Toyota Celica 2005 Repair Manual page 1329

DI−1128
Ignition Switch Power Source Circuit
CIRCUIT DESCRIPTION
When the ignition switch is turned to the ACC position, battery voltage is applied to terminal ACC of ECU,
and when the ignition switch is turned to the ON position, battery voltage is applied to terminal IG of ECU.
WIRING DIAGRAM
B−R
W
Engine Room J/B
2E 1
2
ALT
1
DCC
1
2A
B−R
FL MAIN
2005 CELICA (RM1131U)
DIAGNOSTICS
W
B−R
I10
Ignition Switch
IG1 2
L−R
1
AM1
3
GR
ACC
W−B
7
2F
L−R
Battery
IF
− BODY CONTROL SYSTEM
Instrument Panel J/B
AM1
5
IK
1
5
IA
2
8
IK
12 ECU ACC
IK
D 2
12
II
2
MPX−B
IC
B
6
1328
Door
5
B
IG1
Body
Relay
ECU−IG
3
3
IG
C 2
1
12
ACC
11
E
8
B
DI6QX−05
Body ECU
I13762