Keyfob Battery And Function

KEYFOB BATTERY AND FUNCTION





Description
The following functions are available when having and carrying the keyfob.
- Door lock/unlock
- Trunk open
Remote control entry function and panic alarm function are available when operating the remote buttons.




Component Function Check
1.CHECK FUNCTION
With CONSULT-III
Check remote keyless entry receiver RKE OPE COUN1 in Data Monitor mode with CONSULT-III.





Is the inspection result normal?
YES - Keyfob is OK.
NO - Keyfob Battery And Function.




Diagnosis Procedure
1.CHECK KEYFOB FUNCTION





Check keyfob function using Remote Keyless Entry Tester J-43241.
Does the test pass?
YES - Keyfob is OK.
NO - GO TO 2
2. CHECK KEYFOB COMPONENTS
1. Release the lock knob at the back of the keyfob and remove the mechanical key.





2. Insert a flat-blade screwdriver (A) wrapped with a cloth into the slit of the corner and twist it to separate the upper part from the lower part.

CAUTION:
- Do not touch the circuit board or battery terminal.
- The keyfob is water-resistant. However, if it does get wet, immediately wipe it dry.
3. Remove the keyfob battery.

CAUTION:
- Keep dirt, grease, and other foreign materials off the electrode contact area.
4. Visually inspect keyfob internal components.
Is the inspection result normal?
YES - GO TO 3
NO - Repair or replace malfunctioning parts.
3.CHECK KEYFOB BATTERY
Check by connecting a resistance (approximately 300Ohm(s)) so that the current value becomes about 10 mA.

Standard : Approx. 2.5 - 3.0V






Is the measurement value within specification?
YES - Keyfob battery is OK. Check remote keyless entry receiver. Coupe.
NO - GO TO 4
4. REPLACE KEYFOB BATTERY
1. Replace the keyfob battery.





2. Align the tips of the upper and lower parts, and then push them together until it is securely closed.

CAUTION:
- When replacing battery, keep dirt, grease, and other foreign materials off the electrode contact area.
3. After replacing the battery, check that all keyfob functions work properly.
Is the inspection result normal?
YES - Keyfob is OK.
NO - Check remote keyless entry receiver. Coupe.