Page 850 of 4555
EC-446
[QR (WITH EURO-OBD)]
IGNITION SIGNAL
5. CHECK IGNITION COIL POWER SUPPLY CIRCUIT-II
1. Turn ignition switch OFF.
2. Disconnect condenser harness connector.
3. Turn ignition switch ON.
4. Check voltage between condenser terminal 1 and ground with
CONSULT-II or tester.
OK or NG
OK >> GO TO 10.
NG >> GO TO 6.
6. CHECK IGNITION COIL POWER SUPPLY CIRCUIT-III
1. Turn ignition switch OFF.
2. Disconnect ECM relay.
3. Check harness continuity between ECM relay terminal 7 and
condenser terminal 1.
Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 7.
NG >> Repair open circuit or short to ground or short to power
in harness or connectors.
7. CHECK IGNITION COIL POWER SUPPLY CIRCUIT-IV
Check voltage between ECM relay terminal 6 and ground with CON-
SULT-II or tester.
OK or NG
OK >> GO TO 9.
NG >> GO TO 8.
PBIB1969E
Voltage: Battery voltage
PBIB0624E
Continuity should exist.
PBIB1973E
Voltage: Battery voltage
PBIB0625E
Page 851 of 4555
IGNITION SIGNAL
EC-447
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8. DETECT MALFUNCTIONING PART
Check the following.
Harness connectors E61, F38
20A fuse
Harness for open or short between ECM relay and battery
>> Repair or replace harness or connectors.
9. CHECK ECM RELAY
Refer to EC-449, "
Component Inspection" .
OK or NG
OK >> GO TO 17.
NG >> Replace ECM relay.
10. CHECK CONDENSER GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Check harness continuity between condenser terminal 2 and ground.
Refer to Wiring diagram.
3. Also check harness for short to power.
OK or NG
OK >> GO TO 11.
NG >> Repair open circuit or short to power in harness or connector.
11 . CHECK CONDENSER
Refer to EC-449, "
Component Inspection" .
OK or NG
OK >> GO TO 12.
NG >> Replace condenser.Continuity should exist.
Page 852 of 4555
![NISSAN X-TRAIL 2005 Service Repair Manual EC-448
[QR (WITH EURO-OBD)]
IGNITION SIGNAL
12. CHECK IGNITION COIL POWER SUPPLY CIRCUIT-V
1. Turn ignition switch OFF.
2. Reconnect all harness connectors disconnected.
3. Disconnect ignition coil NISSAN X-TRAIL 2005 Service Repair Manual EC-448
[QR (WITH EURO-OBD)]
IGNITION SIGNAL
12. CHECK IGNITION COIL POWER SUPPLY CIRCUIT-V
1. Turn ignition switch OFF.
2. Reconnect all harness connectors disconnected.
3. Disconnect ignition coil](/manual-img/5/57403/w960_57403-851.png)
EC-448
[QR (WITH EURO-OBD)]
IGNITION SIGNAL
12. CHECK IGNITION COIL POWER SUPPLY CIRCUIT-V
1. Turn ignition switch OFF.
2. Reconnect all harness connectors disconnected.
3. Disconnect ignition coil harness connector.
4. Turn ignition switch ON.
5. Check voltage between ignition coil terminal 1 and ground with
CONSULT-II or tester.
OK or NG
OK >> GO TO 14.
NG >> GO TO 13.
13. DETECT MALFUNCTIONING PART
Check harness for open or short between ignition coil and ECM relay.
>> Repair open circuit or short to ground or short to power in harness or connectors.
14. CHECK IGNITION COIL GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Check harness continuity between ignition coil terminal 2 and ground.
Refer to Wiring Diagram.
3. Also check harness for short to power.
OK or NG
OK >> GO TO 15.
NG >> Repair open circuit or short to power in harness or connectors.
15. CHECK IGNITION COIL OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminals 60, 61, 79, 80 and ignition coil terminal 3.
Refer to Wiring Diagram.
3. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 16.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
PBIB1969E
Voltage: Battery voltage
SEF107S
Continuity should exist.
Continuity should exist.
Page 856 of 4555
EC-452
[QR (WITH EURO-OBD)]
INJECTOR CIRCUIT
Wiring DiagramEBS010VD
TBWA0630E
Page 859 of 4555
![NISSAN X-TRAIL 2005 Service Repair Manual INJECTOR CIRCUIT
EC-455
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3. CHECK INJECTOR POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect injector harness connector.
3. Turn ignition NISSAN X-TRAIL 2005 Service Repair Manual INJECTOR CIRCUIT
EC-455
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3. CHECK INJECTOR POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect injector harness connector.
3. Turn ignition](/manual-img/5/57403/w960_57403-858.png)
INJECTOR CIRCUIT
EC-455
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3. CHECK INJECTOR POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect injector harness connector.
3. Turn ignition switch ON.
4. Check voltage between injector 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.
Harness connectors M61, F41
Harness connectors F1, F101
Fuse block (J/B) connector M1
10A fuse
Harness for open or short between injector and fuse
>> Repair open circuit or short to ground or short to power in harness or connectors.
5. CHECK INJECTOR OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between injector terminal 2 and ECM terminals 22, 23, 41, 42.
Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 7.
NG >> GO TO 6.
PBIB1970E
Voltage: Battery voltage
PBIB0582E
Continuity should exist.
Page 863 of 4555
VIAS
EC-459
[QR (WITH EURO-OBD)]
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Wiring DiagramEBS011HW
TBWA0651E
Page 867 of 4555
![NISSAN X-TRAIL 2005 Service Repair Manual VIAS
EC-463
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5. CHECK VACUUM TANK
Refer to EC-464, "
Component Inspection" .
OK or NG
OK >> GO TO 6.
NG >> Replace vacuum tank.
6. CHECK VIAS CONTROL SO NISSAN X-TRAIL 2005 Service Repair Manual VIAS
EC-463
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5. CHECK VACUUM TANK
Refer to EC-464, "
Component Inspection" .
OK or NG
OK >> GO TO 6.
NG >> Replace vacuum tank.
6. CHECK VIAS CONTROL SO](/manual-img/5/57403/w960_57403-866.png)
VIAS
EC-463
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5. CHECK VACUUM TANK
Refer to EC-464, "
Component Inspection" .
OK or NG
OK >> GO TO 6.
NG >> Replace vacuum tank.
6. CHECK VIAS CONTROL SOLENOID VALVE POWER SUPPLY CIRCUIT
1. Disconnect VIAS control solenoid valve harness connector.
2. Turn ignition switch ON.
3. Check voltage between VIAS control solenoid valve terminal 1
and ground with CONSULT-II or tester.
OK or NG
OK >> GO TO 8.
NG >> GO TO 7.
7. DETECT MALFUNCTIONING PART
Check harness for open or short between VIAS control solenoid valve and ECM relay
>> Repair open circuit or short to ground or short to power in harness or connectors.
8. CHECK VIAS 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 VIAS control solenoid valve terminal 2 and ECM terminal 6.
Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 9.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
PBIB0947E
Voltage: Battery voltage
PBIB0173E
Continuity should exist.
Page 871 of 4555
FUEL PUMP CIRCUIT
EC-467
[QR (WITH EURO-OBD)]
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Wiring DiagramEBS010VJ
LHD MODELS
TBWA0632E