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LT-62
AUTO LIGHT SYSTEM
Trouble Diagnosis Chart by Symptom
EKS00Q86
Lighting Switch InspectionEKS00Q87
1.CHECK LIGHTING SWITCH INPUT SIGNAL
With CONSULT-II
1. Select “BCM” on CONSULT-II.
2. Select “HEAD LAMP” on “SELECT TEST ITEM” screen.Then
select “DATA MONITOR” on “SELECT DIAG MODE” screen.
3. Make sure “AUTO LIGHT SW” turns ON-OFF linked with opera-
tion of lighting switch.
Without CONSULT-II
Refer toLT- 11 8 , "
Combination Switch Inspection".
OK or NG
OK >> INSPECTION END
NG >> Check lighting switch. Refer toLT- 11 8 , "
Combination Switch Inspection".
RR FOG LAMP Allows rear fog lamp to operate by switching ON-OFF.
FR FOG LAMP Allows front fog lamp relay to operate by switching ON-OFF.Test item Description
Trouble phenomenon Malfunction system and reference
lParking lamps and headlamps will not illuminate when out-
side of the vehicle becomes dark. (Lighting switch 1st posi-
tion and 2nd position operate normally.)
lParking lamps and headlamp will not go out when outside of
the vehicle becomes light. (Lighting switch 1ST position and
2nd position operate normally.)
lHeadlamps go out when outside of the vehicle becomes
light, but parking lamps stay on.
lRefer toLT- 6 0 , "WORK SUPPORT".
lRefer toLT- 11 8 , "Combination Switch Inspection".
lRefer toLT- 6 3 , "Light and Rain Sensor System Inspection".
If above systems are normal, replace BCM. Refer toBCS-17,
"Removal and Installation of BCM".
Parking lamps illuminate when outside of the vehicle becomes
dark, but headlamps stay off. (Lighting switch 1ST position
and 2nd position operate normally.)
lRefer toLT- 6 0 , "WORK SUPPORT".
lRefer toLT- 6 3 , "Light and Rain Sensor System Inspection".
If above systems are normal, replace BCM. Refer toBCS-17,
"Removal and Installation of BCM".
Auto light adjustment system will not operate. (Lighting switch
AUTO, 1ST position and 2ND position operate normally.)
lRefer toLT- 6 3 , "Light and Rain Sensor System Inspection".
If above system is normal, replace BCM. Refer toBCS-17, "
Removal
and Installation of BCM".
Auto light adjustment system will not operate.
lCAN communication line to BCM inspection. Refer toBCS-16,
"CAN Communication Inspection Using CONSULT-II (Self-Diagno-
sis)".
Shut off delay feature will not operate.
lCAN communication line inspection between BCM and combina-
tion meter. Refer toBCS-16, "
CAN Communication Inspection
Using CONSULT-II (Self-Diagnosis)".
lRefer toBL-39, "Check Door Switch".
If above system is normal, replace BCM. Refer toBCS-17, "
Removal
and Installation of BCM".
When lighting switch is in
AUTO position: AUTO LIGHT SW ON
PKIA6344E
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AUTO LIGHT SYSTEM
LT-63
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Light and Rain Sensor System InspectionEKS00Q88
1.CHECK LIGHT AND RAIN SENSOR INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Turn ignition switch ON.
4. Check waveform between BCM harness connector and ground.
OK or NG
OK >> INSPECTION END
NG >> GO TO 2.
2.CHECK LIGHT AND RAIN SENSOR SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect light and rain sensor connector.
3. Check continuity between BCM harness connector (A) and light
and rain sensor harness connector (B).
4. Check continuity between BCM harness connector (A) and
ground.
OK or NG
OK >> GO TO 3.
NG >> Repair harness or connector.
Terminal
Condition Voltage (+)
(-)
BCM
connectorTerminal
M42 24 GroundIgnition
switchON
OFF Battery voltage
SKIB6405E
PKIC1618E
AB
Continuity
Connector Terminal Connector Terminal
M42 24 R3 2 Yes
A
GroundContinuity
Connector Terminal
M42 24 No
PKIC1377E
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LT-64
AUTO LIGHT SYSTEM
3.CHECK LIGHT AND RAIN SENSOR SIGNAL GROUND CIRCUIT
Check continuity between light and rain sensor harness connector
and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair harness or connector.
4.CHECK LIGHT AND RAIN SENSOR POWER CIRCUIT (2)
1. Check continuity between BCM harness connector (A) and light
and rain sensor harness connector (B).
2. Check continuity between BCM harness connector (A) and
ground.
OK or NG
OK >> GO TO 5.
NG >> Repair harness or connector.
5.CHECK LIGHT AND RAIN SENSOR POWER CIRCUIT (1)
1. Connect BCM connector.
2. Turn ignition switch ON.
3. Check voltage between light and rain sensor harness connector
and ground.
OK or NG
OK >> Replace light and rain sensor. Refer toLT-65, "Removal
and Installation of Light and Rain Sensor".
NG >> Replace BCM. Refer toBCS-17, "
Removal and Installation of BCM".
Light and rain
sensor connectorTerminal
GroundContinuity
R3 3 Yes
PKIC1375E
AB
Continuity
Connector Terminal Connector Terminal
M43 42 R3 1 Yes
A
GroundContinuity
Connector Terminal
M43 42 No
PKIC1376E
Terminal
Voltage (+)
(-)
Light and rain sensor
connectorTe r m i n a l
R3 1 Ground Battery voltage
SKIB6406E
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AUTO LIGHT SYSTEM
LT-65
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Removal and Installation of Light and Rain SensorEKS00Q89
CAUTION:
When light and rain sensor is removed from windscreen, gel/adhesive part of housing should not be
re-used.
REMOVAL
1. Remove light and rain sensor cover (1).
2. Remove metal clip (A).
3. Remove light and rain sensor (2).
4. Disconnect light and rain sensor connector.
5. Remove plastic clip (B).
6. Remove housing (3) of light and rain sensor.
CAUTION:
Don't touch the electronic circuit board.
INSTALLATION
Installation is the reverse order of removal.
CAUTION:
lDon't touch gel/adhesive.
lSurface of windscreen should be cleaned.
PKIC2539E
: Always replace after every
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LT-66
HEADLAMP AIMING CONTROL (MANUAL)
HEADLAMP AIMING CONTROL (MANUAL)
PFP:25190
SchematicEKS00P39
MKWA3668E
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HEADLAMP AIMING CONTROL (MANUAL)
LT-67
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Wiring Diagram — H/AIM —EKS00PCK
MKWA3566E
Page 2151 of 3171
LT-68
HEADLAMP AIMING CONTROL (MANUAL)
MKWA3567E
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HEADLAMP AIMING CONTROL (MANUAL)
LT-69
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MKWA3568E