Page 618 of 3833
EC-268
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DTC P1065 ECM POWER SUPPLY
Wiring Diagram
EBS00M6Y
TBWA0129E
Page 623 of 3833
DTC P1111 IVT CONTROL SOLENOID VALVE
EC-273
[QR25(WITH EURO-OBD)]
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Wiring DiagramEBS00M75
TBWA0070E
Page 624 of 3833
![NISSAN X-TRAIL 2001 Service Repair Manual EC-274
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DTC P1111 IVT CONTROL SOLENOID VALVE
Diagnostic Procedure
EBS00M76
1. CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch “OFF”.
2. Disconnect intake valve timing contr NISSAN X-TRAIL 2001 Service Repair Manual EC-274
[QR25(WITH EURO-OBD)]
DTC P1111 IVT CONTROL SOLENOID VALVE
Diagnostic Procedure
EBS00M76
1. CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch “OFF”.
2. Disconnect intake valve timing contr](/manual-img/5/57405/w960_57405-623.png)
EC-274
[QR25(WITH EURO-OBD)]
DTC P1111 IVT CONTROL SOLENOID VALVE
Diagnostic Procedure
EBS00M76
1. CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch “OFF”.
2. Disconnect intake valve timing control solenoid valve harness connector.
3. Turn ignition switch “ON”.
4. Check voltage between intake valve timing control solenoid
valve terminal 1 and ground with CONSULT-II or tester.
OK or NG
OK >> GO TO 3.
NG >> GO TO 2.
2. DETECT MALFUNCTION PART
Check the harness for open or short between intake valve timing control solenoid valve and ECM relay.
>> Repair harness or connectors.
3. CHECK INTAKE VALVE TIMING 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 107 and intake valve timing control solenoid valve termi-
nal 2. Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 4.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
4. CHECK INTAKE VALVE TIMING CONTROL SOLENOID VALVE
Refer to EC-275, "
Component Inspection" .
OK or NG
OK >> GO TO 5.
NG >> Replace intake valve timing control solenoid valve.Voltage: Battery voltage
PBIB0511E
PBIB0285E
Continuity should exist.
Page 630 of 3833
EC-280
[QR25(WITH EURO-OBD)]
DTC P1122 ELECTRIC THROTTLE CONTROL FUNCTION
Wiring Diagram
EBS00NBZ
TBWA0180E
Page 631 of 3833
DTC P1122 ELECTRIC THROTTLE CONTROL FUNCTION
EC-281
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Diagnostic ProcedureEBS00NC0
1.RETIGHTEN GROUND SCREWS
1. Turn ignition switch “OFF”.
2. Loosen and retighten engine ground screws.
>> GO TO 2.
2.CHECK THROTTLE CONTROL MOTOR GROUND CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminal 115 and engine ground.
Refer to Wiring Diagram.
3. 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 connectors.
3.CHECK THROTTLE CONTROL MOTOR RELAY POWER SUPPLY
1. Turn ignition switch “OFF”.
2. Disconnect throttle control motor relay harness connector.
3. Check voltage between throttle control motor relay terminals 2, 5
and ground with CONSULT-II or tester.
OK or NG
OK >> GO TO 5.
NG >> GO TO 4.
PBIB0925E
Continuity should exist.
PBIB0505E
Voltage: Battery voltage
PBIB0575E
Page 632 of 3833
![NISSAN X-TRAIL 2001 Service Repair Manual EC-282
[QR25(WITH EURO-OBD)]
DTC P1122 ELECTRIC THROTTLE CONTROL FUNCTION
4. DETECT MALFUNCTIONING PART
Check the following.
●15A fuse
●Harness for open or short between throttle control motor rel NISSAN X-TRAIL 2001 Service Repair Manual EC-282
[QR25(WITH EURO-OBD)]
DTC P1122 ELECTRIC THROTTLE CONTROL FUNCTION
4. DETECT MALFUNCTIONING PART
Check the following.
●15A fuse
●Harness for open or short between throttle control motor rel](/manual-img/5/57405/w960_57405-631.png)
EC-282
[QR25(WITH EURO-OBD)]
DTC P1122 ELECTRIC THROTTLE CONTROL FUNCTION
4. DETECT MALFUNCTIONING PART
Check the following.
●15A fuse
●Harness for open or short between throttle control motor relay and battery
>> Repair or replace harness or connectors.
5. CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check continuity between ECM terminal 113 and throttle control motor relay terminal 3.
Refer to Wiring Diagram.
3. 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 E60, F36
●Harness for open or short between ECM and throttle control motor relay
>> Repair open circuit or short to ground or short to power in harness or connectors.
7. CHECK THROTTLE CONTROL MOTOR RELAY OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check continuity between ECM terminal 112 and throttle control motor relay terminal 1.
Refer to Wiring Diagram.
2. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 9.
NG >> GO TO 8.
8. DETECT MALFUNCTIONING PART
Check the following.
●Harness connectors E60, F36
●Harness for open or short between ECM and throttle control motor relay
>> Repair open circuit or short to ground or short to power in harness or connectors. Continuity should exist.
Continuity should exist.
Page 633 of 3833
![NISSAN X-TRAIL 2001 Service Repair Manual DTC P1122 ELECTRIC THROTTLE CONTROL FUNCTION
EC-283
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9.CHECK THROTTLE CONTROL MOTOR OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch “O NISSAN X-TRAIL 2001 Service Repair Manual DTC P1122 ELECTRIC THROTTLE CONTROL FUNCTION
EC-283
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9.CHECK THROTTLE CONTROL MOTOR OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch “O](/manual-img/5/57405/w960_57405-632.png)
DTC P1122 ELECTRIC THROTTLE CONTROL FUNCTION
EC-283
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9.CHECK THROTTLE CONTROL MOTOR OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch “OFF”.
2. Disconnect electric throttle control actuator harness connector.
3. Disconnect ECM harness connector.
4. Check harness continuity between the following terminals.
Refer to Wiring Diagram.
5. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 10.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
10.CHECK ELECTRIC THROTTLE CONTROL ACTUATOR VISUALLY
1. Remove the intake air duct.
2. Check if foreign matter is caught between the throttle valve and
the housing.
OK or NG
OK >> GO TO 11.
NG >> Remove the foreign matter and clean the electric throttle
control actuator inside.
11 . CHECK THROTTLE CONTROL MOTOR RELAY
Refer to EC-289, "
Component Inspection" .
OK or NG
OK >> GO TO 12.
NG >> Replace throttle control motor relay.
12.CHECK THROTTLE CONTROL MOTOR
Refer to EC-294, "
Component Inspection" .
OK or NG
OK >> GO TO 13.
NG >> GO TO 15.
13.CHECK INTERMITTENT INCIDENT
Refer to EC-115, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
OK or NG
OK >> GO TO 15.
NG >> Repair or replace harness or connectors.
Electric throttle control
actuator terminalECM terminal Continuity
6114 Should exist
116 Should not exist
3114 Should not exist
116 Should exist
PBIB0497E
PBIB0518E
Page 637 of 3833
DTC P1124, P1126 THROTTLE CONTROL MOTOR RELAY
EC-287
[QR25(WITH EURO-OBD)]
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Wiring DiagramEBS00MPS
TBWA0153E