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INL-64 < DTC/CIRCUIT DIAGNOSIS > MAP LAMP SWITCH CIRCUIT MAP LAMP SWITCH CIRCUIT Component Function Check INFOID:0000000005245606 1. CHECK MAP LAMP SWITCH SIGNAL BY CONSULT-III CONSULT-III DATA MONITOR 1. Turn ignition switch ON. 2. Select “MAP LAMP SW” of TOTAL ILLUM C/U data monitor item. 3. While operating the map lamp main switch, check the monitor status. Is the item status normal? YES >> Map lamp main switch circuit is normal. NO >> Refer to . Diagnosis Procedure INFOID:0000000005245607 1. CHECK MAP LAMP SWITCH SIGNAL INPUT 1. Turn ignition switch ON. 2. While operating the map lamp main switch, check the voltage between the total illumination control unit Is the measurement value normal? YES >> Replace the total illumination control unit. NO >> GO TO 2. 2. CHECK MAP LAMP MAIN SWITCH 1. Turn ignition switch OFF. 2. Disconnect total illumination control unit connector. 3. While operating the map lamp main switch, check continuity between the total illumination control unit Monitor item Condition Monitor status MAP LAMP SW Map lamp main switch DOOR Door ON All On OFF Off Terminals Condition Voltage (Approx.) (+) ( − ) Total illumination control unit Ground Map lamp main switch Connector Terminal M129 26 DOOR 0 V OFF or ALL ON 5 V 27 ALL ON 0 V OFF or DOOR 5 V |