Mazda MX-5 NA silhouetteMX-5 NA

CRUISE CONTROL SYSTEM (cont'd)

T-100prose procedure

Clutch switch references apply to M/T models only.

Continued from T-99

Cruise control unit terminal voltage inspection (continued)

h
Wire colorY
Connected toBrake switch
Test conditionBrake pedal depressed
Specification0V
ActionGo to Step 4
h
Wire colorY
Connected toBrake switch
Test conditionBrake pedal released
Specification9V
ActionGo to Step 4
j
Wire colorBR/W
Connected toClutch switch
Test conditionClutch pedal depressed
Specification0V
ActionGo to Step 5
j
Wire colorBR/W
Connected toClutch switch
Test conditionClutch pedal released
Specification12V
ActionGo to Step 5
l
Wire colorR/L
Connected toCruise control switch (Set switch and coast switch)
Test conditionMain switch ON
Specification12V
ActionGo to Step 6
l
Wire colorR/L
Connected toCruise control switch (Set switch and coast switch)
Test conditionWhile pushing set switch after main switch ON
Specification0V
ActionGo to Step 6
m
Wire colorG
Connected toStoplight switch
Test conditionBrake pedal depressed
Specification12V
ActionGo to Step 7
m
Wire colorG
Connected toStoplight switch
Test conditionBrake pedal released
Specification0V
ActionGo to Step 7
n
Wire colorR/W
Connected toCruise control switch (Resume switch and accel switch)
Test conditionMain switch ON
Specification12V
ActionGo to Step 6
n
Wire colorR/W
Connected toCruise control switch (Resume switch and accel switch)
Test conditionWhile pushing resume switch after main switch ON
Specification0V
ActionGo to Step 6
o
Wire colorP
Connected toActuator
Test conditionMain switch OFF
Specification0V
ActionGo to Step 8
o
Wire colorP
Connected toActuator
Test conditionMain switch ON
Specification9V
ActionGo to Step 8
p
Wire colorG/R
Connected toSpeed sensor
Test conditionWhile rotating rear tires
SpecificationRun out between 0—5V
ActionGo to Step 9
s
Wire colorW/G
Connected toBattery
Test conditionConstant
Specification12V
ActionRepair wire (W/G)

Step 4 — Inspection of brake switch

  1. 1
    Disconnect the brake switch connector.
    Illustration showing brake pedal area with brake switch connector being disconnected by hand, and a connector pinout diagram showing terminals 'a' and 'b'.
    05U0TX-215
  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
aO——————O
b
Pedal depressed
a
b

Step 5 — Inspection of clutch switch

  1. 1
    Disconnect the clutch switch connector.
    Illustration showing clutch pedal area with clutch switch connector being disconnected, and a connector pinout diagram showing terminals 'b' and 'a'.
    05U0TX-331
  2. 2
    Check continuity between terminals of the switch.
  3. 3
    If not as specified, replace the clutch switch.
  4. 4
    If the switch is OK, repair the wire harness. (Fuse — Clutch switch — Control unit)

Clutch switch continuity

Pedal released
a
b
Pedal depressed
aO——————O
b

Step 6 — Inspection of cruise control switch

  1. 1
    Remove the knee protector and disconnect the combination switch connector.
    Cruise control unit combination switch connector diagram showing internal switches SE (SET) and RE (RESUME), with terminals SE, RE, and E labeled.
    05U0TX-216
  2. 2
    Check continuity between terminals of the combination switch connector.
  3. 3
    If not as specified, replace the cruise control switch.
  4. 4
    If the switch is OK, repair the wire harness. (Cruise control switch — Control unit)

Cruise control switch continuity

SET/COAST
SEO——————
RE
E——————O
RESUME/ACCEL
SE
REO——————
E——————O
Support our work!

Search Manual

Search pages, specs, and procedures