2001 NISSAN X-TRAIL Service Repair Manual

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Page 921 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual DTC P0550 PSP SENSOR
EC-571
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Diagnostic ProcedureEBS00NH4
1.RETIGHTEN GROUND SCREWS
1. Turn ignition switch “OFF”.
2. Loosen and retighten engine

Page 922 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual EC-572
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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 6

Page 923 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual DTC P0605 ECM
EC-573
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DTC P0605 ECMPFP:23710
Component DescriptionEBS00NH6
The ECM consists of a microcomputer and connectors for signal
inpu

Page 924 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual EC-574
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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-I

Page 925 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual DTC P0605 ECM
EC-575
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Diagnostic ProcedureEBS00NH9
1.INSPECTION START
With CONSULT-II
1. Turn ignition switch “ON”.
2. Select “SELF DIAG RESULTS

Page 926 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual EC-576
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DTC P0650 MI
DTC P0650 MI
PFP:24810
Component DescriptionEBS00NHA
Malfunction Indicator (MI) is located on the instrument panel. When the ignition switch is tur

EC-576
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DTC P0650 MI
DTC P0650 MI
PFP:24810
Component DescriptionEBS00NHA
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 LogicEBS00NHB
FAIL-SAFE MODE
ECM enters 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 ProcedureEBS00NHC
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 1st trip DTC is detected, go to EC-578, "
Diagnostic Procedure"
.
Overall Function CheckEBS00O2O
Use this procedure to check the overall function of the MI 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 to EC-578, "
Diagnostic Procedure" .
If OK, go to next step.
4. Start engine.
5. Check that the MI is not illuminated.
6. If NG, go to EC-578, "
Diagnostic Procedure" .
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0650
0650Malfunction indicator
(MI) control circuit
●An excessively high voltage is sent to ECM
through the MI circuit under the condition
that calls for MI light up.
●An excessively low voltage is sent to ECM
through the MI circuit under the condition
that calls for MI not to light up.
●Harness or connectors
(MI circuit is open or shorted.)
●MI
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

Page 927 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual DTC P0650 MI
EC-577
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Wiring DiagramEBS00NHD
TBWA0130E

Page 928 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual EC-578
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DTC P0650 MI
Diagnostic Procedure
EBS00NHE
1. CHECK MI POWER SUPPLY
1. Turn ignition switch “OFF”.
2. Disconnect combination meter harness connector.
3. Turn igniti

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