Toyota Celica 2005 Repair Manual page 369

DI−170
8 Check voltage of ECM terminal for injector of failed cylinder.
ON
#10
#30 #20
#40
A09084
NG
9 Check resistance of injector of misfiring cylinder (See page SF−22).
OK
10 Check for open and short in harness and connector between ignition switch and
injector, injector and ECM of misfiring cylinder (See page IN−30).
OK
11 Check injector injection and volume of misfiring cylinder (See page SF−22).
OK
2005 CELICA (RM1131U)
DIAGNOSTICS − ENGINE (1ZZ−FE)
PREPARATION:
(a) Remove the ECM cover.
(b) Turn the ignition switch ON.
CHECK:
Measure voltage between applicable terminal of the ECM con-
nector and body ground.
OK:
Voltage: 9 to 14 V
A09092
OK Go to step 11.
NG Replace injector.
NG Repair or replace harness or connector.
NG Replace injector.
368