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.
Keyless Access LF Antenna Function Test
NOTICE:
Before you troubleshoot, review the How to Troubleshoot .
Before testing, check for DTCs. If any DTCs are indicated, troubleshoot the indicated DTCs first.
Exterior LF Antenna Test
2. Turn the vehicle to the ON mode.
3. Select KEYLESS ACCESS CONTROL UNIT from the ONE-PUSH START system select menu with the HDS.
4. Select the SELF CHECK and if any malfunction is found, troubleshoot it first.Select the FUNCTIONAL TESTS, and do the antenna driving test by checking the transmitting areas between the LF antenna and the keyless remote.
- Functional Tests cannot operate at the same time, check the LF antennas one at a time.
- Test the transmitting area at about 90 cm (35.4 in) height from the ground.
- The LED will blink when the keyless remote is within the shaded areas.
- Perform the HDS function test to active each exterior antenna.
Interior LF Antenna Test
2. Turn the vehicle to the ON mode.
3. Select KEYLESS ACCESS CONTROL UNIT from the ONE-PUSH START system select menu with the HDS.
4. Select the SELF CHECK and if any malfunction is found, troubleshoot it first.Select the FUNCTIONAL TESTS, and do the antenna driving test by checking the transmitting areas between the LF antenna and the keyless remote (except on the dashboard, in the glove box, door pockets, console box, and other enclosed areas).
- Functional Tests cannot operate at the same time, check the LF antennas one at a time.
- The LED will blink when the keyless remote is within the shaded areas.
- Perform the HDS function test to active each interior antenna.
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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.