Inspection and Verification
- IV1: VISUAL INSPECTION
Verify the customer concern.
Visually inspect the electronic power assist steering (EPAS) system for obvious signs of mechanical or electrical damage.
NOTE: When inspecting the bellows boots make sure to use a strong light source and an inspection mirror.
VISUAL INSPECTION CHART
| Mechanical | Electrical |
|---|---|
| Binding or misaligned steering column. | High-current battery junction box BJB fuse A (100A) (attached to battery positive terminal) |
| Loose steering column shaft bolts. | Battery junction box (BJB) fuse 45 (5A) |
| Steering column shaft couplings/U-joints | Wiring, terminals or connectors. |
| Steering gear | |
| Steering gear bellows boots | |
| Inner tie rod ends | |
| Outer tie rod ends | |
| Tire pressure | |
| Tires |
Is an obvious cause for an observed or reported concern found?
| Yes | No |
|---|---|
| REPAIR as necessary. | Go to Known Concerns |
- IV2: CONCERN ISOLATION
Was a damaged steering gear bellows boot identified during the visual inspection?
| Yes | No |
|---|---|
| Go to IV3. | REPAIR the concern identified during the visual inspection. |
- IV3: ISOLATE THE DAMAGED BOOT(S) AS THE CONCERN
Review the repair order and verify there are no customer concerns (such as a message on the message center or NVH steering system concern) in addition to the damaged boot(s).
Are any other customer concerns present?
| Yes | NO |
|---|---|
| Make note of the damaged boot(s). Go to Known Concerns After diagnosis is complete, if a new EPAS gear or bellows boot has not been installed, GO to Pinpoint Test K: Damaged Steering Gear Bellows Boots . | GO to Pinpoint Test K: Damaged Steering Gear Bellows Boots . |