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LT-140 INTERIOR ROOM LAMP Terminals and Reference Values for BCM NKS002PQ CAUTION: ● Check combination switch system terminal waveform under the loaded condition with lighting ● Turn wiper dial position to 4 except when checking waveform or voltage of wiper dial position. . Terminal No. Wire color Signal name Measuring condition Reference value Ignition switch Operation or condition 1 PU Ignition keyhole illumi- OFF Door is locked. (SW OFF) Battery voltage Door is unlocked. (SW ON) Approx. 0 V 12 P Passenger side door OFF Passenger side ON (open) Approx. 0 V OFF (closed) Battery voltage 22 Y Power window switch — — 37 B/P Key-in detection OFF Vehicle key is removed. Approx. 0 V Vehicle key is inserted. Battery voltage 38 W/L Ignition power supply ON — Battery voltage 39 L CAN −
H — — — 40 P CAN −
L — — — 41 R/B Battery saver output OFF 30 minutes after ignition switch is turned to Approx. 0 V ON — Battery voltage 42 GY Battery power supply OFF — Battery voltage 47 Y/PU Step lamp signal OFF Any door is open (ON) Approx. 0 V All doors are closed (OFF) Battery voltage 48 PU/R Map lamp output sig- OFF Map lamp switch: Any ON (open) Approx. 0 V OFF (closed) Battery voltage 52 B Ground ON — Approx. 0 V 55 W/R Battery power supply OFF — Battery voltage 57 R Trunk room lamp OFF Trunk room lamp ON (open) Approx. 0 V OFF (closed) Battery voltage 62 Y Driver side door switch OFF Driver side door ON (open) Approx. 0 V OFF (closed) Battery voltage 64 R/W Trunk room lamp sig- OFF Trunk room lamp ON (open) Approx. 0 V OFF (closed) Battery voltage PIIA2344J |