Subaru Crosstrek Service Manual: Dtc b1402 immobilizer key collation

DTC DETECTING CONDITION:

• Incorrect immobilizer key (use of unregistered key in body integrated unit)

• Faulty antenna

• Communication failure between key and body integrated unit

1.CHECK DTC.

Read the DTC of the body integrated unit. Read Diagnostic Trouble Code (DTC)">

Is any of DTC B1410 or B1411 detected?

Perform the diagnosis according to the DTC.

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B1575 INCORRECT IMMOBILIZER KEY">

Dtc b1571 reference code incompatibility (immobilizer cm to ecm)

Dtc b1405 scu collation

Other materials:

Removal
LUBRICATION(H4DO) > Oil Pressure SwitchREMOVALCAUTION:If the engine oil is spilt over exhaust pipe or the under cover, wipe it off with cloth to avoid emitting smoke or causing a fire.1. Disconnect the ground cable from battery. NOTE">2. Remove the rubber cap.3. Disconnect the terminal f ...

Inspection
EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES)(H4DO) > PCV ValveINSPECTION1. PCV VALVE1. Check that the PCV valve has no deformation, cracks or other damages.2. Check that air is discharged from (B) when air is blown into (A).3. Check that air does not come out from (B) when air is blown into ( ...

Alarm system
The alarm system helps to protect your vehicle and valuables from theft. The horn sounds and the hazard warning flashers flash if someone attempts to break into your vehicle. For models with "keyless access with push-button start system": The system can be armed or disarmed with the keyles ...