Diagnostic Tests: Notes
WARNING: This page is about a different car, the 2003 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Failure to follow service precautions may cause accidental air bag deployment. Personal injury may result. Read and carefully follow all warnings and service precautions, before working on air bag system component or related components. See AIR BAG SAFETY PRECAUTIONS . After component replacement, check system operation. See SYSTEM OPERATION CHECK .
CAUTION:
Disconnecting negative battery cable with ignition switch in ON or ACC position can damage air bag sensor. Air bag sensor failure may result. Ensure ignition switch is in LOCK position before disconnecting or connecting negative battery cable.
Probing directly on connector terminals and through air bag system wiring insulation can cause damage to air bag electrical system. Air bag system malfunction may result. To prevent damage to connector terminals and wiring when testing, backprobe terminals (probe terminal where wire enters harness connector).
Probing directly on connector terminals and through air bag system wiring insulation can cause damage to air bag electrical system. Air bag system malfunction may result. To prevent damage to connector terminals and wiring when testing, backprobe terminals (probe terminal where wire enters harness connector).
NOTE:
In the following tests, the term squib connector and module connector may be used interchangeably.