2005 NISSAN X-TRAIL check

EC-1224
[YD (WITH EURO-OBD)]
DTC P0580, P0581 ASCD STEERING SWITCH

2. CHECK ASCD STEERING SWITCH CIRCUIT
With CONSULT-II
1. Turn ignition switch ON.
2. Select “MAIN SW”, “RESUME/ACC SW”, “SET SW” and “CANCEL SW” in “DATA MONITOR” mode with
CONSULT-II.
3. Check each item indication under the following conditions.
Without CONSULT-II
1. Turn ignition switch ON.
2. Check voltage between ECM terminal 102 and ground under the
following conditions.
OK or NG
OK >> GO TO 8.
NG >> GO TO 3.
3. CHECK ASCD STEERING SWITCH GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ASCD steering switch (1) harness connector.
3. Disconnect ECM harness connector.
4. Check harness continuity between ASCD steering switch termi-
nal 2 and ECM terminal 103. Refer to Wiring Diagram.
5. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 5.
NG >> GO TO 4.
Switch Monitor item Condition Indication
MAIN MAIN SWPressed ON
Released OFF
CANCEL CANCEL SWPressed ON
Released OFF
RESUME/ACCEL-
ERATERESUME/ACC SWPressed ON
Released OFF
SET/COAST SET SWPressed ON
Released OFF
SEC006D
Switch Condition Voltage (V)
MAINPressed Approx. 0.3
Released Approx. 4.3
CANCELPressed Approx. 1.3
Released Approx. 4.3
RESUME/ACCELER-
AT EPressed Approx. 3.3
Released Approx. 4.3
SET/COASTPressed Approx. 2.3
Released Approx. 4.3
MBIB0043E
Continuity should exist.
PBIB2879E

DTC P0580, P0581 ASCD STEERING SWITCH
EC-1225
[YD (WITH EURO-OBD)]
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4. DETECT MALFUNCTIONING PART
Check the following.

Harness connectors M206, M202

Combination switch (spiral cable)

Harness for open and short between ECM and ASCD steering switch
>> Repair open circuit or short to ground or short to power in harness or connectors.
5. CHECK ASCD STEERING SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between ECM terminal 102 and ASCD steering switch terminal 1.
Refer to Wiring Diagram.
2. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 7.
NG >> GO TO 6.
6. DETECT MALFUNCTIONING PART
Check the following.

Harness connectors M206, M202

Combination switch (spiral cable)

Harness for open and short between ECM and ASCD steering switch
>> Repair open circuit or short to ground or short to power in harness or connectors.
7. CHECK ASCD STEERING SWITCH
Refer to EC-1225, "
Component Inspection" .
OK or NG
OK >> GO TO 8.
NG >> Replace ASCD steering switch.
8. CHECK INTERMITTENT INCIDENT
Refer to EC-1045, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END
Component InspectionEBS01FA2
ASCD STEERING SWITCH
1. Disconnect ASCD steering switch.
2. Check continuity between ASCD steering switch terminals 1 and
2 with pushing each switch.Continuity should exist.
Switch Condition Resistance (Ω)
MAINPressed Approx. 0
Released Approx. 4,000
CANCELPressed Approx. 250
Released Approx. 4,000
RESUME/ACCELERATEPressed Approx. 1,480
Released Approx. 4,000
PBIB2880E

EC-1234
[YD (WITH EURO-OBD)]
DTC P0628, P0629 FUEL PUMP

Diagnostic ProcedureEBS011C9
1. CHECK ECM OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector and fuel pump harness
connector.
3. Check harness continuity between ECM terminal 10 and fuel
pump terminal 2.
Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 2.
NG >> Repair open circuit or short to ground or short to power
in harness or connectors.
2. CHECK FUEL PUMP GROUND CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between ECM terminal 29 and fuel pump terminal 1.
Refer to Wiring Diagram.
2. 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
Refer to EC-1235, "
Component Inspection" .
OK or NG
OK >> GO TO 5.
NG >> GO TO 4.
4. REPLACE FUEL PUMP
1. Replace fuel pump.
2. Perform Fuel Pump Learning Value Clearing. Refer to EC-994, "
Fuel Pump Learning Value Clearing" .
>>INSPECTION END
5. CHECK INTERMITTENT INCIDENT
Refer to EC-1045, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END Continuity should exist.
PBIB1943E
Continuity should exist.

DTC P0628, P0629 FUEL PUMP
EC-1235
[YD (WITH EURO-OBD)]
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Component InspectionEBS011CA
FUEL PUMP
1. Check continuity between fuel supply pump terminals 1 and 2.
2. If NG, replace fuel pump.
Removal and InstallationEBS011CB
FUEL PUMP
Refer to EM-171, "FUEL PUMP" . Continuity should exist.
SEF807Z

EC-1238
[YD (WITH EURO-OBD)]
DTC P0642, P0643 SENSOR POWER SUPPLY

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.
Diagnostic ProcedureEBS011CI
1. CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Loosen and retighten ground screws on the body. Refer to EC-1055, "
Ground Inspection" .
OK or NG
OK >> GO TO 2.
NG >> Repair or replace ground connections.
TERMI-
NAL
NO.WIRE
COLORITEM CONDITIONDATA
(DC Voltage and Pulse Signal)
82 BAccelerator pedal position
sensor 1 power supply[Ignition switch ON]Approximately 5.3V
PBIB2020E

DTC P0642, P0643 SENSOR POWER SUPPLY
EC-1239
[YD (WITH EURO-OBD)]
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2. CHECK APP SENSOR 1 POWER SUPPLY CIRCUIT
1. Disconnect accelerator pedal position (APP) sensor harness
connector.
2. Turn ignition switch ON.
3. Check voltage between APP sensor terminal 6 and ground with
CONSULT-II or tester.
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 APP SENSOR
Refer to EC-1105, "
Component Inspection" .
OK or NG
OK >> GO TO 4.
NG >> Replace accelerator pedal assembly.
4. CHECK INTERMITTENT INCIDENT
Refer to EC-1045, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END
PBIB1893E
Voltage: Approximately 5.3V
PBIB0914E

EC-1242
[YD (WITH EURO-OBD)]
DTC P0652, P0653 SENSOR POWER SUPPLY

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.
Diagnostic ProcedureEBS011CR
1. CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Loosen and retighten ground screws on the body. Refer to EC-1055, "
Ground Inspection" .
OK or NG
OK >> GO TO 2.
NG >> Repair or replace ground connections.
TERMI-
NAL
NO.WIRE
COLORITEM CONDITIONDATA
(DC Voltage)
44 L/W Crankshaft position sensor power supply[Ignition switch ON]Approximately 5.3V
45 G/OR Camshaft position sensor power supply[Ignition switch ON]Approximately 5.3V
63 W Fuel rail pressure sensor power supply[Ignition switch ON]Approximately 5.3V
64 WTurbocharger boost sensor power sup-
ply[Ignition switch ON]Approximately 5.3V
90 LAccelerator pedal position sensor 2
power supply[Ignition switch ON]Approximately 5.3V
PBIB2020E

DTC P0652, P0653 SENSOR POWER SUPPLY
EC-1243
[YD (WITH EURO-OBD)]
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2. CHECK APP SENSOR 2 POWER SUPPLY CIRCUIT
1. Disconnect accelerator pedal position (APP) sensor harness
connector.
2. Turn ignition switch ON.
3. Check voltage between APP sensor terminal 4 and ground with
CONSULT-II or tester.
OK or NG
OK >> GO TO 5.
NG >> GO TO 3.
3. CHECK SENSOR POWER SUPPLY CIRCUITS
Check the following.

Harness for short to power and short to ground, between the following terminals.

ECM pin terminal.
OK or NG
OK >> GO TO 4.
NG >> Repair short to ground or short to power in harness or connectors.
4. CHECK COMPONENTS
Check the following.

Crankshaft position sensor (Refer to EC-1162, "Component Inspection" .)

Camshaft position sensor (Refer to EC-1174, "Component Inspection" .)

Fuel rail pressure sensor (Refer to E C - 111 5 , "Component Inspection" .)

Turbocharger boost sensor (Refer to EC-1156, "Component Inspection" .)
OK or NG
OK >> GO TO 5.
NG >> Replace malfunctioning component.
PBIB1893E
Voltage: Approximately 5.3V
PBIB0915E
ECM terminal Sensor terminal Reference Wiring Diagram
90 APP sensor terminal 1EC-1101
44 Crankshaft position sensor terminal 1EC-1158
45 Camshaft position sensor terminal 3EC-1170
63 Fuel rail pressure sensor terminal 1E C - 1111
64 Turbocharger boost sensor terminal 1EC-1153