Toyota ZZT230 series Repair Manual page 503

Dl-292
DTC
C0226121 - C0256/24
CIRCUIT DESCRIPTION
This solenoid goes on when signals are received from the
cylinders thus controlling the braking force.
DTC No.
Condition 1 . or 2. continues
1 . IG1 terminal voltage of
is opun or short circuit in actuator solenoid SFRR or
0022612,
SFAH.
2. IG1 lenninal voltage
while ABS is oontrolin operation.
Condition 1 . or 2. continues for 0.05 sec. or more:
1 . lG1 terminal voltage of ABS ECU
is open or short circuit in actuator
00238122
2.
SA..H.
IGI terminal voltage of ABS ECU is 9.5- 18.5
while ABS Is control in operatlon.•1
Condition 1. or 2. continues lor 0.05
t . IG1 terminal voltage of ASS ECU
is open or
C0246123
SRRH.
2. IG1 terminal voltage of ABS ECU
while ABS is control In operation."1
Condition 1 . or 2. continues lor 0.05 sec. or more:
1. IG1 terminal voltage of ABS ECU
is open or short circuit in actuator solenoid SRLR or
C0256124
SRLH.
2. IG1 terminal voltage of ABS ECU is 9.5 - 18.5
while ABS Is oontrolln operation:!
•
1
Solenotd relay contact
All of solenoid terminal voltage is half of IG1 terminal voltage or less than.
DIAGNOSTICS
ABS Actuator Solenoid Circuit
OTC Detecting Condition
for
ABS
0.05 sec. or more:
Is
ECU 9.5- 18.5
of is
ABS ECU 9.5 - 18.5
• 1
is
9.5 - 18.5
solenoid SFLR or
sec.
Is
or more:
9.5- 16.5
Short
circuit in actuator solenoid SAAR or
is
9.5- 16.5
is
9.5-18.5
. .
ON condtt1on:
- ANT�OCK BRAKE SYSTEM WITH ELECTRONIC
BRAKE FORCE DISTRIBUTION IEBDl
and controls the pressure acting on the wheel
ECU
V, there
• ABS actuator
• SFRR or SFRH circuit
V, and
V,
there
• ABS actuatOf
•SFLAor SFLH circuit
V ,
and
V, there
• ABS actuator
•SARA or SRRH circuit
V, and
V,
there
• ABS actuator
•SRLR or SRLH circu�
V, Md
-·
Trouble Area