Tài liệu hướng dẫn sửa chữa Hệ thống còi xe trên xe Toyota camry hybrid xv50 2012 2017 horn system còi xe. Cung cấp các thông tin cần thiết cho Kỹ thuật viên tiến hành chẩn đoán, sửa chữa chính xác, hiệu quả.
HORN – HORN SYSTEM HO–1 HORN SYSTEM PRECAUTION NOTICE: When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the cable is reconnected System Name See procedure SFI System IN-43 HO HO–2 HORN – HORN SYSTEM PARTS LOCATION STEERING PAD (STEERING PAD SWITCH) HO MAIN BODY ECU INSTRUMENT PANEL J/B LOW PITCHED HORN HIGH PITCHED HORN ENGINE ROOM R/B ENGINE ROOM J/B - HORN FUSE - HORN RELAY B131106E01 HO–3 HORN – HORN SYSTEM SYSTEM DIAGRAM Main Body ECU Instrument Panel J/B HORN 11 ID HORN 25 Spiral Cable FL MAIN Steering Pad Switch HORN II E18 HO HO a1 L Battery A4 Horn (Low) A3 Horn (High) Horn Switch B131104E06 HO–4 HORN – HORN SYSTEM PROBLEM SYMPTOMS TABLE HORN SYSTEM Symptom Horn does not sound See page HO-4 Horn relay HO-4 Steering pad switch RS-343 Spiral cable RS-358 Wire harness - Horn relay HO-4 Steering pad switch RS-343 Wire harness - Low pitched horn operates but high pitched horn does not operate High pitched horn HO-8 Wire harness - High pitched horn operates but low pitched horn does not operate Low pitched horn HO-6 Wire harness - Horn blows all the time HO Suspected Area HORN fuse HO–4 HORN – HORN RELAY HORN RELAY INSPECTION INSPECT FUSE (HORN) (a) Check the resistance of the HORN fuse Standard: Below Ω INSPECT HORN RELAY (a) Remove the engine room R/B and J/B (horn relay) (b) Measure the resistance according to the value(s) in the table below 1G HO 1B 1D 13 12 11 10 B131195E02 Standard resistance Tester Connection Condition Specified Condition 1G-1 - 1B-6 Always 10 kΩ or higher 1G-1 - 1B-6 When battery voltage is applied to terminals 1G1 and 1D-10 Below Ω HORN – LOW PITCHED HORN HO–5 LOW PITCHED HORN BODY ELECTRICAL HORN COMPONENTS 20 (204, 15) HO LOW PITCHED HORN ASSEMBLY FRONT BUMPER ASSEMBLY N*m (kgf*cm, ft.*lbf) : Specified torque B145881E01 HO–6 HORN – LOW PITCHED HORN REMOVAL REMOVE FRONT BUMPER ASSEMBLY (See page ET-3) REMOVE LOW PITCHED HORN ASSEMBLY (a) Disconnect the connector (b) Remove the bolt and the low pitched horn assembly E127994 INSPECTION HO INSPECT LOW PITCHED HORN (a) Apply battery voltage and check operation of the horn, as shown in the table below Standard Measurement Condition Battery positive (+) → Terminal Battery negative (-) → Body ground Specified Condition Horn sounds B068846E01 INSTALLATION E127994 INSTALL LOW PITCHED HORN ASSEMBLY (a) Install the low pitched horn assembly with the bolt Torque: 20 N*m (204 kgf*cm, 15 ft.*lbf) (b) Connect the connector INSTALL FRONT BUMPER ASSEMBLY (See page ET9) HORN – HIGH PITCHED HORN HO–7 HIGH PITCHED HORN BODY ELECTRICAL HORN COMPONENTS 20 (204, 15) HO HIGH PITCHED HORN ASSEMBLY FRONT BUMPER ASSEMBLY N*m (kgf*cm, ft.*lbf) : Specified torque B145880E01 HO–8 HORN – HIGH PITCHED HORN REMOVAL REMOVE FRONT BUMPER ASSEMBLY (See page ET-3) REMOVE HIGH PITCHED HORN ASSEMBLY (a) Disconnect the connector (b) Remove the bolt and the high pitched horn assembly E127995 INSPECTION HO INSPECT HIGH PITCHED HORN (a) Apply battery voltage and check operation of the horn, as shown in the table below Standard Measurement Condition Battery positive (+) → Terminal Battery negative (-) → Body ground Specified Condition Horn sounds B068846E01 INSTALLATION E127995 INSTALL HIGH PITCHED HORN ASSEMBLY (a) Install the high pitched horn assembly with the bolt Torque: 20 N*m (204 kgf*cm, 15 ft.*lbf) (b) Connect the connector INSTALL FRONT BUMPER ASSEMBLY (See page ET9)