2001 NISSAN X-TRAIL diagram

DTC P1124, P1126 THROTTLE CONTROL MOTOR RELAY
EC-595
[QR25(WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
Wiring DiagramEBS00NI1
TBWA0153E

EC-596
[QR25(WITHOUT EURO-OBD)]
DTC P1124, P1126 THROTTLE CONTROL MOTOR RELAY
Diagnostic Procedure
EBS00NI2
1. 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 3.
NG >> GO TO 2.
2. 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.
3. 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 5.
NG >> GO TO 4.
4. 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.
PBIB0505E
Voltage: Battery voltage
PBIB0575E
Continuity should exist.

DTC P1124, P1126 THROTTLE CONTROL MOTOR RELAY
EC-597
[QR25(WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
5.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 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
Refer to EC-597, "
Component Inspection" .
OK or NG
OK >> GO TO 8.
NG >> Replace throttle control motor relay.
8.CHECK INTERMITTENT INCIDENT
Refer to EC-506, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END
Component InspectionEBS00NI3
THROTTLE CONTROL MOTOR RELAY
1. Apply 12V direct current between relay terminals 1 and 2.
2. Check continuity between relay terminals 3 and 5.
3. If NG, replace throttle control motor relay.Continuity should exist.
Conditions Continuity
12V direct current supply between terminals 1 and 2 Yes
No current supply No
PBIB0098E

EC-600
[QR25(WITHOUT EURO-OBD)]
DTC P1128 THROTTLE CONTROL MOTOR
Wiring Diagram
EBS00NI8
TBWA0186E

DTC P1128 THROTTLE CONTROL MOTOR
EC-601
[QR25(WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
Diagnostic ProcedureEBS00NI9
1.RETIGHTEN GROUND SCREWS
1. Turn ignition switch “OFF”.
2. Loosen and retighten engine ground screws.
>> GO TO 2.
2.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 3.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
3.CHECK THROTTLE CONTROL MOTOR
Refer to EC-602, "
Component Inspection" .
OK or NG
OK >> GO TO 4.
NG >> GO TO 5.
4.CHECK INTERMITTENT INCIDENT
Refer to EC-506, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
OK or NG
OK >> GO TO 5.
NG >> Repair or replace harness or connectors.
5.REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR
1. Replace the electric throttle control actuator.
2. Perform EC-449, "
Throttle Valve Closed Position Learning" .
3. Perform EC-450, "
Idle Air Volume Learning" .
>>INSPECTION END
PBIB0925E
Electric throttle control
actuator terminalECM terminal Continuity
6114 Should exist
116 Should not exist
3114 Should not exist
116 Should exist
PBIB0497E

DTC P1217 ENGINE OVER TEMPERATURE
EC-607
[QR25(WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
Wiring DiagramEBS00NIH
TBWA0144E

EC-612
[QR25(WITHOUT EURO-OBD)]
DTC P1217 ENGINE OVER TEMPERATURE
PROCEDURE A
1. CHECK COOLING FAN POWER SUPPLY CIRCUIT
1. Turn ignition switch “OFF”.
2. Disconnect cooling fan relay-1.
3. Turn ignition switch “ON”.
4. Check voltage between cooling fan relay-1 terminals 1, 5, 7 and
ground with CONSULT-II or tester.
OK or NG
OK >> GO TO 3.
NG >> GO TO 2.
2. DETECT MALFUNCTIONING PART
Check the following.
●10A fuse
●Fuse block (J/B) connector E103
●40A fusible links
●Harness for open or short between cooling fan relay-1 and fuse
●Harness for open or short between cooling fan relay-1 and battery
>> Repair open circuit or short to ground or short to power in harness or connectors.
3. CHECK COOLING FAN GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch “OFF”.
2. Disconnect cooling fan motor-1 harness connector and cooling
fan motor-2 harness connector.
3. Check harness continuity between cooling fan relay-1 terminal 3
and cooling fan motor-1 terminal 1, cooling fan motor-1 terminal
4 and body ground.
Refer to wiring diagram.
4. Also check harness for short to ground and short to power.
5. Check harness continuity between cooling fan relay-1 terminal 6
and cooling fan motor-2 terminal 1, cooling fan motor-2 terminal
4 and body ground.
Refer to wiring diagram.
6. 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. Voltage: Battery voltage
PBIB0577E
Continuity should exist.
Continuity should exist.
PBIB0504E

DTC P1217 ENGINE OVER TEMPERATURE
EC-613
[QR25(WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
4.CHECK COOLING FAN OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminal 37 and cooling fan relay-1 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 >> GO TO 5.
5.DETECT MALFUNCTIONING PART
Check the following.
●Harness connectors E61, F38
●Harness for open or short between cooling fan relay-1 and ECM
>> Repair open circuit or short to ground or short to power in harness or connectors.
6.CHECK COOLING FAN RELAY-1
Refer to EC-616, "
Component Inspection" .
OK or NG
OK >> GO TO 7.
NG >> Replace cooling fan relay.
7.CHECK COOLING FAN MOTORS-1 AND -2
Refer to EC-616, "
Component Inspection" .
OK or NG
OK >> GO TO 8.
NG >> Replace cooling fan motors.
8.CHECK INTERMITTENT INCIDENT
Perform EC-115, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END Continuity should exist.