Subaru Crosstrek manuals

Subaru Crosstrek Service Manual: Dtc b278d id code box judgment circuit

KEYLESS ACCESS WITH PUSH BUTTON START SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)

DTC B278D ID CODE BOX JUDGMENT CIRCUIT

DTC detecting condition:

When ID code box setting is set to OFF, ID code box ON input is detected.

When ID code box setting is set to OFF, ID code box LIN signal is received.

Trouble symptom:

Engine will not start.

CAUTION:

For replacement procedure of keyless access CM, refer to the “REGISTRATION MANUAL FOR IMMOBILIZER” provided as a separate volume.

Wiring diagram:

Push button start system Push Button Start System > WIRING DIAGRAM">

STEPCHECKYESNO

1.CHECK DTC.

1) Turn the ignition switch to OFF.

2) Using the Subaru Select Monitor, clear the memory of «Keyless Access with Push Button Start». Clear Memory Mode">

3) Turn the ignition switch to OFF > ON.

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

Is DTC B278D displayed?

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B278D ID CODE BOX JUDGMENT CIRCUIT">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 HARNESS.

1) Disconnect the keyless access CM connector.

2) Measure the resistance between keyless access CM connector and chassis ground.

Connector & terminal

(B573) No. 15 — Chassis ground:

Is the resistance 10 k? or more?

Replace the keyless access CM. Keyless Access CM">

Repair or replace the short circuit of the harness.

Dtc b278a push engine switch power supply circuit
KEYLESS ACCESS WITH PUSH BUTTON START SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC B278A PUSH ENGINE SWITCH POWER SUPPLY CIRCUITDTC detecting condition:When the ...

Dtc b27a1 driver side external antenna open
KEYLESS ACCESS WITH PUSH BUTTON START SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC B27A1 DRIVER SIDE EXTERNAL ANTENNA OPENDTC detecting condition:When open circ ...

Other materials:

Lifetime fuel consumption resetting
1. Perform the preparation steps according to "Preparation for initialization" 2. Operate the " " or " " switch to select the "Lifetime Fuel Consumption Resetting" item. Then push the button. 3. The system will prompt a Yes/No dialogue ("No" is selected first). To reset the lifetim ...

Component
CONTROL SYSTEMS > General DescriptionCOMPONENT1. AT SELECT LEVER(1)Grip sub ASSY (model with gate shifter)(14)Spacer pin guide(27)Nut(2)Clamp grip pin(15)Plate COMPL(28)Button ASSY-AT(3)Cover grip AT (model with gate shifter)(16)Shaft control(29)Housing(4)Rod COMPL(17)Spacer pin guide(30)Blind A ...

Cvt control system Wiring diagram
WIRING SYSTEM > CVT Control SystemWIRING DIAGRAM ...

© 2016-2024 Copyright www.sucross.com