Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Back Light, LCD, Switch Light Check
2004 Acura TL AutomaticSECTION Back Light, LCD, Switch Light Check
Turn the combination light switch ON.
- Turn on the LCD back light.
- Turn on all LCD segments.
- Brings screen to full bright (with navigation).
- A beep sound is heard when pressing any climate control button (with navigation).
If the display panel control unit fails to complete any of the functions of the self-diagnostic function, go to the display panel control unit input test (see DISPLAY AND CONTROL UNIT INPUT TEST ).
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.