Mazda 323 Workshop Manual Supplement page 184

CONTROLSYSTEM
F2
I
7
Incorrect voltage
Possible cause
Always OV
l
Open or short circuit in wjring from ECU terminal 2s to buzzer
Always OV or approx. 12V
1 l
Refer to Code No.25 Troubieshootlng
Always OV
1
l
Marn relav (FUEL INJ relay) malfunction
/
l
Open or shbrt circuit in wi&g from injector to ECU terminal 2U or 2V
Always approx. 12V
l
ECU malfunctron
Always OV or approx. t2V
l
Refer to Code No.34 TroubleshootIng
Always OV or approx. 12V
l
Refer to Code No.26 Troubleshooting
Always OV
l
Open or short circuit KI wiring from ECU terminal 2Y to relay
f2-67