Subaru Crosstrek Service Manual: Caution
COMMUNICATION SYSTEM > General Description
CAUTION
• Before disconnecting connectors of sensors or units, be sure to disconnect the ground cable from battery.
• When replacing the audio and MFD parts provided with memory functions, record the memory contents before disconnecting the battery ground cable.
• Be careful of the following items. Failing to do so may cause the airbag system malfunction.
– Yellow connectors and harnesses with yellow tapes around them are the connectors and harnesses for the airbag system. When using a tester on these circuits, follow the cautions of “AIRBAG SYSTEM”. General Description > CAUTION">
– Be careful not to damage the airbag system wiring harness when servicing the electrical parts around the steering column.
• When removing, installing or replacing the VDCCM&H/U, VDCCM&H/U bracket, steering wheel or steering angle sensor (steering roll connector), perform “VSC(VDC) Centering Mode” of the VDC. VDC Control Module and Hydraulic Control Unit (VDCCM&H/U) > ADJUSTMENT">
Preparation tool
COMMUNICATION SYSTEM > General DescriptionPREPARATION TOOL1. GENERAL TOOLTOOL NAMEREMARKSCircuit testerUsed for measuring resistance, voltage and current. ...
Other materials:
Dtc b1406 scu_eeprom
IMMOBILIZER (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC B1406 SCU_EEPROMDTC DETECTING CONDITION:• Defective security control module• ROM of security control module cannot be accessedCAUTION:When the security control module is replaced, registration of th ...
Inspection
TELEMATICS SYSTEM (DIAGNOSTICS) > Subaru Select MonitorINSPECTION1. COMMUNICATION FOR INITIALIZING IMPOSSIBLEWhen communication with DCM is impossibleDetecting condition:• Defective harness connector• Power supply circuit malfunction• Defective DCM• Defective CAN communica ...
Electrical specification
OCCUPANT DETECTION SYSTEM (DIAGNOSTICS) > Control Module I/O SignalELECTRICAL SPECIFICATIONCAUTION:Never remove the occupant detection control module, occupant detection sensor or seat frame because they are integrated into one unit.Terminal No.Terminal nameInput/Output valueNote1Airbag CM commun ...
