Subaru Crosstrek Service Manual: Dtc b14eb intake door actuator stuck

DTC detecting condition:

• Intake door actuator is locked.

• The potentiometer value of the actuator does not change.

1.CHECK CONNECTOR.

1) Check the condition of connector connection.

2) Read the DTC using Subaru Select Monitor. Read Diagnostic Trouble Code (DTC)">

Is B14EB displayed?

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B14EB INTAKE DOOR ACTUATOR STUCK">Go to Step 2.

Even if DTC is displayed, the circuit has returned to a normal condition at this time. Reproduce the failure, and then perform the diagnosis again.

NOTE:

In this case, temporary poor contact of connector, temporary open or short circuit of harness may be the cause.

2.CHECK SYSTEM OPERATION.

Using the Subaru Select Monitor, change the setting of “Fresh/Rec Air Dr Act Trgt Open Angle” from Air Conditioning Diagnosis and perform the active test.

Did the actuator move to the specified target opening angle?

Intake door actuator circuit is normal.

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B14EB INTAKE DOOR ACTUATOR STUCK">Go to Step 3.

3.CHECK HARNESS.

1) Turn the ignition switch to ON.

2) Using the tester, measure the voltage between terminals.

Connector & terminal

(B163) No. 4 (+) — No. 6 (−):

Is the voltage 4.5 — 5.0 V?

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B14EB INTAKE DOOR ACTUATOR STUCK">Go to Step 4.

Repair or replace the open circuit of harness.

4.CHECK HARNESS (OPEN CIRCUIT).

1) Disconnect the connector from the A/C control panel.

2) Using a tester, check continuity between terminals.

Connector & terminal

(B163) No. 1 — (i88) No. 8:
(B163) No. 2 — (i88) No. 6:
(B163) No. 4 — (i88) No. 10:
(B163) No. 5 — (i88) No. 12:
(B163) No. 6 — (i88) No. 14:

Is there continuity?

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B14EB INTAKE DOOR ACTUATOR STUCK">Go to Step 5.

Repair or replace the open circuit of harness.

5.CHECK INTAKE DOOR ACTUATOR.

Check the intake door actuator parts.

Is the actuator normal?

Replace the A/C control panel. Control Panel > REMOVAL">

Replace the actuator. FRESH/RECIRC Door Actuator > REMOVAL">

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