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• to IPDM E/R terminal 56,
• through 10A fuse (No. 34, located in IPDM E/R) and
• through both de-energized headlamp high relays
• to 10A fuse (No. 35, located in IPDM E/R),
• through IPDM E/R terminal 55
• to front combination lamp LH terminal high beam 1.
Ground is supplied
• to front combination lamp LH terminal 2
• through grounds E15 and E24,
• to daytime light relay 1 terminal 1
• through IPDM E/R terminal 6.
With power and ground supplied, high beam headlamps illuminate at reduced intensity.
COMBINATION SWITCH READING FUNCTION Refer to BCS-3, " System Description " .
EXTERIOR LAMP BATTERY SAVER CONTROL Refer to LT-73, " System Description " .
CAN Communication System Description INFOID:0000000004306543
Refer to LAN-8, " System Description " .
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Wiring Diagram - DTRL -
INFOID:0000000004306545 B
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Terminal and Reference Value for BCM "
Terminal and Reference Value for IPDM E/R " .
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How to Perform Trouble Diagnosis
INFOID:0000000004306548
1. Confirm the symptom or customer complaint.
2. Understand operation, description and function description. Refer to LT-25, " System Description " .
3. Perform the Preliminary Check. Refer to LT-33, " Preliminary Check " .
4. Check symptom and repair or replace the cause of the malfunction.
5. Does the daytime light system operate norma lly? If YES, GO TO 6. If NO, GO TO 4.
6. INSPECTION END
Preliminary Check INFOID:0000000004306549
CHECK BCM CONFIGURATION Configuration " .
OK or NG OK >> Continue preliminary check. Refer to
BCS-15, " BCM Power Supply and Ground Circuit Inspec-
tion " .
NG >> Change BCM configuration for "DTRL" to "WITH". Refer to BCS-18, " Configuration " .
CHECK POWER SUPPLY AND GROUND CIRCUIT FOR BCM Refer to BCS-15, " BCM Power Supply and Ground Circuit Inspection " .
CHECK POWER SUPPLY AND GROUND CIRCUIT FOR IPDM E/R Refer to PG-26, " IPDM E/R Power/Ground Circuit Inspection " .
CONSULT-III Function (BCM) INFOID:0000000004306550
Refer to LT-11, " CONSULT-III Function (BCM) " .
CONSULT-III Function (IPDM E/R) INFOID:0000000004306551
Refer to LT-12, " CONSULT-III Function (IPDM E/R) " .
Daytime Light Control Does Not Operate Properly (High Beam Headlamps Operate
Properly) INFOID:0000000004306552OK >> GO TO 2.
NG >> Repair harness. OK >> GO TO 3.
NG >> Repair harness or connector.
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OK >> GO TO 4.
NG >> Replace daytime light relay 1. OK >> GO TO 6.
NG >> GO TO 5. NO DTC>>Replace BCM. Refer to
BCS-18, " Removal and Installation of BCM " .
CAN COMM CIRCUIT>> Check BCM CAN communication system. Refer to LAN-17, " Trouble Diagnosis
Flow Chart " .
OK >> Replace the IPDM E/R. Refer to
PG-27, " Removal and
Installation of IPDM E/R " .
NG >> Repair harness or connector. 3 - 5 : Continuity should exist.