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 E (100A), attached to the battery positive terminal
Loose steering column shaft bolts.	Battery Junction Box (BJB) fuse 89 (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:
Go to IV2.	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 .	GO to PINPOINT TEST K .