NISSAN X-TRAIL 2003 Service Repair Manual

GLOW CONTROL SYSTEM
EC-1173
[YD (WITH EURO-OBD)]
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4. CHECK GLOW CONTROL SYSTEM OVERALL FUNCTION
With CONSULT-ll
1. Select “COOLAN TEMP/S” in “DATA MONITOR” mode with
CONSULT-II.
2. Confirm that “COOLAN TEMP/S” indicates approximately 25°C
(77°F). If NG, cool down engine.
3. Turn ignition switch OFF.
4. Set voltmeter probe between glow plug and engine body.
5. Turn ignition switch ON.
6. Check the voltage between glow plug and engine body under
the following conditions.
Without CONSULT-II
1. Confirm that the voltage between ECM terminal 51 (engine cool-
ant temperature sensor signal) and ground is above 3.62V.
If it is below 3.62V, cool down engine.
2. Turn ignition switch OFF.
3. Set voltmeter probe between glow plug and engine body.
4. Turn ignition switch ON.
5. Check the voltage between glow plug and engine body under
the following conditions.
OK or NG
OK >>INSPECTION END
NG >> GO TO 7.
5. CHECK DTC
Check that DTC U1000 is not displayed.
Ye s o r N o
Yes >> Perform trouble diagnoses for DTC U1000, refer to EC-944, "DTC U1000 CAN COMMUNICA-
TION LINE" .
No >> GO TO 6.
SEF013Y
Conditions Voltage
For 20 seconds after turning ignition switch ON Battery voltage
More than 20 seconds after turning ignition
switch ONApprox. 0V
PBIB0425E
Conditions Voltage
For 20 seconds after turning ignition switch ON Battery voltage
More than 20 seconds after turning ignition
switch ONApprox. 0VSEF006P

EC-1174
[YD (WITH EURO-OBD)]
GLOW CONTROL SYSTEM

6. CHECK COMBINATON METER OPERATION
Does combination meter operate normally?
Ye s o r N o
Yes >> GO TO 14.
No >> Check combination meter circuit. Refer to DI-4, "
COMBINATION METERS" .
7. CHECK GLOW RELAY POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect glow relay.
3. Check voltage between glow relay terminals 1, 3 and ground
with CONSULT-II or tester.
OK or NG
OK >> GO TO 9.
NG >> GO TO 8.
8. DETECT MALFUNCTIONING PART
Check the following.

60A fusible link

Harness for open or short between glow relay and battery
>> Repair harness or connectors.
9. CHECK GLOW RELAY OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminal 37 and glow relay terminal 2.
Refer to Wiring Diagram.
3. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 11.
NG >> GO TO 10.
MBIB0078E
Voltage: Battery voltage
PBIB1413E
Continuity should exist.

GLOW CONTROL SYSTEM
EC-1175
[YD (WITH EURO-OBD)]
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10. DETECT MALFUNCTIONING PART
Check the following.

Harness connectors E64, F5

Harness for open or short between glow relay and ECM
>> Repair open circuit or short to ground or short to power in harness or connectors.
11 . CHECK HARNESS CONTINUITY BETWEEN GLOW RELAY AND GLOW PLUG FOR OPEN AND
SHORT
1. Disconnect glow plug harness connector.
2. Check harness continuity between glow relay terminal 5 and glow plug harness connector.
Refer to Wiring Diagram.
3. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 12.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
12. CHECK GLOW RELAY
Refer to EC-1176, "
Component Inspection" .
OK or NG
OK >> GO TO 13.
NG >> Replace glow relay.
13. CHECK GLOW PLUG
Refer to EC-1176, "
Component Inspection" .
OK or NG
OK >> GO TO 14.
NG >> Replace glow plug.
14. CHECK INTERMITTENT INCIDENT
Refer to EC-936, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END Continuity should exist.

EC-1176
[YD (WITH EURO-OBD)]
GLOW CONTROL SYSTEM

Component InspectionEBS011FK
GLOW RELAY
Check continuity between glow relay terminals 3 and 5 under the fol-
lowing conditions.
Operation takes less than 1 second.
GLOW PLUG
1. Remove glow plug connecting plate.
2. Check glow plug resistance.
NOTE:

Do not bump glow plug heating element. If it is bumped,
replace glow plug with a new one.

If glow plug is dropped from a height of 10 cm (3.94 in) or
higher, replace with a new one.

If glow plug installation hole is contaminated with car-
bon, remove it with a reamer or suitable tool.

Hand-tighten glow plug by turning it two or three times,
then tighten using a tool to specified torque.
Removal and InstallationEBS011FL
GLOW PLUG
Refer to EM-152, "GLOW PLUG" .
Conditions Continuity
12V direct current supply between ter-
minals 1 and 2Ye s
No current supply No
PBIB0428E
Resistance: Approximately 0.8 Ω [at 25°C (77°F)]
: 20.1 N-m (2.1 kg-m, 15 ft-lb)
PBIB0429E

BRAKE SWITCH
EC-1177
[YD (WITH EURO-OBD)]
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BRAKE SWITCHPFP:25230
DescriptionEBS011FZ
The stop lamp switch is installed to brake pedal bracket. The switch
senses brake pedal position and sends an ON-OFF signal to the
ECM. The ECM uses the signal to control the fuel injection control
system.
CONSULT-II Reference Value in Data Monitor ModeEBS011WF
Specification data are reference values.
ECM Terminals and Reference ValueEBS011G0
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.
PBIB1902E
MONITOR ITEM CONDITION SPECIFICATION
BRAKE SW

Ignition switch: ONBrake pedal: Fully released OFF
Brake pedal: Slightly depressed ON
TERMI-
NAL
NO.WIRE
COLORITEM CONDITIONDATA
(DC Voltage)
100 P Stop lamp switch[Ignition switch ON]

Brake pedal: Fully releasedApproximately 0V
[Ignition switch ON]

Brake pedal: DepressedBATTERY VOLTAGE
(11 - 14V)

EC-1178
[YD (WITH EURO-OBD)]
BRAKE SWITCH

Wiring DiagramEBS011G1
TBWA0580E

BRAKE SWITCH
EC-1179
[YD (WITH EURO-OBD)]
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Diagnostic ProcedureEBS011G2
1. CHECK OVERALL FUNCTION
With CONSULT-II
1. Turn ignition switch ON.
2. Select “BRAKE SW” in “DATA MONITOR” mode with CON-
SULT-II.
3. Check “BRAKE SW” signal under the following conditions.
Without CONSULT-II
Check voltage between ECM terminal 100 and ground under the fol-
lowing conditions.
OK or NG
OK >>INSPECTION END
NG >> GO TO 2.
2. CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect stop lamp switch harness connector.
3. Check voltage between stop lamp switch terminal 1 and ground
with CONSULT-II or tester.
OK or NG
OK >> GO TO 4.
NG >> GO TO 3.
Conditions BRAKE SW
Brake pedal released OFF
Brake pedal slightly depressed ON
PBIB0472E
Condition Voltage
Brake pedal released Approximately 0V
Brake pedal slightly depressed Battery voltage
PBIB1946E
PBIB1902E
Voltage: Battery voltage
PBIB0117E

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

BRAKE SWITCH
EC-1181
[YD (WITH EURO-OBD)]
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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.
Conditions Continuity
Brake pedal fully released Should not exist.
Brake pedal depressed Should exist.
PBIB0118E

EC-1182
[YD (WITH EURO-OBD)]
PNP SWITCH

PNP SWITCHPFP:32006
DescriptionEBS011G4
When the gear position is in Neutral, park/neutral position is ON. ECM detects the position because the conti-
nuity of the line (the “ON” signal) exists.
CONSULT-II Reference Value in Data Monitor ModeEBS011G5
Specification data are reference values.
ECM Terminals and Reference ValueEBS011G6
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.
MONITOR ITEM CONDITION SPECIFICATION
P/N POSI SW

Ignition switch: ONShift lever: Neutral position ON
Except above OFF
TERMI-
NAL
NO.WIRE
COLORITEM CONDITIONDATA
(DC Voltage)
11 0 G / O RPark/Neutral position
switch[Ignition switch ON]

Gear position is Neutral Approximately 0V
[Ignition switch ON]

Except the above gear positionBATTERY VOLTAGE
(11 - 14V)