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HORN SEC-89 < DTC/CIRCUIT DIAGNOSIS > C D E F G H I J L M A B SEC N O P 1. Turn ignition switch OFF. 2. Disconnect IPDM E/R and horn relay connector. 3. Check continuity between IPDM E/R harness connector E17 (A) terminal 44 and horn relay harness connector H1 (B) terminal 1. 4. Check continuity between IPDM E/R harness connector E17 (A) terminal 44 and ground. Is the inspection result normal? YES >> GO TO 4 NO >> Repair or replace harness. 4. CHECK INTERMITTENT INCIDENT GI-41, "Intermittent Incident" . Is the inspection result normal? YES >> Replace IPDM E/R. Refer to PCS-35, "Removal and Installation" . NO >> Repair or replace the malfunctioning part. IPDM E/R Horn relay Continuity Connector Terminal Connector Terminal A: E17 44 B: H-1 1 Yes IPDM E/R Ground Continuity Connector Terminal A: E17 44 Ground No ALKIA0425ZZ |