Inspection and verification
1. Check the validity of the customer's complaint by activating the system.
2. Visually inspect for obvious signs of mechanical and electrical damage.
Visual Inspection Table
|
Mechanical factors |
Electrical Factors |
|
– Executive device – Drive cable |
- Fuse (And) – wiring harness – Loose or corroded connector (s) – Switch (And) – Electric motor |
3. If an obvious cause of a problem that you identified or described by the customer is found, eliminate it before proceeding with further actions (if possible).
4. If the problem is not visually obvious, check the symptom and refer to the Symptom Chart.
Symptom table
|
State |
Possible Causes |
Action |
|
•Speed control system not working |
•Electrical circuit (And) • Brake pedal position switch (WRR) •Clutch pedal position switch (SRR) • Stoplight switch •Switch (And) speed control systems • Actuating device of the speed control system •Fuse (And) |
•Go to Pinpoint Test A. |
|
• The speed control system does not disengage when the brake pedal is applied. |
• Brake pedal position switch (WRR) •Electrical circuit |
•Go to Pinpoint Test B. |
|
• Switch failure - (COAST) |
• Switch - (COAST) •Electrical circuit |
•Go to Pinpoint Test C. |
|
•Switch failure = (RESUME) |
•Switch = (RESUME) •Electrical circuit |
•Go to Pinpoint test D. |
|
• The speed control system does not disengage when the clutch pedal is depressed. |
•Clutch pedal position switch (SRR) •Electrical circuit |
•Go to Pinpoint Test E. |
|
• OFF switch failure |
•Speed control system switch |
•Install a new speed control switch |
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