Toyota ZZT230 series, Repair Manual

Page: 518 / 821

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DIAGNOSTICS
-
ANTI-LOCK BRAKE SYSTEM WITH ELECTRONIC
BRAKE FORCE DISTR!BUT!ON
3
Check voltage of the
ABS-IG
power source.
In
cese
of
using
TOYOTA hand-hold tester:
PREPARATION:
(a)
Connect the TOYOTA hand-held tester to the DLC3.
(b)
Tum the
ignition switch
ON and push the TOYOTA hand-held tester main switch ON.
(c)
Select
the DATALIST mode on the TOYOTA hand-held tester.
CHECK:
Check the voltage
condition output from the
ECU
displayed on the TOYOTA hand-held tester.
OK:
"Normal""
Is
dlsplayad.
In
case
of not using TOYOTA han�held tester:
PREPARATION:
Remove ASS
ECU
with connectors still connected.
CHECK:
(a)
Tum the ignition switch ON.
Dl-307
(b) Measure voltage between terminals A11 - 13 and A11 -
12, 25 of ABS
ECU
connector.
OK:
8
Chock and replace ABS
ECU.
4
Check continuity between terminals
GND
(A11 - 12, 25) of
ABS ECU
connector
and body ground.
LOCK
PREPARATION:
(§)
® Disconnect the connector from the ABS
ECU.
12
CHECK:
Measure resistance between terminal A 11 - 12, 25 of ABS
ECU
harness side connector and body ground.
OK:
-
Resistance: 1 n. or less
..
...
25
''"� F07216
Repair or replace harness or connector.
Check for open circuit In harness and connector between ASS
ECU
and
ECU-IG
tuse
(See page
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