Airflow Sensor (Bypass Hot-Wire Type) Inspection; Water Thermosensor Removal; Water Thermosensor Inspection - Mazda 121 Workshop Manual

CONTROL SYSTEM
F
INJECIION BODY
ATRFLOW SENSOR (BYPASS HOT-WIRE TYPE)
lnapoction
1. Remove the air cleaner.
2. Visually check for an open circuit of the airflow sensor hot
3. Check the airflow sensor body for cracks.
4. Disconnect the airflow sensor connector.
5. Using an ohmmeter, measure resistance between the ter-
mrnals.
Speciticaiion
Femoval / Installalion
Reler to page F-84.
WATER THERMOSENSOR
Removal
1. Disconnect the water thermosensor connector.
2. Remove the water thermosensor using the SST.
lnboeclion
1. Place the sensor in water with athermometer and heat the
water graduallY.
2. Using an ohmmeter, measure resistance of the sensor.
3 , 0
n i
( k o ) 2
WAIEFTEMPEMIUFIE {"C I"FD
Terminal
F$islance (20'C I68"Fl)
A - B
A - C
B - C
@; lffi-fl
INTAXE
FIEPLACE
WATERIHENMO
SENSOR
Coolant
Fesisance (kO)
- 2 0 6 C | - 4 a F )
1 4 . 6 - 1 7 . A
o.c ( 32.D
6.5
2o.c ( 68.R
2.21- 2.69
4 0 o c ( 1 0 ! o R
1 . 0 -
1 . 3
6 0 o c ( 1 4 0 o R
050, 0.65
8 0 o c { 1 7 6 o R
0.29- 0.354
F-121