Toyota Celica 2005 Repair Manual page 852

INSPECTION PROCEDURE
1 Check voltage between terminals +B and E1 of ECM connector.
E1(−)
A19520
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.
E1(−)
IGSW (+)
A19520
NG
2005 CELICA (RM1131U)
DIAGNOSTICS −
PREPARATION:
(a) Remove the ECM cover.
(b) Turn the ignition switch ON.
+B (+)
CHECK:
Measure voltage between terminals +B and E1 of the ECM con-
nector.
OK:
Voltage: 9 to 14 V
A19627
OK
NG
PREPARATION:
(a) Remove the ECM cover.
(b) Turn the ignition switch ON.
CHECK:
Measure voltage between terminals IGSW and E1 of the ECM
connector.
OK:
Voltage: 9 to 14 V
A19627
OK
851
ENGINE (2ZZ−GE)
Replace ECM (See page SF−78).
Repair or replace harness or connector.
Go to step 5.
DI−653