Headlight Adjuster Unit Troubleshooting

1.	Remove the inner fender.

2.	Disconnect the 3P connector (A) from the headlight adjuster unit (B).

3.	Check for continuity between the No. 1 terminal and body ground. Is there continuity? YES - Go to 4. NO - Check for these problems:n Repair open in the BLK wire between the headlight adjuster unit and body ground. Poor ground (G201, G301).

4.	Check for voltage between the No. 3 terminal and body ground. Is there battery voltage? YES - Go to 5. NO - Repair open in the YEL wire between the headlight adjuster unit and under-dash fuse/relay box.n

5.

Using an ohmmeter, measure resistance between the No. 2 terminal and body ground in position 0 of the headlight adjuster switch. Is there about 730 W? YES - Check for frozen, stuck or improperly installed the headlight adjuster unit. If the mechanical check is OK, replace the headlight adjuster unit.n NO - Check for these problems:n Poor ground (G401). An open in the BLU/BLK wire between the headlight adjuster unit and headlight adjuster switch. A faulty headlight adjuster switch.