Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc b2781 steering lock cm control circuit

Subaru Legacy BN/BS (2015-2019) Service Manual / Keyless access with push button start system (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc) / 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.

TROUBLE SYMPTOM:

• The steering lock cannot be released.

• Engine will not start.

CAUTION:

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

NOTE:

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

STEP	CHECK	YES	NO
1.CHECK DTC. Read 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

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Other materials:

Specification
ItemSpecificationsVehicle modelCVTMTStarterTypeReduction typeModelM000T38571ZCM000T33176ZCManufacturerMitsubishi ElectricVoltage and output12 V — 1.2 kW12 V — 1.0 kWDirection of rotationCounterclockwise (when observed from pinion)Number of pinion teeth98Armature commutator runoutStandard0.05 mm ...