OVERALL FUNCTION
1. Start engine and let it idle.
2. Make sure that turbocharger control actuator (1) rod moves
slightly when engine is started.
OK or NG
OK >>INSPECTION END
NG >> GO TO 2.
2.CHECK TURBOCHARGER BOOST CONTROL SOLENOID VALVE POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect turbocharger boost control solenoid valve (1) har-
ness connector.
–: Vehicle front
–Alternator (2)
3. Turn ignition switch ON.
4. Check voltage between turbocharger boost control solenoid
valve terminal 1 and ground with CONSULT-II or tester.
OK or NG
OK >> GO TO 4.
NG >> GO TO 3.
3.DETECT MALFUNCTIONING PART
Check the following.
lHarness connectors E9, F4
lHarness for open or short between ECM and turbocharger boost control solenoid valve
lHarness for open or short between IPDM E/R and turbocharger boost control solenoid valve
>> Repair open circuit or short to ground or short to power in harness or connectors.
MBIB1207E
MBIB1206E
Voltage: Battery voltage
MBIB1242E