Disconnect/Connect Procedures
NOTE:
Numbers and letters in text refer to numbers and letters in figures.
- Turn off ignition. Open engine hood. After opening vehicle wait at least 4 minutes before disconnecting battery or alarm will be triggered.
- Connect quiescent current retention unit, if necessary.
- Disconnect negative battery cable (1) and insulate cable lug to prevent unwanted contact with ground point (W16/4). See Fig 1 .
- To connect, reverse disconnect procedure. If quiescent current retention unit was not used, perform basic programming. See BASIC PROGRAMMING . After repairs, read DTC memory and erase trouble codes from memory. See RETRIEVING DIAGNOSTIC TROUBLE CODES under SELF-DIAGNOSTICS.