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.
ACC activation indicator does not go off (2014 2015)
ACC activation indicator does not go off
- Gauge control module operation check
-1. Do the gauge control module self-diagnostic function.
Is the gauge control module OK?
YES
Go to step 2.
NO
- ACC combination switch check
-1. Test the ACC combination switch.
Is the switch OK?
YES
Go to step 3.
NO
Replace the ACC combination switch - Refer to: ACC Combination Switch Removal, Installation, and Test (2014 2015), or ACC Combination Switch Removal, Installation, and Test (2016 2017 2018 2019 2020) .
- Open wire check (CRUISE SW line)
-1. Disconnect the following connector.
ACC combination switch 16P connector - 2. Turn the vehicle to the ON mode.
- 3. Measure the voltage between test points 1 and 2.
Test condition Vehicle ON mode ACC combination switch 16P connector: disconnected Test circuit CRUISE SW Test point 1 ACC combination switch 16P connector No. 11 (YEL) Test point 2 Body ground Is there about 5 V?
YES
The CRUISE SW wire is OK. Repair an open in the CRUISE SW GND wire between the ACC combination switch and the gauge control module.
NO
Repair an open in the CRUISE SW wire between the ACC combination switch and the gauge control module.
NO RELATED
Use the Manual With the Right Hardware
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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.