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Horn Sounds Continuously

PINPOINT TEST 2 - HORN SOUND CONTINUOUSLY

PINPOINT TEST 2 HORN SOUNDS CONTINUOUSLY
STEP INSPECTION ACTION
1 CHECK HORN CIRCUIT Y/LG FOR SHORT TO POWER
  • Key OFF.
  • Disconnect SJB connector J-2280a.
  • Does the horn continue to sound? 
Yes Repair Y/LG wire. Test the system for normal operation.
No Reconnect SJB connector J-2280a. Go to step 2.
2 CHECK SJB FOR INTERNAL FAULTS
  • Key OFF.
  • Disconnect SJB connector J-2280d.
  • Does the horn continue to sound? 
Yes Replace the SJB. See SMART JUNCTION BOX (SJB) REMOVAL/INSTALLATION . Test the system for normal operation.
No Go to step 3.
3 CHECK CIRCUIT DL FOR A SHORT TO GROUND
  • Disconnect air bag sliding contact 0922-202.
  • Does the horn continue to sound? 
Yes Repair DL wire. Test the system for normal operation.
No Go to step 4.
4 CHECK AIR BAG SLIDING CONTACT FOR A SHORT TO GROUND
Yes Install a new air bag sliding contact. See AIR BAG SLIDING CONTACT (CLOCKSPRING) REMOVAL/INSTALLATION . Test the system for normal operation.
No Replace the horn switch. See HORN SWITCH REMOVAL/INSTALLATION . Test the system for normal operation.