2003 NISSAN X-TRAIL diagram

EGR VOLUME CONTROL SYSTEM
EC-1467
[YD (WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC

Wiring DiagramEBS0125P
TBWB0009E

EGR VOLUME CONTROL SYSTEM
EC-1469
[YD (WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC

3. DETECT MALFUNCTIONING PART
Check the following.

Harness connectors F30, M63

Harness for open or short between EGR volume control valve and ECM

Harness for open or short between EGR volume control valve and ECM relay
>> Repair open circuit or short to ground or short to power in harness or connectors.
4. CHECK EGR VOLUME CONTROL VALVE OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between ECM terminals and EGR volume control valve terminals as follows.
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 EGR VOLUME CONTROL VALVE
Refer to EC-1469, "
Component Inspection" .
OK or NG
OK >> GO TO 6.
NG >> Replace EGR volume control valve.
6. CHECK EGR PASSAGE
Check the following for clogging and cracks.

EGR tube

EGR hose

EGR cooler
OK or NG
OK >> GO TO 7.
NG >> Repair or replace EGR passage.
7. CHECK INTERMITTENT INCIDENT
Refer to EC-1260, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END
Component InspectionEBS0125R
EGR VOLUME CONTROL VALVE
With CONSULT-II
1. Disconnect EGR volume control valve harness connector.
ECM terminal EGR volume control valve terminal
25 1
26 6
27 3
28 4
Continuity should exist.

EC-1472
[YD (WITHOUT EURO-OBD)]
TC BOOST CONTROL SOLENOID VALVE

Wiring DiagramEBS0125V
TBWB0010E

EC-1474
[YD (WITHOUT EURO-OBD)]
TC BOOST CONTROL SOLENOID VALVE

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-1474, "
Component Inspection" .
OK or NG
OK >> GO TO 6.
NG >> Replace turbocharger boost control solenoid valve.
6. CHECK INTERMITTENT INCIDENT
Refer to EC-1260, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END
Component InspectionEBS0125X
TURBOCHARGER BOOST CONTROL SOLENOID VALVE
1. Disconnect turbocharger boost control solenoid valve harness
connector.
2. Apply 12V direct current between turbocharger boost control
solenoid valve terminals.
3. Check air passage continuity of turbocharger boost control sole-
noid valve under the following conditions.
Operation takes less than 1 second.
If NG, replace turbocharger boost control solenoid valve.Continuity should exist.
PBIB1897E
CONDITIONSAir passage continuity
between A and BAir passage continuity
between A and C
12V direct current supply
between terminals 1 and 2Ye s N o
No supply No Yes
MBIB0996E

EC-1476
[YD (WITHOUT EURO-OBD)]
BRAKE SWITCH

Wiring DiagramEBS01262
TBWA0580E

EC-1478
[YD (WITHOUT EURO-OBD)]
BRAKE SWITCH

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-1478, "
Component Inspection" .
OK or NG
OK >> GO TO 6.
NG >> Replace stop lamp switch.
6. CHECK INTERMITTENT INCIDENT
Refer to EC-1260, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END
Component InspectionEBS01264
STOP LAMP SWITCH
1. Disconnect stop lamp switch harness connector.
2. Check continuity between stop lamp switch terminals 1 and 2
under the following conditions.
If NG, adjust brake pedal installation, refer to BR-6, "
BRAKE
PEDAL" , and perform step 2 again. Continuity should exist.
PBIB1902E
Conditions Continuity
Brake pedal fully released Should not exist.
Brake pedal depressed Should exist.
PBIB0118E

EC-1480
[YD (WITHOUT EURO-OBD)]
PNP SWITCH

Wiring DiagramEBS01268
TBWA0581E

PNP SWITCH
EC-1481
[YD (WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC

Diagnostic ProcedureEBS01269
1. CHECK OVERALL FUNCTION
With CONSULT-II
1. Turn ignition switch ON.
2. Select “P/N POSI SW” in “DATA MONITOR” mode with CON-
SULT-II.
3. Check “P/N POSI SW” signal under the following conditions.
OK or NG
OK >>INSPECTION END
NG >> GO TO 2.
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.
Shift lever position P/N POSI SW
Neutral position ON
Except the above position OFF
SEF212Y
Continuity should exist.
PBIB1903E
Continuity should exist.