Mazda 121 - Page 233

SELF-DIAGNOSIS FUNCTION F
CODE
No.
26
(SOLENOID
VALVE
-
PURGE
CONTROL)
STEP INSPECTION
ACTtOl{
Disconnect conn€ctor from ECIJ
ls lherc baltery voltage at ECU terminal
2X wire
hamess
(R/B)
wnh ignilion
swltch ON?
Check ECU terminal conneclor lo.
poor
connecrion
+
lI
OK,
replace ECU -
page
F-112
+
,l
not OK, repair or replace
wiring
2 Keep condilion Step 1
ls
there baflery vdrage
al soleloid
valve
connec-
tor terminal-wire
(A/8)?
(R/B)
3
ls
solenoid valve OK?
F
pago
F-101
Check for shod or open circuit in wiing lrom main relay
(FUEL
INJ relay) lo
solenoid
valve
Beplace solenoid valve
CODE llo.
34
(AIR
BYPASS SOLENOID VALVE
O)
STEP INSPECTION
ACTION
1 Disconnecl conneclor trorn ECU
ls there banery votage al ECU
leminal 2T wire
harness
(BM)
with lgnition
swtch ON?
Ch€ck ECU
terminal connector
lor
poor
conneclion
.)
ll
OK, rcplace ECU
o
page
F-112
.>
lf not OK, fepair or replace wiins
2 Keep condilion as Step 1
ls there baltery voltage
at solenojd valve connec-
lor lerminalW.e
(R/!9?
Repair wiring
(R/Vr)
3 ls solenoid valve
OK?
F
page
F-109
Ch€ck lor short or open circuil in wiring from main relay
(FUEL
INJ relay) to sol€noid valve
NO Replace soleno d valve
Clrcuit Diagram
FFIOM BATTERY
FROM IGNITION
SWITCH
SOLENOID
VAIVE
SoLENOID
VALVE
€),
soLENolo vAtvE i
(PUFGE
COMIFOL)ii
SOLENOIO
VALVE
(PUNGE
CONTROL)
F-77