Warning Light Flashes 3 Times
- Measure battery voltage. If voltage is less than 9 volts, charge battery. If battery voltage is okay, check fuses/relays in order given in FUSE/RELAY LOCATION table. See Fig 1 or Fig 2 .
- If fuses and relays are okay, disable air bag system. See DISABLING & ACTIVATING AIR BAG SYSTEM. Ensure back-up battery connector is properly connected. If connection is okay, disconnect back-up battery connector.
- Reconnect negative battery cable. Measure voltage between Green/Red wire of back-up battery connector and ground. See Fig 3 or Fig 4 . If voltage is zero volt, replace wire harness assembly.
- If battery voltage is present, disconnect negative battery cable and diagnostic module Black and Gray connectors. See Fig 5 or Fig 6 . Reconnect negative battery cable. Measure voltage between White/Green wire of Gray diagnostic module connector and ground. If voltage is zero volt, replace wire harness assembly.
- If battery voltage is present, measure voltage between Green/Yellow wire of Gray diagnostic module connector and ground. If voltage is zero volt, replace wire harness assembly. If battery voltage is present, replace diagnostic module.
FUSE/RELAY LOCATION
| Fuse/Relay | Location | |
|---|---|---|
| Miata | ||
| Air Bag (15 Amps) | In Fuse Block | |
| Air Bag (10 Amps) | In Main Fuse Block | |
| Engine (15 Amps) | In Fuse Block | |
| INJ (30 Amps) | In Main Fuse Block | |
| RX7 | ||
| Air Bag (15 Amps) | In Fuse Block | |
| Air Bag (30 Amps) | In Main Fuse Block | |
| Engine (30 Amps) | In Main Fuse Block | |
| Wiper (15 Amps) | In Fuse Block | |