Toyota ZZT230 series Repair Manual page 511

Dh100
ore
C0278/11, C0279/1 2
CIRCUIT DESCRIPTION
This relay supplies power to each ASS solenoid. After the ignition switch is turned ON,
OK, the re la y goes on.
DTCNo.
Condition
I .
1. IG1 tennlnal voltage of ABS ECU
C0278/11 when the solenoid relay is ON.,,
2 . With solenoid relay ON driving, when IG! terminal of
ABS ECU Is lass than
Immediately after IG switch has boon
• 1
C0279112
solenoid relay Is OFF.'2
Soleno1d relay contact
terminal voltage is half of
All of solenoid
'" 2
Solenoid relay contact ON condition:
All of solenoid terminal voltage is half of
DIAQNOSTlCS
ABS Solenoid Relay Circuit
sec.
DTC Detecting Condition
or 2. oontinues for 0.2 or more:
is 9.5 - 1 8.5 V,
9.5 V."l
turned
"
ON, when
OFF condttton:
terminal voltage or less than.
IG1
lerminal voltage or more.
IG 1
-
ANTI-LOCK BRAKE SYSTEM WITH ELECTRONIC
BRAKE FORCE DISTRIBUTION lEBO>
and
ABS solenoid relay
•
ABS solenoid relay circuit
•
the
if the initial check is
Trouble
Area
' ... -