Interior Backlighting Does Not Dim

TEST DESCRIPTION

Steps 1-9:

Steps 10-21:

The numbers below refer to the step numbers on the diagnostic table.
9. Tests for the proper operation of the circuit in the high voltage range.
10. Tests for the proper operation of the circuit in the low voltage range. If the fuse in the jumper opens when you perform this test, the signal circuit is shorted to voltage.