2005 NISSAN X-TRAIL ignition

LT-74
HEADLAMP AIMING CONTROL (AUTO)

CAUTION:
If the vehicle height is outside the proper height, aiming control may not be performed normally even
when the headlamp aiming control system is normal.
Symptom ChartEKS00N66
Headlamp Aiming Motor Does Not Operate (Both Sides)EKS00N67
1. CHECK DIAGNOSIS RESULT-1
Select “HEAD LAMP LEVELIZER” on CONSULT-II.
Is
“HEAD LAMP LEVELIZER” displayed?
YES >> GO TO 4.
NO >> GO TO 2.
2. CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect height sensor sub harness connector.
3. Turn ignition switch ON.
4. Check voltage between height sensor sub harness connector
B142 terminal 2 (G) and ground.
OK or NG
OK >> GO TO 3.
NG >> Check the following.

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

Harness for open or short between 10A fuse (No. 5) and height sensor

Harness connector
*7 Refer to LT- 6 9 , "CONSULT-II Func-
tions (HEADLAMP LEVELIZER)" .*8 Refer to LT-64, "
Height Sensor Con-
trol Operation" and LT- 7 0 , "DATA
MONITOR" .*9 Refer to LT- 7 0 , "
DATA MONITOR" .
*10 Refer to DI-28, "
Vehicle Speed Sig-
nal Inspection [With ESP]" , DI-28,
"Vehicle Speed Signal Inspection
[Without ESP]" in “DI section”.*11 Refer to LT-70, "
WORK SUPPORT"
.
Symptom Reference
Headlamp aiming motor does not operate (Both sides) Refer to LT- 7 4 , "
Headlamp Aiming Motor Does Not Operate (Both Sides)" .
Headlamp aiming motor does not operate (One side) Refer to LT- 7 7 , "
Headlamp Aiming Motor Does Not Operate (One Side)" .
PKIC0553E
2 (G) – Ground : Battery voltage.
PKIC0554E

HEADLAMP AIMING CONTROL (AUTO)
LT-75
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3. CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between height sensor sub harness connector
B142 terminal 1 (B) and ground.
OK or NG
OK >> Replace height sensor, and initialize it. Refer to LT- 8 6 ,
"Removal and Installation of Height Sensor" , LT- 7 0 ,
"WORK SUPPORT" .
NG >> Repair harness or connector.
4. CHECK DIAGNOSIS RESULT - 2
1. Select “HEAD LAMP LEVELIZER” on CONSULT-II, and select
“SELF-DIAG RESULTS” on “SELECT DIAG MODE” screen.
2. Check display content in self-diagnostic results.
Is DTC detected?
YES >> Check with obeying indicated DTC. Refer to LT- 7 1 ,
"Description of DTC and Solutions after Detection" .
NO >> GO TO 5.
5. CHECK HEADLAMP AIMING MOTOR INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect headlamp aiming motor RH and LH connector.
3. Turn ignition switch ON.
4. Lighting switch is turned 2ND position.
5. Check voltage between headlamp aiming motor RH harness
connector E28 terminal 2 (L/B) and ground.
6. Check voltage between headlamp aiming motor LH harness connector E44 terminal 2 (L/B) and ground.
OK or NG
OK >> GO TO 6.
NG >> 1. There is no change even though voltage is from about 5V through 10V.
: Replace height sensor, and initialize it. Refer to LT- 8 6 , "
Removal and Installation of Height
Sensor" , LT- 7 0 , "WORK SUPPORT" .
2. Voltage is 0V.
: GO TO 8. 1 (B) – Ground : Continuity should exist.
PKIB9425E
PKIB0115E
2 (L/B) – Ground
: Voltage elevates after about 10 seconds when a
load imposes on rear axle. Voltage drops after about
10 seconds when remove a load.
2 (L/B) – Ground
: Voltage elevates after about 10 seconds when a
load imposes on rear axle. Voltage drops after about
10 seconds when remove a load.
PKIC0555E

LT-76
HEADLAMP AIMING CONTROL (AUTO)

6. CHECK POWER SUPPLY CIRCUIT
1. Check voltage between headlamp aiming motor RH harness connector E28 terminal 1 (R/L) and ground.
2. Check voltage between headlamp aiming motor LH harness
connector E44 terminal 1 (R/L) and ground.
OK or NG
OK >> GO TO 7.
NG >> Check the following.

Harness for open or short between 10A fuse [No. 5,
located in fuse block (J/B)] and front combination
lamp

Harness connector
7. CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between headlamp aiming motor RH harness
connector E28 terminal 3 (B) and ground.
3. Check continuity between headlamp aiming motor LH harness
connector E44 terminal 3 (B) and ground.
OK or NG
OK >> Replace headlamp. Refer to LT- 2 1 , "Removal and
Installation of Headlamp" in “HEADLAMP - XENON TYPE -”.
NG >> Repair harness or connector.
8. CHECK HEADLAMP AIMING MOTOR INPUT SIGNAL CIRCUIT
1. Turn ignition switch OFF, and lighting switch OFF.
2. Disconnect height sensor sub harness connector.
3. Check continuity between headlamp aiming motor RH harness
connector E28 terminal 2 (L/B) and height sensor sub harness
connector B142 terminal 6 (L/B).
4. Check continuity between headlamp aiming motor LH harness
connector E44 terminal 2 (L/B) and height sensor sub harness
connector B142 terminal 6 (L/B).
OK or NG
OK >> Replace height sensor, and initialize it. Refer to LT- 8 6 , "Removal and Installation of Height Sen-
sor" , LT- 7 0 , "WORK SUPPORT" .
NG >> Repair harness or connector.1 (R/L) – Ground : Battery voltage.
1 (R/L) – Ground : Battery voltage.
PKIC0971E
3 (B) – Ground : Continuity should exist.
3 (B) – Ground : Continuity should exist.
PKIC0972E
2 (L/B) – 6 (L/B) : Continuity should exist.
2 (L/B) – 6 (L/B) : Continuity should exist.
PKIC0558E

HEADLAMP AIMING CONTROL (AUTO)
LT-77
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Headlamp Aiming Motor Does Not Operate (One Side)EKS00N68
1. CHECK POWER SUPPLY CIRCUIT
1. Disconnect headlamp aiming motor connector which does not
operate.
2. Turn ignition switch ON.
3. Check voltage between headlamp aiming motor RH or LH har-
ness connector E28 or E44 terminal 1 (R/L) and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair harness or connector.
2. CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between headlamp aiming motor RH or LH
harness connector E28 or E44 terminal 3 (B) and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair harness or connector.
3. CHECK HEADLAMP AIMING MOTOR INPUT SIGNAL
1. Turn ignition switch ON.
2. Check voltage between headlamp aiming motor RH or LH har-
ness connector E28 or E44 terminal 2 (L/B) and ground.
OK or NG
OK >> Replace headlamp. Refer to LT- 2 1 , "Removal and
Installation of Headlamp" in “HEADLAMP - XENON
TYPE -”.
NG >> Repair harness or connector.1 (R/L) – Ground : Battery voltage.
PKIC0973E
3 (B) – Ground : Continuity should exist.
PKIC0972E
2 (L/B) – Ground : Approx. 5 - 10 V
PKIC0560E

LT-78
HEADLAMP AIMING CONTROL (AUTO)

DTC B2081 [INITIAL NOT DONE]EKS00N69
1. INITIALIZE HEIGHT SENSOR
1. Turn ignition switch OFF.
2. Set the vehicle in unladen condition. (Removal all loads in pas-
senger and trunk rooms.)
3. Turn ignition switch ON.
4. Select “HEAD LAMP LEVELIZER” on CONSULT-II, and select
“WORK SUPPORT” on “SELECT DIAG MODE” screen.
5. Select “SENSOR INITIALISE” on “SELECT WORK ITEM”
screen.
6. Touch “WRITE”.
7. When “INITIALISE COMPLETE” is indicated, touch “END”.
OK or NG
OK >> INSPECTION END
NG >>

When “INCORRECT CONDITION” is displayed, check connect CONSULT-II and height sensor
connector, and then initialize again. Refer to LT- 7 0 , "
WORK SUPPORT" .

When “INITIALISE NOT DONE“ is displayed, initialize again. If “ INITIALISE NOT DONE” is dis-
played again, replace height sensor and initialize it. Refer to LT- 8 6 , "
Removal and Installation of
Height Sensor" and LT- 7 0 , "WORK SUPPORT" .
PKIC0537E

LT-80
HEADLAMP AIMING CONTROL (AUTO)

2. CHECK INSTALLATION CONDITION OF HEIGHT SENSOR
Check height sensor and linkage for deformation or damage.
OK or NG
OK >> Replace height sensor, and initialize it. Refer to LT- 8 6 , "Removal and Installation of Height Sen-
sor" and LT- 7 0 , "WORK SUPPORT" .
NG >> Adjust height sensor, or replace height sensor, and initialize it. Refer to LT- 8 6 , "
Removal and
Installation of Height Sensor" and LT- 7 0 , "WORK SUPPORT" .
DTC B2084 [VOLTAGE UNDER LIMIT]EKS00N6C
1. CHECK HEIGHT SENSOR
1. Select “HEAD LAMP LEVELIZER” on CONSULT-II and “DATA
MONITOR” on “SELECT DIAG MODE” screen.
2. Check voltage on “INT SEN VOLT” screen.
OK or NG
OK >> Erase the self-diagnosis result and perform the self-
diagnosis again.

[B2084] is displayed again: Replace height sensor,
and initialize it. Refer to LT- 8 6 , "
Removal and Installa-
tion of Height Sensor" and LT- 7 0 , "WORK SUP-
PORT" .

NO DTC is displayed: INSPECTION END
NG >> GO TO 2.
2. CHECK HEIGHT SENSOR POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect height sensor sub harness connector.
3. Turn ignition switch ON.
4. Check voltage between height sensor sub harness connector
B142 terminal 2 (G) 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.INT SEN VOLT : Battery voltage.
PKIB7209E
2 (G) – Ground : Battery voltage.
PKIC0554E

HEADLAMP AIMING CONTROL (AUTO)
LT-81
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DTC B2085 [LOW BEAM SIG OPEN LINE]EKS00N6D
1. CHECK HEIGHT SENSOR
1. Select “HEAD LAMP LEVELIZER” on CONSULT-II and “DATA
MONITOR” on “SELECT DIAG MODE” screen.
2. Check voltage on “LIGHT SIGNAL” screen when lighting switch
OFF and 1ST position.
NOTE:
The height sensor performs the self-diagnosis to check the
open-circuit of the low-beam circuit.
OK or NG
OK >> Erase the self-diagnosis result and perform the self-diagnosis again.

[B2085] 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 TAIL LAMP RELAY SIGNAL
1. Turn ignition switch OFF.
2. Disconnect height sensor sub harness connector.
3. Turn ignition switch ON.
4. Lighting switch is turned 1ST position.
5. Check voltage between height sensor sub harness connector
B142 terminal 5 (R/L*
1 , LG/B*2 ) and ground.
*1: LHD models, *2: RHD models
OK or NG
OK >> Replace height sensor, and initialize it. Refer to LT- 8 6 , "Removal and Installation of Height Sen-
sor" and LT- 7 0 , "WORK SUPPORT" .
NG >> Repair harness or connector.
Item Condition Voltage
LIGHT SIGNALlighting switch OFF position 2V or less
lighting switch 1ST position 6V or more
PKIB7209E
5 (R/L*1 , LG/B*2 ) – Ground: Battery voltage.
PKIC0986E

HEADLAMP AIMING CONTROL (AUTO)
LT-83
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2. CHECK HEADLAMP LEVELIZER
1. Turn ignition switch OFF.
2. Disconnect headlamp aiming motor RH and LH connector.
3. Turn ignition switch ON.
4. Select “HEAD LAMP LEVELIZER” on CONSULT-II and “DATA
MONITOR” on “SELECT DIAG MODE” screen.
5. 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. Disconnect height sensor sub harness connector.
3. Check continuity 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.
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
6 (L/B) – Ground : Continuity should not exist.
PKIC0563E
PKIB7209E
PKIB7209E