Brake Fluid Level Sensor; Parking Brake Switch; Seat Belt Buckle Switch - Mazda MX-5 1990 Workshop Manual

SEATBEL T BUCKLE SWITCH
WARNING LAMP AND SENDER UNIT
T
05UOTX-080
05UOTX-081
OHMMETER
05UOTX-082
BRAKE FLUID LEVEL SENSOR
Inspection
1. Check continuity of the sensor.
Float level
Below MIN
Above MIN
Continuity
Yes
No
2. If continuity is not as specified, replace the level sensor.
PARKING BRAKE SWITCH
Inspection
1. Disconnect the parking brake switch connector.
2. Check for continuity between the switch connector and a
body ground.
Lever Continuity
Pulled one notch
Yes
Released
No
3. If continuity is not as specified, adjust or replace the park-
ing brake switch.
SEAT BELT BUCKLE SWITCH
Inspection
1. Disconnect the seat belt buckle switch connector.
2. Check continuity of the switch.
Seat belt Continuity
Seat belt buckled No
Seat belt unbuckled
Yes
3. If continuity is not as specified, replace the buckle switch.
T-43