Toyota Celica 2005 Repair Manual page 479

DI−280
INSPECTION PROCEDURE
1 Check voltage between terminals +B and E1 of ECM connector.
ON
E1(−)
A09084
NG
2 Check for open in harness and connector between terminal E1 of ECM and body
ground (See page IN−30).
OK
3 Check voltage between terminals IGSW and E1 of ECM connector.
ON
E1(−)
A09084
NG
2005 CELICA (RM1131U)
DIAGNOSTICS
PREPARATION:
(a)
(b)
CHECK:
Measure voltage between terminals +B and E1 of the ECM con-
nector.
OK:
+B (+)
A09092
OK
NG
PREPARATION:
(a)
(b)
CHECK:
Measure voltage between terminals IGSW and E1 of the ECM
connector.
OK:
IGSW (+)
A09092
OK
− ENGINE (1ZZ−FE)
Remove the ECM cover.
Turn the ignition switch ON.
Voltage: 9 to 14 V
Proceed to next circuit inspection shown on
problem symptoms table (See page DI−39).
Repair or replace harness or connector.
Remove the ECM cover.
Turn the ignition switch ON.
Voltage: 9 to 14 V
Go to step 5.
478