Special tool
 | Digital Multimeter 105-R0051 or equivalent |
 | Electrical Probe Kit 29-011A |
Inspection and verification
1. Check the customer complaint.
2. Perform a visual inspection for obvious signs of mechanical or electrical damage.
Visual inspection table
Electrical factors:
- Fuse Box(s)
- Lamp(s)
- Electrical connector(s)
- Wiring harness
3. If an obvious cause for the problem you have identified or the customer has described is found, correct it (if possible) before proceeding with further actions.
4. If the problem is not visually obvious, check the symptom and refer to the Symptom Table.
Table of signs of malfunction
|
State |
Possible Causes |
Action |
|
•Fog lights do not work |
•Electrical circuit(s) •Fuse box •Light switch |
• Proceed to the AQ PINPOINT TEST |
|
•Front fog lights do not work |
•Electrical circuit(s) •Light switch |
• Go to AR PINPOINT TEST |
|
•Rear fog lights do not work |
•Electrical circuit(s) •Light switch |
• Proceed to PINPOINT TEST AS |
|
•Individual fog light/lamp(s) not working |
•Electrical circuit(s) •Fog light/lamp •Rear fog light/tail light assembly |
• Proceed to PINPOINT TEST AT |
|
•Front fog lights are always on |
•Electrical circuit(s) •Light switch |
• Go to PINPOINT TEST AU |
|
•Rear fog lights are always on |
•Electrical circuit(s) •Light switch |
• Proceed to AV PINPOINT TEST |
|
•Fog lights always on - vehicles with front fog lights |
•Light switch. |
•INSTALL a new light switch. Check that the system is operating properly. |