Toyota Celica 2005 Repair Manual page 1066

3 Check voltage of the ECU IG power source.
PREPARATION:
In the case of using the hand−held tester:
(a) Connect the TOYOTA hand−held tester to the DLC3.
(b) Turn the ignition switch to ON and push the TOYOTA hand−held tester main switch ON.
(c) Select the item "IG VOLTAGE" in the DATA LIST and read its value displayed on the TOYOTA hand−
held tester.
(d) Check the voltage condition output from the ECU and displayed on theTOYOTA hand−held tester.
CHECK:
OK: "Normal" is displayed. (Voltage: 10 − 14 V)
ON
2
(+)
(−)
NG
4 Check continuity between terminals GND (2, 24) of Skid Control ECU connector
and body ground.
LOCK
2
24
OK
Check for open circuit in harness and connector between Skid Control ECU and ABS−IG fuse
(See page IN−30).
2005 CELICA (RM1131U)
DIAGNOSTICS
24 25
F13038
F13039
− ANTI−LOCK BRAKE SYSTEM WITH ELECTRONIC
BRAKE FORCE DISTRIBUTION (EBD)
PREPARATION:
In the case of not using the hand−held tester:
(a) Disconnect the Skid Control ECU connector.
(b) Turn the ignition switch to ON.
PREPARATION:
Measure the voltage between terminal 25 and 2 or 24 of the skid
control ECU connector.
OK: 10 − 14 V
OK Check or replace Skid Control ECU
(ABS Actuator Assembly). (See page IN−30)
CHECK:
Measure the resistance between terminal 2 and 24 of Skid Con-
trol ECU harness side connector and body ground.
OK:
Resistance: 1 Ω or less
NG Repair or replace harness or connector.
1065
DI−865