Page 2066 of 4555
![NISSAN X-TRAIL 2005 Service Repair Manual EC-1662
[YD (WITHOUT EURO-OBD)]
TC BOOST CONTROL SOLENOID VALVE
2. CHECK TURBOCHARGER BOOST CONTROL SOLENOID VALVE POWER SUPPLY CIRCUIT
1. Disconnect turbocharger boost control solenoid valve harnes NISSAN X-TRAIL 2005 Service Repair Manual EC-1662
[YD (WITHOUT EURO-OBD)]
TC BOOST CONTROL SOLENOID VALVE
2. CHECK TURBOCHARGER BOOST CONTROL SOLENOID VALVE POWER SUPPLY CIRCUIT
1. Disconnect turbocharger boost control solenoid valve harnes](/manual-img/5/57403/w960_57403-2065.png)
EC-1662
[YD (WITHOUT EURO-OBD)]
TC BOOST CONTROL SOLENOID VALVE
2. CHECK TURBOCHARGER BOOST CONTROL SOLENOID VALVE POWER SUPPLY CIRCUIT
1. Disconnect turbocharger boost control solenoid valve harness
connector.
2. Turn ignition switch ON.
3. Check voltage between turbocharger boost control solenoid
valve terminals 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.
Harness connectors F30, M63
Harness for open and short between turbocharger boost control solenoid valve and ECM relay
Harness for open and short between turbocharger boost control solenoid valve and ECM
>> Repair open circuit or short to ground or short to power in harness or connectors.
4. CHECK TURBOCHARGER BOOST CONTROL SOLENOID VALVE OUTPUT SIGNAL CIRCUIT FOR
OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between ECM terminal 6 and turbocharger boost control solenoid valve terminal
2. Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 5.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
5. CHECK TURBOCHARGER BOOST CONTROL SOLENOID VALVE
Refer to EC-1663, "
Component Inspection" .
OK or NG
OK >> GO TO 6.
NG >> Replace turbocharger boost control solenoid valve.
PBIB1897E
Voltage: Battery voltage
PBIB1945E
Continuity should exist.
Page 2069 of 4555
BRAKE SWITCH
EC-1665
[YD (WITHOUT EURO-OBD)]
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EC
Wiring DiagramEBS01FH0
MODELS WITHOUT ASCD
TBWA0580E
Page 2073 of 4555
![NISSAN X-TRAIL 2005 Service Repair Manual BRAKE SWITCH
EC-1669
[YD (WITHOUT EURO-OBD)]
C
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EC
3. CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect stop lamp switch harness connector (1 NISSAN X-TRAIL 2005 Service Repair Manual BRAKE SWITCH
EC-1669
[YD (WITHOUT EURO-OBD)]
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EC
3. CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect stop lamp switch harness connector (1](/manual-img/5/57403/w960_57403-2072.png)
BRAKE SWITCH
EC-1669
[YD (WITHOUT EURO-OBD)]
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3. CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect stop lamp switch harness connector (1).
–ASCD brake switch harness connector (2)
–ASCD clutch switch harness connector (3)
3. Check voltage between stop lamp switch terminal 1 and ground
with CONSULT -II or tester.
OK or NG
OK >> GO TO 5.
NG >> GO TO 4.
4. DETECT MALFUNCTIONING PART
Check the following.
Fuse block (J/B) connector M2
15A fuse
Harness for open or short between stop lamp switch and battery
>> Repair open circuit or short to ground or short to power in harness or connectors.
5. CHECK STOP LAMP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminal 100 and stop lamp switch terminal 2.
Refer to Wiring Diagram.
3. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 6.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
6. CHECK STOP LAMP SWITCH
Refer to EC-1671, "
Component Inspection" .
OK or NG
OK >> GO TO 14.
NG >> Replace stop lamp switch.
PBIB2878E
Voltage: Battery voltage
PBIB0117E
Continuity should exist.
Page 2075 of 4555
![NISSAN X-TRAIL 2005 Service Repair Manual BRAKE SWITCH
EC-1671
[YD (WITHOUT EURO-OBD)]
C
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9. DETECT MALFUNCTIONING PART
Check the following.
Fuse block (J/B) connector M2
10A fuse
Harness for open or short between NISSAN X-TRAIL 2005 Service Repair Manual BRAKE SWITCH
EC-1671
[YD (WITHOUT EURO-OBD)]
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EC
9. DETECT MALFUNCTIONING PART
Check the following.
Fuse block (J/B) connector M2
10A fuse
Harness for open or short between](/manual-img/5/57403/w960_57403-2074.png)
BRAKE SWITCH
EC-1671
[YD (WITHOUT EURO-OBD)]
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EC
9. DETECT MALFUNCTIONING PART
Check the following.
Fuse block (J/B) connector M2
10A fuse
Harness for open or short between ASCD clutch switch and fuse
>> Repair open circuit or short to ground or short to power in harness or connectors.
10. CHECK ASCD BRAKE SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Check harness continuity between ASCD clutch switch terminal 2 and ASCD brake switch terminal 1.
Refer to Wiring Diagram.
3. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 11.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
11 . CHECK ASCD CLUTCH SWITCH
Refer to EC-1671, "
Component Inspection" .
OK or NG
OK >> GO TO 14.
NG >> Replace ASCD clutch switch.
12. CHECK ASCD BRAKE SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between ECM terminal 101 and ASCD brake switch terminal 2.
Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 13.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
13. CHECK ASCD BRAKE SWITCH
Refer to EC-1671, "
Component Inspection" .
OK or NG
OK >> GO TO 14.
NG >> Replace ASCD brake switch.
14. CHECK INTERMITTENT INCIDENT
Refer to EC-1414, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END
Component InspectionEBS01264
ASCD BRAKE SWITCH
1. Turn ignition switch OFF.Continuity should exist.
Continuity should exist.
Page 2078 of 4555
EC-1674
[YD (WITHOUT EURO-OBD)]
PNP SWITCH
Wiring DiagramEBS01268
TBWA0581E
Page 2080 of 4555
![NISSAN X-TRAIL 2005 Service Repair Manual EC-1676
[YD (WITHOUT EURO-OBD)]
PNP SWITCH
2. CHECK PNP SWITCH GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect park/neutral position (PNP) switch harness connec-
tor.
3. NISSAN X-TRAIL 2005 Service Repair Manual EC-1676
[YD (WITHOUT EURO-OBD)]
PNP SWITCH
2. CHECK PNP SWITCH GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect park/neutral position (PNP) switch harness connec-
tor.
3.](/manual-img/5/57403/w960_57403-2079.png)
EC-1676
[YD (WITHOUT EURO-OBD)]
PNP SWITCH
2. CHECK PNP SWITCH GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect park/neutral position (PNP) switch harness connec-
tor.
3. Check harness continuity between PNP switch terminal 2 and
ground.
Refer to Wiring Diagram.
4. Also check harness for short to power.
OK or NG
OK >> GO TO 3.
NG >> Repair open circuit or short to power in harness or con-
nectors.
3. CHECK PNP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminal 110 and PNP switch terminal 1.
Refer to Wiring Diagram.
3. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 5.
NG >> GO TO 4.
4. DETECT MALFUNCTIONING PART
Check the following.
Harness connectors M63, F30
Harness for open or short between PNP switch and ECM
>> Repair open circuit or short to ground or short to power in harness or connectors.
5. CHECK PARK/NEUTRAL POSITION SWITCH
Refer to MT-15, "
POSITION SWITCH" .
OK or NG
OK >> GO TO 6.
NG >> Replace park/neutral position switch.
6. CHECK INTERMITTENT INCIDENT
Refer to EC-1414, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END Continuity should exist.
PBIB1903E
Continuity should exist.
Page 2082 of 4555
EC-1678
[YD (WITHOUT EURO-OBD)]
PSP SWITCH
Wiring DiagramEBS0126D
TBWA0583E
Page 2084 of 4555
![NISSAN X-TRAIL 2005 Service Repair Manual EC-1680
[YD (WITHOUT EURO-OBD)]
PSP SWITCH
2. CHECK POWER STEERING PRESSURE SWITCH GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect power steering pressure switch harness NISSAN X-TRAIL 2005 Service Repair Manual EC-1680
[YD (WITHOUT EURO-OBD)]
PSP SWITCH
2. CHECK POWER STEERING PRESSURE SWITCH GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect power steering pressure switch harness](/manual-img/5/57403/w960_57403-2083.png)
EC-1680
[YD (WITHOUT EURO-OBD)]
PSP SWITCH
2. CHECK POWER STEERING PRESSURE SWITCH GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect power steering pressure switch harness connector.
3. Check harness continuity between power steering pressure
switch terminal 2 and ground. Refer to Wiring Diagram.
4. Also check harness for short to power.
OK or NG
OK >> GO TO 3.
NG >> Repair open circuit or short to power in harness or con-
nectors.
3. CHECK POWER STEERING PRESSURE SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminal 111 and power steering pressure switch terminal 1.
Refer to Wiring Diagram.
3. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 5.
NG >> GO TO 4.
4. DETECT MALFUNCTIONING PART
Check the following.
Harness connectors M63, F30
Harness for open and short between power steering pressure switch and ECM
>> Repair open circuit or short to ground or short to power in harness or connectors.
5. CHECK POWER STEERING PRESSURE SWITCH
Refer to EC-1680, "
Component Inspection" .
OK or NG
OK >> GO TO 6.
NG >> Replace power steering pressure switch.
6. CHECK INTERMITTENT INCIDENT
Refer to EC-1414, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END
Component InspectionEBS0126F
POWER STEERING PRESSURE SWITCH
1. Disconnect power steering pressure switch harness connector and then start engine.Continuity should exist.
PBIB1904E
Continuity should exist.