Mazda 121 Workshop Manual page 234

F
SELF-DIAGNOSIS FUNCTION
35 {An AYPASS SOLEI{OID VALVE @)
Check ECU tetminal conneclor lor poor connecron
+ ll OK, replace ECU
-
Page F-112
.t
lf noi OK, reparr or replace wrrrng
Dsconnecl connector from ECU
ls lhere batlery voLtage al ECU le|minal 2R wrre
(F/B) wilh ignilion swilch ON?
Repair wi ng (R/B)
Ke€o condilion as SteP I
ls th;re battery voltage at solenoid valve connec'
tor termina -wie (B/Bf
Ct ect tot "lon ot op.n "ircul in wiing fiom maln relav
c? page F-109
Replace soLeno d valve
Cllcuit Dlagram
FFOM BATTERY
FFOM IGNITION SWITCH
AIFI BYPASS SOLENOID
valvE €)
z---F-----rr
ufjl-lJ
i
AIF BYPASS
i
SOLENOID VALVE G)i
SOLENOIO VALVE
{PURGE CONTFOL)
F-74