• Before disconnecting connectors of sensors or units, be sure to disconnect the ground cable from battery. When replacing the electrical parts provided with memory functions that store contents specified by a customer, record the memory contents before disconnecting the battery ground cable. • If any immobilizer related part has been replaced, make sure to register the immobilizer. • 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 “VDC sensor midpoint setting mode” of the VDC. VDC Control Module and Hydraulic Control Unit (VDCCM&H/U) > ADJUSTMENT |
Preparation tool
ComponentDtc b2a08 sos button circuit
DIAGNOSIS START CONDITION:When ignition switch is ON.DTC DETECTING CONDITION:The following conditions occur for at least 50 ms.• SOS button impedance is more than 10 k-.• SOS button is stuck for at least 60 seconds.TROUBLE SYMPTOM:• SOS function cannot be used.• RED LED illum ...