Brake Switch; Cruise Control Main Switch - Mazda MX-5 1990 Workshop Manual

CRUISE CONTROL SYSTEM
T
BRAKE AND
STOPLIGHT SWITCH
05UOTX-461
05UOTX-230
d
h f d b
05UOTX-231
CRUISE CONTROL UNIT
SE
RE
E
05UOTX-232
05UOTX-233
BRAKE SWITCH
Removal
Loosen the locknut and remove the switch.
Installation
Install in the reverse order of removal.
Adjustment
Adjust the switch to set the specified pedal height.
Pedal height: 171-181mm (6.93-7.13 in)
Pedal free play: 4-7mm (0.16-0.28 in)
Inspection
1 . Disconnect the brake switch connector.
2. Check continuity between terminals of the switch.
Pedal position
Terminal
a b
Pedal released
()
-0
Pedal depressed
0--0:
Indicates continuity
3. If not as specified, replace the brake switch.
4. If the switch is OK, repair the wire harness (Fuse - Brake
switch - Control unit).
CRUISE CONTROL MAIN SWITCH
Inspection
1. Check continuity between terminals of the cruise control
main switch.
Position
Terminal
a b
d
f g
h
Neutral 0-
f-O
0-
-0
Off 0-
=0
0 -0-
f---o
0- -0
On
0
-0
0--0:
Indicates continuity
2. If not as specified, replace the cruise control main switch.
CRUISE CONTROL SWITCH
Inspection
1. Remove the knee protector and disconnect the combina-
tion switch connector.
2. Check continuity between terminals of the combination
switch connector.
Switch
Terminal
SE
RE E
SET/COAST 0 -0
RESUME/ACCEL 0 -0
0--0:
Indicates continuity
3. If not as specified, replace the cruise control switch.
SPEED SENSOR
Inspection
1. Remove the instrument cluster.
2_ Check continuity between terminals 1 Land 2A while rotat-
ing the speedometer cable.
3. If there are not four pulses per shaft rotation, replace the
speed sensor. (Refer to page T
-33.)
T-107