Interior Room Lamp Control Circuit

INTERIOR ROOM LAMP CONTROL CIRCUIT

Description
Controls the following interior room lamps (ground side) by PWM signal
- Puddle lamps
- Front room/map lamp assembly
- Personal lamp 2nd row
- Personal lamp 3rd row

NOTE: PWM signal control period is approximately 250 Hz (in the gradual brightening/dimming).

Component Function Check

Step 1:

Diagnosis Procedure

Step 1-2:

Step 2 (Continued)-3: