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HEADLAMP (FOR CANADA) - DAYTIME LIGHT SYSTEM - LT-59 C D E F G H I J L M A B LT Terminals and Reference Value for BCM AKS004D1 Terminals and Reference Value for Daytime Light Control Unit AKS004T0 Terminal No. Wire color Item Measuring condition Reference value Ignition switch Operation or condition 3 R/L Tail lamp signal ON Lighting switch: 1st ON Battery voltage OFF Approx. 0V 5 W/PU Headlamp relay control signal ON Lighting switch: Light is applied to optical Battery voltage Light is not applied to opti- Approx. 0V 11 LG/B Tail lamp relay control signal ON Light switch: Light is applied to optical Battery voltage Light is not applied to opti- Approx. 0V 14 Y/L Lighting switch AUTO signal ON Lighting switch AUTO Approx. 0V OFF Approx. 8V 17 BR/Y Data link RX — — — 18 P Data link TX — — — 30 PU Communication signal TX — — — 31 LG Communication signal RX — — — 37 LG Front door switch OFF Front door switch ON (open) Approx. 0V OFF (close) Battery voltage 52 G/R Auto light sensor signal ON Light is applied to optical sensor. 3V or more Light is not applied to optical sensor. Approx. 0V 56 B Ground — — Approx. 0V 58 Y/B Auto light sensor ground ON — Approx. 0V 59 SB Auto light sensor power supply ON — 5V or more 60 L/OR Ignition switch ACC or ON ACC — Battery voltage 68 W/B Ignition switch ON or START ON — Battery voltage 105 Y/L Battery power supply OFF — Battery voltage 113 B Ground — — Approx. 0V 135 Y/G RAP output signal OFF When headlamp battery saver timer is operated. Approx. 0V 142 R/Y Front door switch (Driver side) OFF Front door switch ON (open) Approx. 0V OFF (close) Battery voltage Terminal No. Wire color Item Condition Reference value 1 W/R Alternator When turning ignition switch to “ON” Approx. 0V When engine is running Battery voltage When turning ignition switch to “OFF” and “ACC” Approx. 0V 2 SB Ignition switch START When turning ignition switch to “START” Battery voltage When turning ignition switch to “ON” from “START” Approx. 0V When turning ignition switch to “OFF” and “ACC” Approx. 0V |