Set speed will not resume when the RES/ACCEL button is pressed (with the cruise control master button 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. 18 (15 A) fuse in the under-dash fuse/relay box.
4. Do the cruise control input test.
5. Do the cruise control combination switch test.

Also check for

- Open circuit, loose or disconnected terminals: BRN/BLK-BLK wire
- Faulty brake pedal position switch