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LT-34
HEADLAMP - DAYTIME LIGHT SYSTEM -
Schematic
EKS00Q7I
MKWA3557E
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HEADLAMP - DAYTIME LIGHT SYSTEM -
LT-35
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Wiring Diagram — DTRL —EKS00Q7J
MKWA3558E
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LT-36
HEADLAMP - DAYTIME LIGHT SYSTEM -
MKWA3939E
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HEADLAMP - DAYTIME LIGHT SYSTEM -
LT-37
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MKWA3321E
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LT-38
HEADLAMP - DAYTIME LIGHT SYSTEM -
MKWA3561E
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HEADLAMP - DAYTIME LIGHT SYSTEM -
LT-39
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Terminals and Reference Values for BCMEKS00Q7K
Terminals and Reference Values for IPDM E/REKS00Q7L
Te r m i n a l
No.Wire
colorSignal nameMeasuring condition
Reference value
Ignition
switchOperation or condition
3 Y Ignition switch (ON) ON — Battery voltage
6 G Combination switch output 3 ONLighting, turn, wiper OFF
Wiper dial position 4
7 GR Combination switch output 4 ONLighting, turn, wiper OFF
Wiper dial position 4
8 LG Combination switch output 1 ONLighting, turn, wiper OFF
Wiper dial position 4
9 BR Combination switch output 2 ONLighting, turn, wiper OFF
Wiper dial position 4
10 O Combination switch output 5 ONLighting, turn, wiper OFF
Wiper dial position 4
21 P CAN-L—— —
22 L CAN-H—— —
36 P Combination switch input 5 ONLighting, turn, wiper OFF
Wiper dial position 4
Approx. 0V 37 L Combination switch input 2 ONLighting, turn, wiper OFF
Wiper dial position 4
38 V Combination switch input 3 ONLighting, turn, wiper OFF
Wiper dial position 4
39 SB Combination switch input 4 ONLighting, turn, wiper OFF
Wiper dial position 4
40 R Combination switch input 1 ONLighting, turn, wiper OFF
Wiper dial position 4
55 B Ground ON — Approx. 0V
57 W Battery power supply (fusible link) OFF — Battery voltage
PKIB4958J
Terminal
No.Wire
colorSignal nameMeasuring condition
Reference value
Ignition
switchOperation or condition
38 B Ground ON — Approx. 0V
39 L CAN-H—— —
40 P CAN-L—— —
52 P Headlamp low (LH) ONLighting switch
2ND positionOFF Approx. 0V
ON Battery voltage
54 R Headlamp low (RH) ONLighting switch
2ND positionOFF Approx. 0V
ON Battery voltage
55 G Headlamp high (LH) ONLighting switch
HIGH or PASS
positionOFF Approx. 0V
ON Battery voltage
56 L Headlamp high (RH) ONLighting switch
HIGH or PASS
positionOFF Approx. 0V
ON Battery voltage
59 B Ground ON — Approx. 0V
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LT-40
HEADLAMP - DAYTIME LIGHT SYSTEM -
How to Proceed With Trouble Diagnosis
EKS00Q7M
1. Confirm the symptom or customer complaint.
2. Understand operation description and function description. Refer toLT-31, "
System Description".
3. Perform the Preliminary Check. Refer toLT-40, "
Preliminary Check".
4. Check symptom and repair or replace the cause of malfunction.
5. Does the headlamp operate normally? If YES, GO TO 6. If NO, GO TO 4.
6. INSPECTION END
Preliminary CheckEKS00Q7N
CHECK POWER SUPPLY AND GROUND CIRCUIT
1.CHECK FUSES
Check for blown fuses or fusible link.
Refer toLT-35, "Wiring Diagram—DTRL—".
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer toPG-
4, "POWER SUPPLY ROUTING CIRCUIT".
Unit Power source Fuse and fusible link No.
BCMBattery G
Ignition switch ON or START position 1
IPDM E/R Battery34
35
40
41
52
53
Combination metreBattery 19
Ignition switch ON or START position 14
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HEADLAMP - DAYTIME LIGHT SYSTEM -
LT-41
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2.CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Check voltage between BCM harness connector and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair harness or connector.
3.CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
OK or NG
OK >> INSPECTION END
NG >> Repair harness or connector.
Terminal Ignition switch position
(+)
(-)OFFACCON
BCM
connectorTerminal
M42 3
GroundApprox. 0V Approx. 0VBattery
voltage
M44 57Battery
voltageBattery
voltageBattery
voltage
SKIB6233E
BCM connector Terminal
GroundContinuity
M44 55 Yes
SKIB6293E