Brake Warning Lamp Does Not Come On When Parking Braking On - Mazda MX-5 1990 Workshop Manual

WARNING LAMP AND SENDER UNIT
T
Symptom: Brake warning lamp does not come on when
pa~king
brake on. (Ignition switch ON.)
05UOTX·291
9MUOTX·101
Remedy
1. Disconnect the parking brake switch connector.
2. Check continuity between the terminal of the switch and a
body ground.
Lever Continuity
Pulled one notch Yes
Released
No
3. If not as specified, adjust or replace the parking brake switch.
4. If the switch is OK, repair the wiring harness.
Symptom: Brake warning lamp does not come on when brake fluid in reservoir tank below MIN.
05UOTX·292
Remedy
1. Disconnect the brake fluid level sensor connector.
2. Check continuity of the brake fluid level sensor.
Brake fluid level
Continuity
Below MIN Yes
Above MIN
No
3. If not as specified, replace the level sensor.
4. If the sensor is OK, repair the wiring harness.
05UOTX·293
T-41