Toyota Celica 2005 Repair Manual page 473

DI−274
3 Check ignition switch.
ACC
ON
LOCK
START
OK
4 Check voltage between terminal STA of ECM connector and body ground.
A19522
OK
2005 CELICA (RM1131U)
DIAGNOSTICS
I08467
STA
A19630
− ENGINE (1ZZ−FE)
Check continuity between the connector terminals shown in the
chart below.
Switch
LOCK
ACC
ON
START
NG Replace ignition switch.
Go to next step 5 after the replacement.
PREPARATION:
(a) Remove the ECM cover.
(b) Turn the ignition switch ON.
CHECK:
Measure the voltage between terminal STA of the ECM connec-
tor and body ground during the engine cranking.
OK:
Voltage:
0 V (Ignition switch ON)
6 V or more (Engine cranking)
NG Repair or replace harness or connector.
472
Terminal No.
All Terminal to Terminal
2 − 3
2 − 3 − 4
6 − 7
1 − 2 − 4
6 − 7 − 8
Resistance
1 MΩ or more
1 Ω or less
1 Ω or less
1 Ω or less