Toyota Celica 2005 Repair Manual page 1304

3 Check voltage between terminal STP of ECM connector and body ground.
NG
4 Check voltage between terminal ST1− of ECM connector and body ground.
NG
2005 CELICA (RM1131U)
DIAGNOSTICS
PREPARATION:
(a)
(b)
CHECK:
Measure the voltage between terminal STP of ECM connector
and body ground when the brake pedal is depressed and re-
leased.
OK:
STP
I25004
PREPARATION:
(a)
ST1−
(b)
CHECK:
Measure the voltage between terminal ST1− of ECM connector
and body ground when the brake pedal is depressed and re-
leased.
OK:
I25004
− CRUISE CONTROL SYSTEM (2ZZ−GE)
Remove ECM with connectors being connected.
Turn the ignition switch ON.
Depressed
Released
OK Proceed to next circuit inspection shown in
problem symptoms table (See page DI−1099).
Remove ECM with connectors being connected.
Turn the ignition switch ON.
Depressed
Released
OK Proceed to next circuit inspection shown in
problem symptoms table (See page DI−1099).
1303
DI−1103
10 − 14 V
Below 1 V
Below 1 V
10 − 14 V