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VTSS Test 6B - Horn Circuit Malfunction

NOTE: Perform VTSS TEST 6A  before proceeding with this test. For connector terminal identification, refer to CONNECTOR IDENTIFICATION  . For wiring diagrams, refer to WIRING DIAGRAMS  . Perform, after each repair, VERIFICATION TEST VER-1A - VERIFICATION PROCEDURE  .
CAUTION: Always turn ignition switch to OFF position prior to disconnecting or connecting any module connector.
  1. Replace horn fuse (Power Distribution Center (PDC) fuse No. 9). Depress horn button on steering wheel. Inspect horn fuse. If fuse is okay, system is currently functioning correctly. If fuse is blown, replace fuse and go to next step.
  2. Disconnect horns. Remove horn relay from PDC. See Figure in EXTERIOR LIGHT TEST 2A. Using scan tool in ohmmeter mode, measure resistance at terminal "D" on relay connector. If resistance is less than 5 ohms, repair Dark Green/Red wires between horns and relay for short to ground. If resistance is 5 ohms or greater, replace horns.
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