Mazda MX-5 1990 Workshop Manual page 722

T
Flowchart No.
2
Caution
-AIR BAG SYSTEM
• Fault indication ..... Warning lamp flashes three times
• Possible cause ...... Open circuit or poor connection of power source
circuit
05UOTX-370
• Before troubleshooting, read SERVICE PRECAUTION on page T -133.
05UOTX-371
ENGINE 15A
INJ 30A
05UOTX-372
DIAGNOSTIC MODULE
05UOTX-374
T-140
Step 1
Measure the battery voltage.
Battery voltage Action
More than 9V
Go to Step 2
Less than 9V Charge battery by recomended
procedure (Refer to Section G)
Step 2
1. Check the following fuses.
Fuse
Location
INJ 30A Main fuse block
AIR BAG 15A Fuse box
AIR BAG 10A Main fuse block
ENGINE 15A Fuse box
2. If a fuse burned, replace
it.
3. If the fuses are OK, go to Step 3.
Step 3
1. Disconnect the negative battery cable.
2. Remove the knee protector, and disconnect the clock spring
connectors (Orange and blue).
3. Check for proper connection of the backup battery con-
nector.
4.
If
the connector is loose or disconnected, reconnect
it.
5. If the connection is OK, go to Step 4.