Description
The auto light control system operates by using the auto light switch.
If you set the multi-function switch to "AUTO" position, the tail lamp and head lamp will be turned automatically on or off according to external illumination.
Scheme 42
- While operating the auto light switch, check if the operations are normal as shown in the timing chart.
- If operations are abnormal, check the body control module. AUTO LIGHT SENSOR value is always read at IGN1 ON. LIGHT is turned ON after 2.5sec±0.2sec when AUTO LIGHT SENSOR value is same as LIGHT ON input value. LIGHT is turned OFF after 2.5sec±0.2sec when SENSOR value is same as LIGHT OFF input value. Tail Lamp Signal & H/LAMP signal is output when HEAD LAMP OUTPUT is ON. When HEAD LAMP is turned OFF, HEAD LAMP signal output is immediately stopped if Tail switch off condition is met at AUTO LIGHT SW ON. When it's HEAD LAMP ON furniture condition at movement in AUTO SW ON location at HEAD LAMP SW ON location, HEAD LAMP output is maintained with the pear which is carelessly. The case that HEAD LAMP twinkles and isn't when moving SW during HEAD LAMP ON operation to the HEAD LAMP SW location at the AUTO location by AUTO LIGHT. TAIL AND HEAD LAMP REFERENCE CHART Tail Lamp Head Lamp ON 0.81V±0.08V Same as tail sensor value OFF 1.41V±0.10V Same as tail sensor value T1 : 12s ± 1s T2 : 12s ± 1s