Subaru Crosstrek manuals

Subaru Crosstrek Service Manual: Diagnostics with phenomenon Inspection

KEYLESS ACCESS WITH PUSH BUTTON START SYSTEM (DIAGNOSTICS) > Diagnostics with Phenomenon

INSPECTION

1. 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” provided as a separate volume.

STEPCHECKYESNO

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.

Diagnostics with Phenomenon > INSPECTION">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. Diagnostics with Phenomenon > INSPECTION">Go to Step 3.

Diagnostics with Phenomenon > INSPECTION">Go to Step 4.

3.CHECK ACCESS KEY.

Measure the battery voltage of the access key that does not operate.

Is the voltage 2.5 — 3.2 V?

Replace the access key.

Replace the battery.

4.CHECK DOOR LOCK.

Operate the driver’s center door lock switch.

Does the door lock operate?

Diagnostics with Phenomenon > INSPECTION">Go to Step 5.

Check the door lock control system. Door Lock Control System > INSPECTION">

5.CHECK HARNESS.

1) Disconnect the receiver connector (R296).

2) Using a tester, measure the resistance between receiver and chassis ground.

Connector & terminal

(R296) No. 1 — Chassis ground:

Is the resistance less than 10 ??

Diagnostics with Phenomenon > INSPECTION">Go to Step 6.

Repair or replace the open circuit of harness.

6.CHECK HARNESS.

1) Disconnect the keyless access CM connector.

2) 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 ??

Diagnostics with Phenomenon > INSPECTION">Go to Step 7.

Repair or replace the open circuit of harness.

7.CHECK RECEIVER.

Replace with a receiver that is operating normally. Receiver > REMOVAL">

When the front unlock sensor and the rear gate opener button are operated, does it lock/unlock?

Malfunction occurred in receiver.

Diagnostics with Phenomenon > INSPECTION">Go to Step 8.

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?

Diagnostics with Phenomenon > INSPECTION">Go to Step 9.

Check the keyless access CM power supply circuit.

9.CHECK HARNESS.

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 ??

Replace the keyless access CM. Keyless Access CM > REMOVAL">

Repair or replace the open circuit of harness.

2. CANNOT LOCK WITH KEYLESS ACCESS FROM THE DRIVER’S DOOR

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” provided as a separate volume.

STEPCHECKYESNO

1.CHECK DOOR LOCK SWITCH.

Check that the lock/unlock operates with the driver’s door lock switch.

Does it lock/unlock normally?

Diagnostics with Phenomenon > INSPECTION">Go to Step 2.

Check the door lock circuit. Door Lock Control System > INSPECTION">

2.CHECK CURRENT DATA.

1) Display the current data «Driver’s seat lock status SW input» of «Body Control» using Subaru Select Monitor. Read Current Data">

2) Read the data when locking/unlocking the driver’s side lock actuator.

Does the data change from ON/OFF?

Diagnostics with Phenomenon > INSPECTION">Go to Step 3.

Check the door lock switch circuit.

3.CHECK CURRENT DATA.

1) Display the current data «Driver’s lock touch sensor SW» of «Keyless Access with Push Button Start» using Subaru Select Monitor. Read Current Data">

2) Read the data when operating the touch sensor (lock) of the door outer handle.

Does the data change from ON/OFF according to the sensor operation?

Replace the keyless access CM. Keyless Access CM">

Diagnostics with Phenomenon > INSPECTION">Go to Step 4.

4.CHECK HARNESS.

1) Disconnect the keyless access CM connector.

2) Disconnect the front outer handle connector.

3) Using a tester, measure the resistance between the keyless access CM connector and front outer handle connector.

Connector & terminal

(B574) No. 20 — (D66) No. 1:

Is the resistance less than 1 ??

Diagnostics with Phenomenon > INSPECTION">Go to Step 5.

Repair or replace the open circuit of harness.

5.CHECK HARNESS.

Using a tester, measure the resistance between the keyless access CM connector and chassis ground, and between front outer handle connector and chassis ground.

Connector & terminal

(B574) No. 20 — Chassis ground:
(D66) No. 1 — Chassis ground:

Is the resistance 10 k? or more?

Diagnostics with Phenomenon > INSPECTION">Go to Step 6.

Repair or replace the short circuit of the harness.

6.REPLACE FRONT DOOR OUTER HANDLE.

Replace the driver’s side front outer handle with the passenger’s side front outer handle. Front Outer Handle > REMOVAL">

Does it operate properly?

Replace the driver’s front outer handle. Front Outer Handle > REMOVAL">

Replace the keyless access CM. Keyless Access CM">

3. CANNOT LOCK/UNLOCK WITH KEYLESS ACCESS FROM THE DRIVER’S DOOR

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” provided as a separate volume.

STEPCHECKYESNO

1.CHECK DOOR LOCK SWITCH.

Check that the lock/unlock operates with the driver’s door lock switch.

Does it lock/unlock normally?

Diagnostics with Phenomenon > INSPECTION">Go to Step 2.

Check the door lock circuit. Door Lock Control System > INSPECTION">

2.CHECK FUSE.

Check the fuse.

Is the fuse OK?

Diagnostics with Phenomenon > INSPECTION">Go to Step 3.

Replace the fuse.

3.CHECK HARNESS.

1) Disconnect the keyless access CM connector.

2) Disconnect the front outer handle connector.

3) Using a tester, measure the resistance between the keyless access CM connector and front outer handle connector, and between front outer handle connector and chassis ground.

Connector & terminal

(B574) No. 12 — (D66) No. 6:
(B574) No. 13 — (D66) No. 3:
(B574) No. 19 — (D66) No. 5:
(D66) No. 2 — Chassis ground:

Is the resistance less than 1 ??

Diagnostics with Phenomenon > INSPECTION">Go to Step 4.

Repair or replace the open circuit of harness.

4.CHECK HARNESS.

Using a tester, measure the resistance between the keyless access CM connector and chassis ground, and between front outer handle connector and chassis ground.

Connector & terminal

(B574) No. 12 — Chassis ground:
(D66) No. 6 — Chassis ground:
(B574) No. 13 — Chassis ground:
(D66) No. 3 — Chassis ground:

Is the resistance 10 k? or more?

Diagnostics with Phenomenon > INSPECTION">Go to Step 5.

Repair or replace the short circuit of the harness.

5.CHECK KEYLESS ACCESS CM.

1) Connect the keyless access CM connector.

2) Turn the ignition switch to OFF, close all doors and take the access key out of passenger room.

3) Use the Subaru Select Monitor, measure the waveform between the keyless access CM connectors.

Connector & terminal

(D66) No. 6 — (D66) No. 3:

Does pulse output change from pulse output OFF > pulse output ON by the lock operation using access key?

Diagnostics with Phenomenon > INSPECTION">Go to Step 6.

Replace the keyless access CM. Keyless Access CM">

6.REPLACE FRONT DOOR OUTER HANDLE.

Replace the driver’s side front outer handle with the passenger’s side front outer handle. Front Outer Handle > REMOVAL">

Does it operate properly?

Replace the driver’s front outer handle. Front Outer Handle">

Replace the keyless access CM. Keyless Access CM">

4. CANNOT UNLOCK WITH KEYLESS ACCESS FROM THE DRIVER’S DOOR

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” provided as a separate volume.

STEPCHECKYESNO

1.CHECK DOOR LOCK SWITCH.

Check that the lock/unlock operates with the driver’s door lock switch.

Does it lock/unlock normally?

Diagnostics with Phenomenon > INSPECTION">Go to Step 2.

Check the door lock circuit. Door Lock Control System > INSPECTION">

2.CHECK CURRENT DATA.

1) Display the current data «Driver’s seat lock status SW input» of «Body Control» using Subaru Select Monitor. Read Current Data">

2) Read the data when locking/unlocking the driver’s side lock actuator.

Does the data change from ON/OFF?

Diagnostics with Phenomenon > INSPECTION">Go to Step 3.

Check the door lock switch circuit.

3.CHECK CURRENT DATA.

1) Display the current data «Driver’s unlock touch sensor switch» of «Keyless Access with Push Button Start» using Subaru Select Monitor. Read Current Data">

2) Read the data when operating the touch sensor (unlock) of the door outer handle.

Does the data change from ON/OFF according to the sensor operation?

Replace the keyless access CM. Keyless Access CM">

Diagnostics with Phenomenon > INSPECTION">Go to Step 4.

4.CHECK HARNESS.

1) Disconnect the keyless access CM connector.

2) Disconnect the front outer handle connector.

3) Using a tester, measure the resistance between the keyless access CM connector and front outer handle connector.

Connector & terminal

(B574) No. 22 — (D66) No. 4:

Is the resistance less than 1 ??

Diagnostics with Phenomenon > INSPECTION">Go to Step 5.

Repair or replace the open circuit of harness.

5.CHECK HARNESS.

Using a tester, measure the resistance between the keyless access CM connector and chassis ground, and between front outer handle connector and chassis ground.

Connector & terminal

(B574) No. 22 — Chassis ground:
(D66) No. 4 — Chassis ground:

Is the resistance 10 k? or more?

Diagnostics with Phenomenon > INSPECTION">Go to Step 6.

Repair or replace the short circuit of the harness.

6.REPLACE FRONT DOOR OUTER HANDLE.

Replace the driver’s side front outer handle with the passenger’s side front outer handle. Front Outer Handle > REMOVAL">

Does it operate properly?

Replace the driver’s front outer handle. Front Outer Handle > REMOVAL">

Replace the keyless access CM. Keyless Access CM">

5. CANNOT LOCK WITH KEYLESS ACCESS FROM THE PASSENGER’S DOOR

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” provided as a separate volume.

STEPCHECKYESNO

1.CHECK DOOR LOCK SWITCH.

Check that the lock/unlock operates with the driver’s door lock switch.

Does it lock/unlock normally?

Diagnostics with Phenomenon > INSPECTION">Go to Step 2.

Check the door lock circuit. Door Lock Control System > INSPECTION">

2.CHECK CURRENT DATA.

1) Display the current data «Passenger’s seat lock status SW input» of «Body Control» using Subaru Select Monitor. Read Current Data">

2) Read the data when locking/unlocking the passenger’s side lock actuator.

Does the data change from ON/OFF?

Diagnostics with Phenomenon > INSPECTION">Go to Step 3.

Check the door lock switch circuit.

3.CHECK CURRENT DATA.

1) Display the current data «Passenger’s lock touch sensor SW» of «Keyless Access with Push Button Start» using Subaru Select Monitor. Read Current Data">

2) Read the data when operating the touch sensor (lock) of the door outer handle.

Does the data change from ON/OFF according to the sensor operation?

Replace the keyless access CM. Keyless Access CM">

Diagnostics with Phenomenon > INSPECTION">Go to Step 4.

4.CHECK HARNESS.

1) Disconnect the keyless access CM connector.

2) Disconnect the front outer handle connector.

3) Using a tester, measure the resistance between the keyless access CM connector and front outer handle connector.

Connector & terminal

(B574) No. 8 — (D56) No. 1:

Is the resistance less than 1 ??

Diagnostics with Phenomenon > INSPECTION">Go to Step 5.

Repair or replace the open circuit of harness.

5.CHECK HARNESS.

Using a tester, measure the resistance between the keyless access CM connector and chass

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