Horn System: General Description: Caution

When performing service operation, refer to "Repair Contents" in "General Description". Refer to REPAIR CONTENTS>REPAIR CONTENTS .
Before performing vehicle maintenance, turn the ignition switch to OFF and disconnect the ground terminal from the battery sensor. Refer to REPAIR CONTENTS>NOTE>BATTERY .
When replacing the parts provided with memory functions, record the memory contents before disconnecting the ground terminal from the battery sensor.
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".
- Be careful not to damage the airbag system wiring harness when servicing the electrical parts around the steering column. Refer to AIRBAG SYSTEM>General Description>CAUTION .
When removing, installing or replacing the VDC CM&H/U, VDC CM&H/U bracket, steering wheel or steering angle sensor, perform "VDC sensor midpoint setting mode" of the VDC. Refer to VEHICLE DYNAMICS CONTROL (VDC)>VDC Control Module and Hydraulic Control Unit (VDCCM&H/U)>ADJUSTMENT .