FX50 AWD V8-5.0L (VK50VE) (2009)
Map Light: Testing and Inspection
Map Lamp Switch Circuit
Component Function Check
MAP LAMP SWITCH CIRCUIT
Component Function Check
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 See: Diagnosis Procedure.
Diagnosis Procedure
MAP LAMP SWITCH CIRCUIT
Diagnosis Procedure
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 harness connector and ground.
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 harness connector and ground.