Keyless Access Lock/Unlock Cannot Be Performed From Any Of The Doors
CAUTION:
- Check that there are no other registered access keys inside the vehicle.
- Inspect LAN system according to the basic diagnostic procedure, and make sure that there is no fault.
- Check that the keyless access function is not stopped.
- When the access key or keyless access CM is replaced, registration of the immobilizer is required. For the relevant procedures, refer to the "REGISTRATION MANUAL FOR IMMOBILIZER".
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK OPERATION OF KEYLESS DOOR LOCK. Using the keyless function of the access key, check the operation of the door lock. |
Does it lock/unlock normally? | Check the exterior antenna, oscillator, touch sensor, lock/unlock buttons. | Go to step 2 . |
| 2 CHECK ACCESS KEY. Check for whether lock and unlock is possible with the registered access key. |
Is there any access key which can lock/unlock when the touch sensor is operated? | Check the access key that does not operate. | Go to step 3 . |
| 3 CHECK DOOR LOCK. Operate the driver's center door lock switch. |
Does the door lock operate? | Go to step 4 . | Check the door lock control system. < Refer to INSPECTION , Door Lock Control System. > |
| 4 CHECK RECEIVER. Replace with a receiver that is operating normally. < Refer to REMOVAL , Receiver. > |
When the front unlock sensor, the trunk opener or the rear gate opener button is operated, does it lock/unlock? | Malfunction occurred in receiver. | Go to step 5 . |
5 CHECK HARNESS.
|
Is the resistance less than 10 Ω? | Go to step 6 . | Repair or replace the open circuit of harness. |
6 CHECK HARNESS.
|
Is the resistance less than 10 Ω? | Go to step 7 . | Repair or replace the open circuit of harness. |
| 7 CHECK HARNESS. Using a tester, measure the voltage between the keyless access CM and chassis ground. Connector & terminal (B572) No. 2 (+) - Chassis ground (-): |
Is the voltage 10 V or more when the ignition switch is turned to ON? | Go to step 8 . | Check the keyless access CM power supply circuit. |
| 8 CHECK HARNESS. Using a tester, measure the resistance between the keyless access CM and chassis ground. Connector & terminal (B572) No. 11 - Chassis ground: |
Is the resistance less than 10 Ω? | Replace the keyless access CM. < Refer to KEYLESS ACCESS CM . > | Repair or replace the open circuit of harness. |