Circuit/System Verification
- Ignition ON.
- Verify the scan tool Display Dimming parameter changes from 0% to 100% and the and the scan tool Dim Select Switch parameter changes from 1-12. while rotating the Head-Up Display dim select switch from the minimum to maximum positions.
- If scan tool parameters do not respond properly
Refer to Circuit/System Testing .
- If scan tool parameters respond properly
- If scan tool parameters do not respond properly
- All OK.