Inspection and verification
1. Check the validity of the customer's complaint.
2. Check visually for obvious signs of mechanical or electrical damage.
Visual inspection table
|
Mechanical factors |
Electrical factors |
|
– Damaged switch(es) |
– Fuse(s) - Wiring harness – Electrical connector(s) – Electric motor(s) – Switch(es) |
3. If an obvious cause for a reported or received complaint is found, correct that cause (if possible) before moving on to the next step.
4. If the cause of the complaint is not obvious, clarify the symptom of the malfunction and go to the Table of Symptoms of Malfunctions
Table of signs of malfunctions
|
State |
Possible Causes |
Action |
|
•Power seat not working |
•Seat control switch. |
•PERFORM seat control switch component check. REFER to Wiring Diagrams. |
|
•Electrical circuit(s). •Electric motor(s). |
• Proceed to PINPOINT TEST A. |
|
|
•Heated seat does not work |
•Seat heating switch(es). |
•PERFORM seat heating switch component check. REFER to Wiring Diagrams. |
|
•Electrical circuit(s). |
• Proceed to PINPOINT TEST B. |
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