2003 NISSAN X-TRAIL fuse

EC-940
[YD (WITH EURO-OBD)]
MAIN POWER SUPPLY AND GROUND CIRCUIT

5. CHECK ECM POWER SUPPLY CIRCUIT-II
1. Reconnect ECM harness connector.
2. Turn ignition switch ON and then OFF.
3. Check voltage between ECM terminals 119, 120 and ground
with CONSULT-II or tester.
OK or NG
OK >> GO TO 13.
NG (Battery voltage does not exist)>>GO TO 6.
NG (Battery voltage exists for more then a few seconds)>>GO TO 8.
6. CHECK ECM POWER SUPPLY CIRCUIT-III
1. Disconnect ECM relay.
2. Check voltage between relay terminals 1, 3, 6 and ground with
CONSULT-II or tester.
OK or NG
OK >> GO TO 8.
NG >> GO TO 7.
7. DETECT MALFUNCTIONING PART
Check the following.

Harness connectors E65, F6

20A fuse

Harness for open or short between ECM relay and battery
>> Repair open circuit or short to ground or short to power in harness or connectors. Voltage: After turning ignition switch OFF, battery
voltage will exist for a few seconds, then
drop to approximately 0V.
MBIB0611E
PBIB1899E
Voltage: Battery voltage
PBIB1886E

EC-942
[YD (WITH EURO-OBD)]
MAIN POWER SUPPLY AND GROUND CIRCUIT

13. CHECK ECM POWER SUPPLY CIRCUIT-V
Check voltage between ECM terminal 121 and ground with CON-
SULT-II or tester.
OK or NG
OK >> GO TO 15.
NG >> GO TO 14.
14. DETECT MALFUNCTIONING PART
Check the following.

20A fuse

Harness connectors E116, M75 (LHD models)

Harness connectors E105, M13 (RHD models)

Harness for open or short between ECM and fuse
>> Repair open circuit or short to ground or short to power in harness or connectors.
15. CHECK ECM GROUND CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between ECM terminals 1, 2, 3, 114 and body ground. Refer to Wiring Diagram.
2. Also check harness for short to power.
OK or NG
OK >> GO TO 16.
NG >> Repair open circuit or short to power in harness or connectors.
16. CHECK INTERMITTENT INCIDENT
Refer to EC-936, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END
Component InspectionEBS0117O
ECM RELAY
1. Apply 12V direct current between ECM relay terminals 1 and 2.
2. Check continuity between relay terminals 3 and 5, 6 and 7.
3. If NG, replace ECM relay.Voltage: Battery voltage
MBIB0026E
Continuity should exist.
Condition Continuity
12V direct current supply between ter-
minals 1 and 2Ye s
OFF No
PBIB0077E

DTC P0217 ENGINE OVER TEMPERATURE
EC-1019
[YD (WITH EURO-OBD)]
C
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EC

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.

Fuse block (J/B) connector E103

10A fuse

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.
PBIB1935E
Voltage: Battery voltage
PBIB0422E

DTC P0217 ENGINE OVER TEMPERATURE
EC-1021
[YD (WITH EURO-OBD)]
C
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EC

8. CHECK INTERMITTENT INCIDENT
Perform EC-936, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END
PROCEDURE B
1. CHECK COOLING FAN RELAYS-2 AND -3 POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect cooling fan relay-2 and -3.
3. Turn ignition switch ON.
4. Check voltage between cooling fan relays-2, -3 terminals 1, 3
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.

Fuse block (J/B) connector E103

10A fuse

40A fusible links

Harness for open or short between cooling fan relays-2, -3 and fuse

Harness for open or short between cooling fan relays-2, -3 and battery
>> Repair open circuit or short to ground or short to power in harness or connectors.
PBIB1935E
Voltage: Battery voltage
PBIB0251E

EC-1088
[YD (WITH EURO-OBD)]
DTC P0563 BATTERY VOLTAGE

3. CHECK JUMPER CABLES INSTALLATION
Check that the jumper cables are connected in the correct sequence.
OK or NG
OK >> GO TO 4.
NG >> Reconnect jumper cables properly.
4. CHECK BATTERY FOR BOOSTER
Check that the battery for the booster is a 12V battery.
OK or NG
OK >> GO TO 5.
NG >> Change the vehicle for booster.
5. PERFORM DTC CONFIRMATION PROCEDURE AGAIN
Perform EC-1087, "
DTC Confirmation Procedure" , again.
OK or NG
OK >> GO TO 7.
NG >> GO TO 6.
6. REPLACE ECM
1. Replace ECM.
2. Perform initialization of NATS system and registration of all NATS ignition key IDs. Refer to EC-896,
"NATS (Nissan Anti-theft System)" .
3. Perform Fuel Pump Learning Value Clearing. Refer to EC-890, "
Fuel Pump Learning Value Clearing" .
>>INSPECTION END
7. CHECK ELECTRICAL PARTS DAMAGE
Check the following for damage.

Wiring harness and harness connectors for burn

Fuses for short
OK or NG
OK >>INSPECTION END
NG >> Repair or replace malfunctioning part.
SEF439Z

EC-1180
[YD (WITH EURO-OBD)]
BRAKE SWITCH

3. DETECT MALFUNCTIONING PART
Check the following.

15A fuse

Fuse block (J/B) connector M2

Harness for open and short between stop lamp switch and battery
>> Repair open circuit or short to ground or short to power in harness or connectors.
4. 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 5.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
5. CHECK STOP LAMP SWITCH
Refer to EC-1180, "
Component Inspection" .
OK or NG
OK >> GO TO 6.
NG >> Replace stop lamp switch.
6. CHECK INTERMITTENT INCIDENT
Refer to EC-936, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END
Component InspectionEBS011G3
STOP LAMP SWITCH
1. Disconnect stop lamp switch harness connector.Continuity should exist.
PBIB1902E

FUEL TRANSPORT PUMP
EC-1195
[YD (WITH EURO-OBD)]
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EC

3. CHECK FUEL TRASPORT PUMP RELAY POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Reconnect ECM harness connector.
3. Disconnect fuel transport pump relay.
4. Turn ignition switch ON.
5. Check voltage between fuel transport pump relay terminals 1, 5
and ground with CONSULT-II or tester.
OK or NG
OK >> GO TO 5.
NG >> GO TO 4.
4. DETECT MALFUNCTIONING PERT
Check the following.

Harness connectors M17, B1

Fuse block (J/B) connectors M1

15A fuse

Harness for open or short between fuse and fuel transport pump relay
>> Repair harness or connectors.
5. CHECK FUEL TRANSPORT PUMP POWER SUPPLY AND GROUND CIRCUIT FOR OPEN AND
SHORT
1. Turn ignition switch OFF.
2. Disconnect fuel transport pump harness connector.
3. Check harness continuity between fuel transport pump relay ter-
minal 3 and fuel transport pump terminal 1 and between fuel
transport pump terminal 2 and ground. 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.
PBIB1933E
Voltage: Battery voltage
PBIB0471E
Continuity should exist.
PBIB1931E

EC-1200
[YD (WITH EURO-OBD)]
START SIGNAL

Diagnostic ProcedureEBS011GH
1. CHECK START SIGNAL OVERALL FUNCTION
With CONSULT-II
1. Turn ignition switch ON.
2. Check “START SIGNAL” in “DATA MONITOR” mode with CON-
SULT-II under the following conditions.
Without CONSULT-II
Check voltage between ECM terminal 99 and ground under the fol-
lowing conditions.
OK or NG
OK >>INSPECTION END
NG >> GO TO 2.
2. CHECK START SIGNAL INPUT SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector and ignition switch harness connector.
3. Check harness continuity between ECM terminal 99 and ignition switch terminal 6.
Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 4.
NG >> GO TO 3.
3. DETECT MALFUNCTIONING PART
Check the following.

10A fuse

Fuse block (J/B) connectors M1, E102

Harness for open or short between ECM and ignition switch
>> Repair open circuit or short to ground or short to power in harness or connectors.
Condition START SIGNAL
Ignition switch ON OFF
Ignition switch START ON
PBIB0433E
Condition Voltage
Ignition switch ON Approximately 0V
Ignition switch START Battery voltage
PBIB1949E
Continuity should exist.