2005 NISSAN X-TRAIL ignition

LT-84
HEADLAMP AIMING CONTROL (AUTO)

DTC B2088 [SHORT TO BATTERY]EKS00N6G
1. CHECK HEIGHT SENSOR
1. Select “HEAD LAMP LEVELIZER” on CONSULT-II and “DATA
MONITOR” on “SELECT DIAG MODE” screen.
2. Lighting switch is turned 1ST position.
3. Check if “ACT OUTPUT” and “ACT MEASURED” indicated the
same value.
NOTE:
If shorted to battery, “ACT MEASURED” indicates approx.
100%.
OK or NG
OK >> Erase the self-diagnosis and perform the self-diagnosis
again.

[B2088] is displayed again: Replace height sensor, and initialize it. Refer to LT- 8 6 , "Removal
and Installation of Height Sensor" and LT- 7 0 , "WORK SUPPORT" .

NO DTC is displayed: INSPECTION END
NG >> GO TO 2.
2. CHECK HEADLAMP LEVELIZER
1. Turn ignition switch OFF.
2. Lighting switch is turned OFF position.
3. Disconnect headlamp aiming motor RH and LH connector.
4. Select “HEAD LAMP LEVELIZER” on CONSULT-II and “DATA
MONITOR” on “SELECT DIAG MODE” screen.
5. Lighting switch is turned 1ST position.
6. Check if “ACT OUTPUT” and “ACT MEASURED” indicated the
same value.
OK or NG
OK >> GO TO 4.
NG >> GO TO 3.
3. CHECK SHORT CIRCUIT BETWEEN HEIGHT SENSOR AND HEADLAMP LEVELIZER
1. Turn ignition switch OFF.
2. Lighting switch is turned OFF position.
3. Disconnect height sensor sub harness connector.
4. Turn ignition switch ON.
5. Check voltage between height sensor sub harness connector
B142 terminal 6 (L/B) and ground.
OK or NG
OK >> Replace height sensor, and initialize it. Refer to LT- 8 6 ,
"Removal and Installation of Height Sensor" and LT- 7 0 ,
"WORK SUPPORT" .
NG >> Repair harness or connector.
PKIB7209E
PKIB7209E
6 (L/B) – Ground : Approx. 0 V
PKIC0564E

HEADLAMP AIMING CONTROL (AUTO)
LT-85
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4. CHECK HEADLAMP AIMING MOTOR RH
1. Connect headlamp aiming motor RH connector only.
2. Turn ignition switch ON.
3. Check if “ACT OUTPUT” and “ACT MEASURED” indicated the
same value.
OK or NG
OK >> GO TO 5.
NG >> Replace headlamp RH. Refer to LT- 2 1 , "
Removal and
Installation of Headlamp" in HEADLAMP - XENON
TYPE -.
5. CHECK HEADLAMP AIMING MOTOR LH
1. Turn ignition switch OFF.
2. Disconnect headlamp aiming motor RH connector.
3. Connect headlamp aiming motor LH connector.
4. Turn ignition switch ON.
5. Check if “ACT OUTPUT” and “ACT MEASURED” indicated the
same value.
OK or NG
OK >> Replace height sensor, and initialize it. Refer to LT- 8 6 ,
"Removal and Installation of Height Sensor" and LT- 7 0 ,
"WORK SUPPORT" .
NG >> Replace headlamp LH. Refer to LT- 2 1 , "
Removal and
Installation of Headlamp" in HEADLAMP - XENON TYPE -.
PKIB7209E
PKIB7209E

LT-86
HEADLAMP AIMING CONTROL (AUTO)

Removal and Installation of Height SensorEKS00N6H
REMOVAL
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal or remove power fuse.
3. Lift-up the vehicle.
4. Disconnect height sensor sub harness connector.
5. Remove linkage mounting bolt.
6. Remove height sensor mounting bolt and remove height sensor
from vehicle.
INSTALLATION
Installation is the reverse order of removal.
NOTE:
Initialize whenever replacing the height sensor. Refer to LT- 7 0 , "
WORK SUPPORT" .
PKIC0424E
Height sensor mounting bolt : 5.5 N·m (0.56 kg-m, 49 in-lb)
Linkage mounting bolt : 5.5 N·m (0.56 kg-m, 49 in-lb)

TURN SIGNAL AND HAZARD WARNING LAMPS
LT-87
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TURN SIGNAL AND HAZARD WARNING LAMPSPFP:26120
System Description EKS003BX
TURN SIGNAL OPERATION
With the hazard switch in the OFF position and the ignition switch in the ON or START position, power is sup-
plied

through 10A fuse [No. 2, located in fuse block (J/B)]

through hazard switch terminal 2

through hazard switch terminal 1

to combination flasher unit terminal 1,

through combination flasher unit terminal 3

to turn signal switch terminal 1.
Ground is supplied

to combination flasher unit terminal 2

through grounds M27 and M70.
LH Turn Signal Lamp
When the turn signal switch is moved to the left position, power is supplied

through turn signal switch terminal 3

to front turn signal lamp LH terminal 1

to side turn signal lamp LH terminal 1

to combination meter terminal 52, and

to rear combination lamp LH terminal 2.
Ground is supplied

to front turn signal lamp LH terminal 2

through grounds E24 and E50,

to side turn signal lamp LH terminal 2

through grounds E24 and E50,

to rear combination lamp LH terminal 4

through grounds B8 and B18,

to combination meter terminal 64

through grounds M27 and M70.
With power and ground supplied, the combination flasher unit controls the flashing of the LH turn signal lamps.
RH Turn Signal Lamp
When the turn signal switch is moved to the right position, power is supplied

through turn signal switch terminal 2

to front turn signal lamp RH terminal 1

to side turn signal lamp RH terminal 1

to combination meter terminal 18, and

to rear combination lamp RH terminal 2.
Ground is supplied

to front turn signal lamp RH terminal 2

through grounds E24 and E50,

to side turn signal lamp RH terminal 2

through grounds E24 and E50,

to rear combination lamp RH terminal 4

through grounds B8 and B18,

to combination meter terminal 64

through grounds M27 and M70.

TURN SIGNAL AND HAZARD WARNING LAMPS
LT-93
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Trouble Diagnoses EKS003BG
Electrical Components InspectionEKS0034C
COMBINATION FLASHER UNIT CHECK

Before checking, ensure that bulbs meet specifications.

Connect a battery and test lamp to the combination flasher unit,
as shown. Combination flasher unit is properly functioning if it
blinks when power is supplied to the circuit.
Symptom Possible cause Repair order
Turn signal and hazard warning lamps do
not operate.1. Hazard switch
2. Combination flasher unit
3. Open in combination flasher unit circuit1. Check hazard switch.
2. Refer to combination flasher unit check.
3. Check wiring to combination flasher unit
for open circuit.
Turn signal lamps do not operate but haz-
ard warning lamps operate.1. 10A fuse
2. Hazard switch
3. Turn signal switch
4. Open in turn signal switch circuit1. Check 10A fuse [No. 2, located in fuse
block (J/B)]. Turn ignition switch ON and
verify battery positive voltage is present
at terminal 2 of hazard switch.
2. Check hazard switch.
3. Check turn signal switch.
4. Check the wire between combination
flasher unit terminal 3 and turn signal
switch terminal 1 for open circuit.
Hazard warning lamps do not operate but
turn signal lamps operate.1. 10A fuse
2. Hazard switch
3. Open in hazard switch circuit1. Check 10A fuse (No. 35, located in the
fuse and fusible link box). Verify battery
positive voltage is present at terminal 3
of hazard switch.
2. Check hazard switch.
3. Check the wire between combination
flasher unit terminal 3 and hazard switch
terminal 4 for open circuit.
Front turn signal lamp LH or RH does not
operate.1. Bulb
2. Grounds E24 and E501. Check bulb.
2. Check grounds E24 and E50.
Rear turn signal lamp LH or RH does not
operate.1. Bulb
2. Grounds B8 and B181. Check bulb.
2. Check grounds B8 and B18.
Side turn signal lamp LH or RH does not
operate.1. Bulb
2. Grounds E24 and E501. Check bulb.
2. Check grounds E24 and E50.
LH and RH turn indicators do not operate. 1. Ground 1. Check grounds M27 and M70.
LH or RH turn indicator does not operate. 1. Bulb 1. Check bulb in combination meter.
PKIC0929E

LT-132
INTERIOR ROOM LAMP

INTERIOR ROOM LAMPPFP:26410
System DescriptionEKS003BQ
POWER SUPPLY AND GROUND
Power is supplied at all times

through 10A fuse [No. 28, located in fuse block (J/B)]

to key switch terminal 1, and

to time control unit terminal 1,

through 10A fuse [No. 26, located in fuse block (J/B)]

to interior room lamp terminal 1

to luggage room lamp terminal 1, and

to map lamp terminal 1 (with sunroof).
When the key is removed from ignition key cylinder, power is interrupted

through key switch terminal 2

to time control unit terminal 18.
With the ignition switch in the ON or START position, power is supplied

through 10A fuse [No. 5, located in fuse block (J/B)]

to time control unit terminal 17.
Ground is supplied

to time control unit terminal 16

through grounds M27 and M70.
When the driver’s door is opened, ground is supplied

to time control unit terminal 30

through front door switch (driver side) terminal 2

through front door switch (driver side) terminal 3

through grounds B8 and B18.
When the door (except driver’s door) is opened, ground is supplied

to time control unit terminal 31

through front door switch (passenger side) terminal 1

through case ground of front door switch (passenger side),

through rear door switch LH and RH terminal 1

through case ground of rear door switch LH and RH, and

through back door switch terminal 1

through back door switch terminal 3

through ground D53.
When the driver’s door is unlocked, the time control unit receives a ground signal

to time control unit terminal 28

through front door lock actuator (driver side) terminal 5

through front door lock actuator (driver side) terminal 2

through grounds M27 and M70.
When a signal, or combination of signals is received by the time control unit, ground is supplied

to interior room lamp terminal 2, and

to map lamp terminal 3 (with sunroof)

through time control unit terminal 26.
With power and ground supplied, the interior room lamp and map lamp (with sunroof) illuminates.
SWITCH OPERATION
When interior room lamp switch is ON, ground is supplied

to interior room lamp

through case grounds of interior room lamp.

INTERIOR ROOM LAMP
LT-133
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When map lamp switch is ON, ground is supplied (with sunroof)

to map lamp terminal 2

through ground M27 and M70.
INTERIOR ROOM LAMP TIMER OPERATION
When interior room lamp and map lamp (with sunroof) switch is in the DOOR position, the time control unit
keeps the interior room lamp and map lamp (with sunroof) illuminated for about 30 seconds when

unlock signal is supplied from driver's door unlock sensor while all doors are closed and key is out of igni-
tion key cylinder

key is removed from ignition key cylinder while all doors are closed

driver's door is opened and then closed while key is out of the ignition key cylinder. (However, if the
driver's door is closed with the key inserted in the ignition key cylinder after the driver's door is opened
with the key removed, the timer is operated.)
The timer is canceled when

driver's door is locked,

driver's door is opened, or

ignition switch is turned ON.
ON-OFF CONTROL
When the driver’s door, passenger’s door, rear LH door or rear RH door is opened, the interior room lamp and
map lamp (with sunroof) turns on while the interior room lamp and map lamp (with sunroof) switch is in the
DOOR position.

LT-138
INTERIOR ROOM LAMP

Interior Room Lamp Timer Does Not OperateEKS00OM7
1. CHECK POWER SUPPLY SIGNAL
1. Turn ignition switch OFF.
2. Disconnect time control unit connector.
3. Check voltage between time control unit harness connector and
ground.
OK or NG
OK >> GO TO 2.
NG >> Check the following.

10A fuse [No. 28, located in fuse block (J/B)]

Harness for open or short between time control unit and 10A fuse (No. 28)
2. CHECK FRONT DOOR SWITCH (DRIVER SIDE) INPUT SIGNAL
1. Connect time control unit connector.
2. Check voltage between time control unit harness connector and
ground.
OK or NG
OK >> GO TO 4.
NG >> GO TO 3.
3. CHECK FRONT DOOR SWITCH (DRIVER SIDE)
1. Disconnect front door switch (driver side) connector.
2. Check continuity between front door switch (driver side) termi-
nals.
OK or NG
OK >> Check the following.

Front door switch (driver side) ground circuit condition

Harness for open or short between time control unit and front door switch (driver side)
NG >> Replace front door switch (driver side).
Te r m i n a l
Voltage (+)
(−)
Connector Terminal (Wire color)
M30 1 (L) Ground Battery voltage
PKIA5561E
Terminal
Condition Voltage (+)
(−)
Connector Terminal (Wire color)
M31 30 (SB) GroundOFF (closed) Approx. 5V
ON (open) Approx. 0V
PKIA5562E
Connector Terminal Condition Continuity
B16 2 3Pushed (closed) No
Released (open) Yes
PKIC0928E