ABS(diag)-64
ABS (DIAGNOSTICS)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
Step
Check
Yes
No
1
CHECK GROUND CIRCUIT OF ABSCM&H/U.
1) Turn the ignition switch to OFF.
2) Disconnect the connector from ABSCM&H/
U.
3) Measure the resistance between
ABSCM&H/U and chassis ground.
Connector & terminal
(B301) No. 15 — Chassis ground:
Is the resistance less than 0.5
Ω
?
Go to step 2.
Repair the
ABSCM&H/U
ground harness.
2
CHECK POOR CONTACT IN CONNECTOR. Is there poor contact in con-
nectors between battery, igni-
tion switch and ABSCM&H/U?
Repair the con-
nector.
Go to step 3.
3
CHECK SOURCES OF SIGNAL NOISE.
Is the car telephone or the
radio properly installed?
Go to step 4.
Properly install the
car telephone or
the wireless trans-
mitter.
4
CHECK SOURCES OF SIGNAL NOISE.
Are noise sources (such as an
antenna) installed near the
sensor harness?
Install the noise
sources apart from
the sensor har-
ness.
Go to step 5.
5
CHECK ABSCM&H/U.
1) Connect all the connectors.
2) Erase the memory.
3) Perform the inspection mode.
4) Read the DTC.
Is the same DTC displayed?
Replace the
ABSCM only.
<Ref. to ABS-8,
REPLACEMENT,
ABS Control Mod-
ule and Hydraulic
Control Unit
(ABSCM&H/U).>
Go to step 6.
6
CHECK ANY OTHER DTC ON DISPLAY.
Is any other DTC displayed?
Inspect the DTC
using “List of Diag-
nostic Trouble
Code (DTC)”.
<Ref. to
ABS(diag)-39, List
of Diagnostic Trou-
ble Code (DTC).>
Temporary poor
contact occurs.
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