Mazda 121 - Throttle Sensor Inspection; Throttle Sensor Specification; Throttle Sensor Adjustment; Throttle Sensor Removal;Installation

E
a
CONTROL
UNIT
THROTTLE SENSOR
Inspection
1. Warm
up
the engine to
normal operating
temperature.
2.
Verify that the thermowax
unit rod extends
outward fully and
the cam separates
lrom the
roller.
3. Stop the engine and turn
the ignition
swilch to ON.
4. ConnecttheSSTS
(Engine
Signal
Monitorand Adaptet
Harness) to
the ECU as shown.
5. Set the SST
(Engine
Signal
Monitor)
to terminal 2M.
6. Rotate
the throttle
link by
hand and
veriiy that the voltage
is within specif
ications.
Speclflcallon
ECU Terminal
Throtlle
valv€ conditon
2M
0.30
0.80v
7. ll not as
specified,
adiust the throttle
sensor.
Adiustment
1. Connect
the SST to
the diagnosis
connector.
2. Set switch
@to
position
1.
3. Set
TESI SW to SELF-TEST.
Note
.
lf the SST
is not used,
iump
across
the TEN termi-
nat
and
the
GND terminals
ol the
diagnosia con-
neglor.
4. Loosen
the throttle
sensor screws.
5. Rotate the
throttle sensor
gradually
and until that
the volt'
age
is withjn specification.
6.
Afler adiustmenl,
tighten the throttle
sensor screws
7. Remove
the SST.
Removal / Inslallation
'1.
Turn
the ignition switch
OFF.
2. Disconnect
the throttle
sensor connector.
3. Remove
the throttle
sensor.
Cautlon
.
Do not drop
the thloule
aensor.
4.
Adjust the throttle
sensor after
installation
(Refer
to
page
F-122.)
THFOTTLE
SENSOB
fNJECTfON
BODY
Ztt
n
l.trtg,
tFbl
F-122