Headlamp Alignment Control Module: Description and Operation

System Description
The headlamp aiming operation is controlled by the headlamp aiming switch.

Power is supplied at all times.
- to tail lamp relay terminals 1 and 3
- through 10 A fuse (No. 61, located in fuse and fusible link box), and
- to smart entrance control unit terminal 49
- through 7.5 A fuse [No. 24, located in the fuse block (J/B)].

When lighting switch is in 1ST or 2ND position, ground is supplied
- to tail lamp relay terminal 2 from smart entrance control unit terminals 19 and 57.
- through smart entrance control unit terminals 20 and 58 and
- through lighting switch terminals 11 and 5, and
- through body grounds E13 and E41 and then tail lamp relay is energized.

When auto light operation is performed, ground is supplied
- to tail lamp relay terminal 2 from smart entrance control unit terminals 19 and 57.
- through smart entrance control unit terminal 23 and
- through lighting switch terminals 42 and 8, and
- through body grounds E13 and E41. and then tail lamp relay is energized.

When tail lamp relay is energized, power is supplied
- from tail lamp relay terminal 5
- to terminal 1 of each headlamp aiming motor.

Ground is supplied
- to terminal 3 of each headlamp aiming motor
- through body grounds E13 and E41,
- to terminal 2 of each headlamp aiming motor
- through headlamp aiming switch and body grounds E13 and E41.

With power and ground supplied, headlamp aiming motors operate according to the aiming switch position.