Brake Warning Lamp; Brake Warning Lamp Remains Illuminated; Check Brake; Check Parking Brake Switch - Mazda MX-5 1990 Workshop Manual

T
WARNINtl LAMP AND SENDER JJNIT
TROUBLESHOOTING
Note
• Check the METER 10A fuse in the fuse box before troubleshooting. If normal, refer to the fol-
lowing troubleshooting.
Brake Warning Lamp
T-40
Symptom: Brake warning lamp remains illuminated.
05UOTX·289
05UOTX·075
05UOTX·290
Step 1 - Check brake
I
fluid level
Check brake fluid level.
Brake fluid level
05UOTX·288
Action
Below MIN
Check brake system
(Refer to Section P)
Above MIN
Go to Step 2
Step 2 - Check parking brake switch
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.
(Refer to Section P.)
4. If the switch is OK, go to Step 3.
Step 3 - Check brake fluid level sensor
1. Check continuity of the sensor.
Brake fluid level Continuity
Below MIN
Yes
Above MIN No
2. If not as specified, replace the level sensor.
3. If the sensor is OK, repair the wiring harness.