Subaru Crosstrek Service Manual: Dtc b2781 steering lock cm control circuit

DTC DETECTING CONDITION:

• When malfunction is detected in lock/unlock position detection sensor.

• When the open or short circuit in the steering lock motor drive circuit is detected.

• The steering lock cannot be released.

• Engine will not start.

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

When all ECMs connected to collation system LIN bus cannot communicate with the keyless access CM, DTC B2785 is output.

1.CHECK DTC.

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

Is DTC B2785 displayed?

Perform the diagnosis according to DTC. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2785 LIN COMMUNICATION">

Replace the steering lock CM. Steering Lock CM">

Dtc b2779 remote control engine starter collation

Dtc b2782 steering lock drive request signal correlation

Other materials:

Installation
SECURITY AND LOCKS > Starter Cut RelayINSTALLATIONCAUTION:Before handling the airbag system components, refer to “CAUTION” of “General Description” in “AIRBAG SYSTEM”. General Description > CAUTION">Install each part in the reverse order of removal. ...

Operation
INSTRUMENTATION/DRIVER INFO > Combination Meter SystemOPERATION1. SELF-DIAGNOSIS DISPLAY MODEThe self-diagnosis (checking of each meter, warning light, indicator light, illumination, LCD/TFT) of combination meter can be performed in the following procedure.1. ProcedureCAUTION:Perform the steps de ...

How to read wiring diagrams
WIRING SYSTEM > Basic Diagnostic ProcedureHOW TO READ WIRING DIAGRAMS1. WIRING DIAGRAMThe wiring diagram of each system is illustrated so that you can understand the path through which the electric current flows from the battery.Sketches and codes are used in the diagrams. They should read as fol ...