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POWER DOOR LOCK SYSTEM BL-41 C D E F G H J K L M A B BL Revision: 2004 November 2004 Murano Check Key Switch AIS003C6 1. CHECK KEY SWITCH INPUT SIGNAL With CONSULT-II Check ignition key switch “IGN ON SW” in “DATA MONITOR” mode with CONSULT-II. ● When key is inserted in ignition key cylinder ● When key is removed from ignition key cylinder Without CONSULT-II Check voltage between BCM connector and ground. OK or NG OK >> Key switch circuit is OK. NG >> GO TO 2. 2. CHECK KEY SWITCH Check continuity between key switch connector M28 terminals 3 and 4. OK or NG OK >> GO TO 3. NG >> Replace key switch. KEY ON SW : ON KEY ON SW : OFF PIIA6470E Connector Terminal (Wire color) Condition Voltage [V] (Approx.) (+) (–) M34 37 (B/R) Ground Key is removed from ignition key cylinder. 0 Key is inserted in ignition key cylinder. Battery voltage PIIA6471E Terminal Condition Continuity 3 4 Key is removed from ignition key cylinder. No Key is inserted in ignition key cylinder. Yes PIIA3044E |