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SEC-26 < DTC/CIRCUIT DIAGNOSIS > [INTELLIGENT KEY SYSTEM] VEHICLE SECURITY HORN VEHICLE SECURITY HORN Description INFOID:0000000009163771 Perform answer-back for each operation with horn. Diagnosis Procedure INFOID:0000000009163773 1. CHECK FUSE 1. Turn ignition switch OFF. 2. Check that the following fuse are not fusing. - 10A fuse [No.10 located in fuse block (J/B)] Is the inspection result normal? YES >> GO TO 2. NO >> Replace the blown fuse after repairing the affected circuit if a fuse is blown. 2. CHECK HORN RELAY 2 POWER SUPPLY 1. Disconnect horn relay 2 connector. 2. Check voltage between horn relay 2 connector and ground. Is the inspection result normal? YES >> GO TO 3. NO >> Check horn relay 2 power supply circuit. 3. CHECK VEHICLE SECURITY HORN POWER SUPPLY 1. Connect horn relay 2 connector. 2. Turn ignition switch ON. 3. Perform “ACTIVE TEST” (“HORN”) with CONSULT. 4. Check voltage between vehicle security horn connector and ground. Is the inspection result normal? YES >> GO TO 4. NO >> GO TO 5. 4. CHECK VEHICLE SECURITY HORN GROUND 1. Turn ignition switch OFF. 2. Disconnect vehicle security horn connector. 3. Check continuity between vehicle security horn connector and ground. Is the inspection result normal? YES >> Replace vehicle security horn. NO >> Repair or replace harness. 5. CHECK HORN RELAY 2 CIRCUIT Horn relay 2 Ground Voltage (V) (Approx.) Connector Terminal E18 1 Battery voltage Vehicle security horn Ground Test item Voltage (V) (Approx.) Connector Terminal E32 1 HORN ON Battery voltage → 0 →
Battery voltage Other than above Battery voltage Vehicle security horn Ground Continuity Connector Terminal E33 2 Existed |