Toyota Celica 2005 Repair Manual page 1061

DI−860
DTC
C0278/11, C0279/12
CIRCUIT DESCRIPTION
This relay supplies power to each ABS solenoid. After the ignition switch is turned ON, and if the initial check
is OK, the relay turns on.
DTC No.
S IG1 terminal voltage is from 9.5 V to 18.5 V and the relay
contact OFF condition continues for 0.2 sec. or more.
C0278/11 S IG1 terminal voltage decreases in 9.5 V or less because
of the relay ON driving, and the relay contact OFF condi-
tion elapses for 0.2 sec. or more.
Immediately after IG switch has been turned ON, when the
C0279/12
solenoid relay is OFF.
WIRING DIAGRAM
FL MAIN
Battery
2005 CELICA (RM1131U)
DIAGNOSTICS
DTC Detection Condition
1
B−R
2A
− ANTI−LOCK BRAKE SYSTEM WITH ELECTRONIC
BRAKE FORCE DISTRIBUTION (EBD)
ABS Solenoid Relay Circuit
S ABS solenoid relay
S ABS solenoid relay circuit
S ABS actuator
Engine Room J/B
ALT ABS No. 2
1 2
W−B
EB
1060
Trouble Area
Skid Control ECU
with Actuator
9
1
B−W
2D S11
2
W−B
S11
24
W−B
S11
DIAIL−04
+BS
GND1
GND2
F17701