Antitheft and Alarm Systems: Service Precautions
General DescriptionCAUTION
- Before disassembling or reassembling parts, always disconnect the battery ground cable from battery.
When replacing the audio, control module and other parts provided with memory functions, record the memory contents before disconnecting the battery ground cable. Otherwise, the memory is cleared.
- Reassemble the parts in the reverse order of disassembly procedure unless otherwise indicated.
- Connect the connectors securely during reassembly.
- After reassembly, make sure that the functional parts operate normally.
- If any immobilizer related part has been replaced, make sure to register the immobilizer.
- Do not use any electrical test equipment on the airbag system wiring harnesses and connector circuits.
- Be careful not to damage the airbag system wiring harness when servicing the ignition key cylinder.