Toyota Celica 2005 Repair Manual page 570

5 Check for open and short in harness and connector between EFI relay (Marking:
EFI) and mass air flow meter.
OK
Check ECM power source circuit
(See page DI−652).
6 Check continuity between terminal EVG of ECM connector and body ground.
EVG
A19522
OK
7 Check for open in harness and connector between mass air flow meter and ECM
(See page IN−30).
OK
Replace mass air flow meter.
2005 CELICA (RM1131U)
DIAGNOSTICS − ENGINE (2ZZ−GE)
NG Repair or replace harness or connector.
PREPARATION:
Remove the ECM cover.
CHECK:
Check the continuity between terminal EVG of the ECM con-
nector and body ground.
OK:
Continuity (1 Ω or less)
NG Replace ECM (See page SF−78).
A19630
NG Repair or replace harness or connector.
569
DI−371