Toyota 22R-E Service Manual page 173

ENGINE – MFI SYSTEM
CONTINUED FROM PAGE
OK
Check fuel pressure.
Check injector.
Check cold start injector.*
Check volume air flow meter.
(2) Check operation of oxygen sensor.
BAD
Check wiring between oxygen
sensor and ECM connector.
Replace oxygen sensor.
EG1–138
BAD
Repair or replace.
BAD
Repair or replace.
BAD
Repair or replace.
BAD
Repair or replace.
System normal.
BAD
Repair wiring.
*Rich malfunction only.
EG1–139