Test E: One or More Illumination Source(s) Is Inoperative

PINPOINT TEST E: ONE OR MORE ILLUMINATION SOURCE(S) IS INOPERATIVE

E1-E4:

E4-E6:

E6-E9:

E9-E11:

E12-E13:

Normal Operation
Variable voltage is supplied to the illumination source(s) from the instrument panel dimmer switch on circuit 19 (LB/RD). The headlamp, four-wheel drive and fog lamp switches are grounded through circuit 57 (BK). The speed control switches are grounded through circuit 570 (BK/WH).

Possible Causes
- circuit 19 (LB/RD) open
- circuit 57 (BK) open
- circuit 570 (BK/WH) open
- headlamp switch
- four-wheel drive switch
- fog lamp switch
- speed control switch(es)
- steering wheel control switch harness
- clockspring