Horn Switch: S2000
- Disable air bag systems. See AIR BAG RESTRAINT SYSTEMS article. Remove steering column covers. Disconnect instrument panel sub-harness 4-pin connector from cable reel. See Figure. Check continuity between ground and cable reel terminal No. 2 with horn switch in each position. Continuity should exist with horn switch depressed. If continuity exists, switch is okay. If continuity does not exist, go to next step.
- Remove driver's side air bag module. See AIR BAG RESTRAINT SYSTEMS article. Check continuity between cable reel connector terminal No. 2 and horn switch positive terminal. If continuity exists, replace horn switch. If continuity does not exist, check cruise control SET/RESUME/CANCEL switch. See CRUISE CONTROL SYSTEM - S2000 article. If SET/RESUME/CANCEL switch is okay, replace cable reel. See AIR BAG RESTRAINT SYSTEMS article.