Mazda 121 Workshop Manual page 229

SELF-DIAGNOSIS FUNCTION
F
CODE No.
r2 fTHRoTTLE SEI{SOR)
SIEP INSPECTION ACTION
1 ls lhele a poor conneclion in throltle sensor
Bepair or replace wiing
2
ls there conllnuity behdeen throtlle sensor and
ECU?
ECU
A (LG/R)
2K (LG/R)
B (LGMI
2M (1G,4 /)
D ff/B)
2D (v/G)
3
ls resislances between terminals B (LG/'14 and C
(Y/B) correc"
Below 1 kA
Approx. 5 kO
Adlust or replace throttle sensor o page F-12.
ls ECU terminal 2lV vollage cofrccl?
.7 page F-116
Replace ECU
17 page F-112
Check lor short cicuil in wirng lrom thrcttle sensor io
ECU
Circuil Diagram
IHFOTTLE SENSOF
RMOSENOR
re
@
re
@
ll
Y/B jl
TER THE
Y/G
THFOTTLE SENSON
F-73