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.
Keyfob Battery and Function Check
- CHECK KEYFOB BATTERY
- Remove keyfob battery. Refer to "KEYFOB BATTERY REPLACEMENT ".
- Measure voltage between battery positive and negative terminals, (+) and (-).
Voltage : 2.5 - 3.0V
NOTE: Keyfob does not function if battery is not set correctly.
OK or NG
OK: GO TO 2.
NG: Replace battery.
- CHECK KEYFOB FUNCTION
With CONSULT-III
Check keyfob function in "DATA MONITOR" mode with CONSULT-III.
When pushing each button of keyfob, the corresponding monitor item should be turned as follows.
DATA MONITORCondition Monitor item Pushing LOCK KEYLESS LOCK : ON Pushing UNLOCK KEYLESS UNLOCK : ON Keep pushing UNLOCK RKE KEEP UNLK after UNLOCK button is pushed for 3 seconds. : ON Pushing PANIC KEYLESS PANIC : ON Pushing LOCK and UNLOCK at the same time RKE LCK-UNLCK : ON Pushing TRUNK KEYLESS TRUNK : ON Without CONSULT-III
Check keyfob function using Remote Keyless Entry Tester J-43241.
OK or NG
OK: WITH CONSULT-III: Keyfob, remote keyless entry receiver and wiring harness between BCM and remote keyless entry receiver are OK. Replace BCM. Refer to "REMOVAL AND INSTALLATION OF BCM ".
OK: WITHOUT CONSULT-III: Keyfob is OK. Further inspection is necessary. Refer to "TROUBLE DIAGNOSIS SYMPTOM CHART ".
NG: WITH CONSULT-III: Further inspection is necessary. Refer to "TROUBLE DIAGNOSIS SYMPTOM CHART ".
NG: WITHOUT CONSULT-III: Replace keyfob. Refer to "ID CODE ENTRY PROCEDURE ".
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.
