2003 NISSAN X-TRAIL Electronic Repair Manual

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Page 1633 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual DTC P0550 PSP SENSOR
EC-519
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EC
4. If 1st trip DTC is detected, go toEC-521, "Diagnostic Procedure".
WITHOUT CONSULT-II
1. Start engine and let it idle fo

Page 1634 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual EC-520
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DTC P0550 PSP SENSOR
Wiring Diagram
EBS00BIA
TBWA0087E

Page 1635 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual DTC P0550 PSP SENSOR
EC-521
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Diagnostic ProcedureEBS00BIB
1.RETIGHTEN GROUND SCREWS
1. Turn ignition switch “OFF”.
2. Loosen and retighten engine g

Page 1636 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual EC-522
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DTC P0550 PSP SENSOR
4.CHECK PSP SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminal 67

Page 1637 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual DTC P0605 ECM
EC-523
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DTC P0605 ECMPFP:23710
Component DescriptionEBS00BID
The ECM consists of a microcomputer and connectors for signal
input and outp

Page 1638 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual EC-524
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DTC P0605 ECM
PROCEDURE FOR MALFUNCTION B
With CONSULT-II
1. Turn ignition switch “ON” and wait at least 1 second.
2. Select “DATA MONITOR” mode with CONSULT-II.

Page 1639 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual DTC P0605 ECM
EC-525
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Diagnostic ProcedureEBS00BIG
1.INSPECTION START
With CONSULT-II
1. Turn ignition switch “ON”.
2. Select “SELF DIAG RESULTS�

Page 1640 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual EC-526
[QR (WITHOUT EURO-OBD)]
DTC P0650 MI
DTC P0650 MI
PFP:24810
Component DescriptionEBS00BIH
Malfunction Indicator (MI) is located on the instrument panel. When the ignition switch is turned ON wi

EC-526
[QR (WITHOUT EURO-OBD)]
DTC P0650 MI
DTC P0650 MI
PFP:24810
Component DescriptionEBS00BIH
Malfunction Indicator (MI) is located on the instrument panel. When the ignition switch is turned ON without
engine running, MI will light up. This is a bulb check. When the engine is started, MI should go off. If MI
remains on, the on board diagnostic system has detected an engine system malfunction.
On Board Diagnosis LogicEBS00BII
FAIL -S AFE M OD E
ECM enters in fail-safe mode when both DTC P0650 and another DTC, which calls for MI to light up, are
detected at the same time.
DTC Confirmation ProcedureEBS00BIJ
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 wait at least 1 second.
2. Select "DATA MONITOR" mode with CONSULT-II.
3. Start engine and let it idle for 1 second.
4. If DTC is detected, go toEC-528, "
Diagnostic Procedure".
Overall Function CheckEBS00BOZ
Use this procedure to check the overall function of the mass air flow sensor circuit. During this check, a 1st trip
DTC might not be confirmed.
WITHOUT CONSULT-II
1. Turn ignition switch "ON".
2. Check that the MI is illuminated.
3. If NG, go toEC-528, "
Diagnostic Procedure".
IfOK,gotonextstep.
4. Start engine.
5. Check that the MI is not illuminated.
6. If NG, go toEC-528, "
Diagnostic Procedure".
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0650
0650Malfunction indicator
(MI) control circuit
lAn excessively high voltage is sent to ECM
through the MI circuit under the condition
that calls for MI light up.
lAn excessively low voltage is sent to ECM
through the MI circuit under the condition
that calls for MI not to light up.
lHarness or connectors
(MI circuit is open or shorted.)
lMI
Detected items Engine operating condition in fail-safe mode
MI circuit Engine speed will not rise more than 2,500 rpm due to the fuel cut
SEF058Y

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