Diagnostic Procedure 4
WARNING: This page is about a different car, the 2006 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
VEHICLE SECURITY HORN ALARM CHECK
- CHECK HORN OPERATION
Check if horn sounds with horn switch.
Does horn operate?
Yes: Check harness for open or short between IPDM E/R and horn relay.
No: Check horn circuit. Refer to "HORN ".