Toyota Celica 2005 Repair Manual page 1328

INSPECTION PROCEDURE
1 Check MPX−B, ACC, AM1 and DOOR fuse.
CHECK:
Check continuity of MPX−B, ACC, AM1 and DOOR fuse.
OK:
Continuity
OK
2 Check voltage between terminals B, B and E of Body ECU connector.
PREPARATION:
(a) Turn ignition switch OFF.
(b) Disconnect the Body ECU connector.
CHECK:
Measure the voltage between terminal B, B and E.
OK:
Voltage: 10 − 14V
NG
3 Check wireharness and connector between Body ECU and body ground (See
page IN−30).
OK
Check and repair wire harness and connec-
tor between Body ECU and battery.
2005 CELICA (RM1131U)
DIAGNOSTICS − BODY CONTROL SYSTEM
NG Replace the failure fuse.
OK Proceed to next circuit inspection shown on
problem symptoms table (See page DI−1124).
NG Repair or replace wire harness or connector.
1327
DI−1127