Mazda MX-5 NA silhouetteMX-5 NA

CRUISE CONTROL SYSTEM

T-107prose procedure
Continued from T-106

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

Brake Switch Inspection

  1. 1
    Disconnect the brake switch connector.
    Illustration of brake switch with hand disconnecting its connector, plus a small connector diagram showing terminals a and b.
    05U0TX-230
  2. 2
    Check continuity between terminals of the switch.
  3. 3
    If not as specified, replace the brake switch.
  4. 4
    If the switch is OK, repair the wire harness (Fuse — Brake switch — Control unit).

Brake switch continuity

Pedal released
Terminal aO
Terminal bO
Pedal depressed
Terminal a
Terminal b

CRUISE CONTROL MAIN SWITCH

Inspection

Cruise Control Main Switch Inspection

  1. 1
    Check continuity between terminals of the cruise control main switch.
    Cruise control main switch connector diagram showing terminals labeled h, f, d, b on top row and g, e, c, a on bottom row, with a 3D illustration of the switch and its connector.
    05U0TX-231
  2. 2
    If not as specified, replace the cruise control main switch.

Cruise control main switch continuity

Neutral
a
b
d
f
g
h
Off
a
b
dO
fO
g
h
On
aO
bO
d
f
gO
hO

CRUISE CONTROL SWITCH

Inspection

Cruise Control Switch Inspection

  1. 1
    Remove the knee protector and disconnect the combination switch connector.
    Cruise control unit connector diagram showing terminals SE, RE on top and RE, SE, E on a separate connector with internal contact illustration showing connections between SE, RE and E.
    05U0TX-232
  2. 2
    Check continuity between terminals of the combination switch connector.
  3. 3
    If not as specified, replace the cruise control switch.

Cruise control switch continuity

SET/COAST
SEO
RE
EO
RESUME/ACCEL
SE
REO
EO

SPEED SENSOR

Inspection

Speed Sensor Inspection

  1. 1
    Remove the instrument cluster.
    Illustration of instrument cluster rear view showing the speedometer with connector terminals labeled 2D and 2F (with arrows pointing to specific pins). A small detail shows individual pin positions.
    05U0TX-233
  2. 2
    Check continuity between terminals 1L and 2A while rotating the speedometer cable.
  3. 3
    If there are not four pulses per shaft rotation, replace the speed sensor. (Refer to page T-33.)
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See also

T-33INSTRUMENT CLUSTER

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