Inspection and verification
1. Check the validity of the customer's complaint by activating the system.
2. Perform a visual check for obvious mechanical or electrical damage.
Visual Inspection Table
|
Mechanical factors |
Electrical Factors |
|
– Damaged horn (s) |
– Blown fuse – Relay – Damaged wiring harness – Loose or corroded plug connector (s) |
3. If an obvious cause for a complaint noted or described by the customer is found, resolve it before proceeding to the next steps (if possible).
4. If the cause of the problem is not obvious, check the symptom and refer to the Symptom Chart.
Symptom table
|
State |
Possible Causes |
Action |
|
•Beep sounds continuously |
•Electrical circuit. • The relay of a sound signal. • The switch of a sound signal. |
• Go to PINPOINT TEST A. |
|
•Beep does not sound |
• Fuse 7 (40 A). • Fuse 34 (15 A). •Electrical circuit. • The relay of a sound signal. • The switch of a sound signal. •Sound signal (s). |
• Go to PINPOINT TEST B. |
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