Set speed will not resume when the resume/accel switch is pressed (with the cruise control main switch turned on and set speed temporarily canceled by pressing the brake pedal)

Diagnostic procedure

1. Check for PGM-FI and body DTCs.
2. Check the brake pedal position switch adjustment.
3. Check the No. 13 (20 A) fuse in the under-hood fuse/relay box, and the No. 18 (15 A) fuse in the under-dash fuse/relay box.
4. Do the cruise control input test.
5. Test the cruise control resume/accel switch signal input.
6. Test the brake pedal position switch signal input.
7. Do the cruise control combination switch test.

Also check for

- Open circuit, loose or disconnected terminals: LT GRN
- Faulty brake pedal position switch