Keyless Access Lock/Unlock Cannot Be Performed From Any Of The Doors
- 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" provided as a separate volume. Contact an authorized Subaru Dealership.
- 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?
- Yes : Check the exterior antenna, oscillator, touch sensor, lock/unlock buttons.
- No : Go to 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?
- Yes : Check the access key that does not operate. Go to 3.
- No : Go to 4.
- CHECK ACCESS KEY.
Measure the battery voltage of the access key that does not operate.
Is the voltage 2.5 - 3.2 V?
- Yes : Replace the access key.
- No : Replace the battery.
- CHECK DOOR LOCK.
Operate the driver's center door lock switch.
Does the door lock operate?
- Yes : Go to 5.
- No : Check the door lock control system. Ref. to SECURITY AND LOCKS>Door Lock Control System>INSPECTION .
- CHECK HARNESS (OPEN CIRCUIT).
- Disconnect the receiver connector (R296).
- Using a tester, measure the resistance between receiver and chassis ground.
Connector & terminal
(R296) No. 1 - Chassis ground:
Is the resistance less than 10 Ω?
- Yes : Go to 6.
- No : Repair or replace the open circuit of harness.
- CHECK HARNESS (OPEN CIRCUIT).
- Disconnect the keyless access CM connector.
- Using a tester, measure the resistance between receiver and keyless access CM.
Connector & terminal
(R296) No. 4 - (B573) No. 5:
(R296) No. 5 - (B573) No. 17:
(R296) No. 2 - (B573) No. 19:
Is the resistance less than 10 Ω?
- Yes : Go to 7.
- No : Repair or replace the open circuit of harness.
- CHECK RECEIVER.
Replace with a receiver that is operating normally. Ref. to SECURITY AND LOCKS>Receiver>REMOVAL .
When the front unlock sensor and the rear gate opener button are operated, does it lock/unlock?
- Yes : Malfunction occurred in receiver.
- No : Go to 8.
- CHECK HARNESS.
Using a tester, measure the voltage between the keyless access CM connector 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?
- Yes : Go to 9.
- No : Check the keyless access CM power supply circuit.
- CHECK HARNESS (OPEN CIRCUIT).
Using a tester, measure the resistance between the keyless access CM connector and chassis ground.
Connector & terminal
(B572) No. 11 - Chassis ground:
Is the resistance less than 10 Ω?
- Yes : Replace the keyless access CM. Ref. to SECURITY AND LOCKS>Keyless Access CM>REMOVAL .
- No : Repair or replace the open circuit of harness.