Hospitality Lighting Power Supply Circuit 2

HOSPITALITY LIGHTING POWER SUPPLY CIRCUIT 2

Description

Total illumination control unit provides the following lamps power supply according to the battery saver signal from BCM.
- Puddle lamp
- Mood lamp (front door armrest)


Diagnosis Procedure


CAUTION:
Check the following circuit first if the other room lamps (Map lamp, personal lamps, foot lamps, each illumination, etc.) are not turned ON.
- Power supply and ground circuit of total illumination control unit: Total Illumination Control Unit.
- Battery saver signal circuit: Battery Saver Signal Circuit.

1. CHECK HOSPITALITY LIGHTING POWER SUPPLY 2 OUTPUT

CONSULT ACTIVE TEST
1.Turn ignition switch ON.
2.Select "BATTERY SAVER" of BCM (BATTERY SAVER) active test item.
3.While operating the test item, check voltage between total illumination control unit harness connector and ground.





Is the measurement value normal?
YES- GO TO 2.
NO- GO TO 3.

2. CHECK HOSPITALITY LIGHTING POWER SUPPLY 2 CIRCUIT FOR OPEN

1.Turn ignition switch OFF.
2.Disconnect the following connectors.
-Total illumination control unit
-Door mirror (driver side)
-Door mirror (passenger side)
-Mood lamp (front door armrest LH)
-Mood lamp (front door armrest RH)
3.Check continuity between total illumination control unit harness connector and each lamp harness connectors.





Does continuity exist?
YES- Hospitality lighting power supply 2 circuit is normal.
NO- Repair the harnesses or connectors.

3. CHECK HOSPITALITY LIGHTING POWER SUPPLY 2 CIRCUIT FOR SHORT

Check continuity between total illumination control unit harness connector and ground.





Does continuity exist?
YES- Repair the harnesses or connectors.
NO- Replace the total illumination control unit.