ABS(diag)-58
ABS (DIAGNOSTICS)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
Step
Check
Yes
No
1
CHECK INPUT VOLTAGE OF ABSCM&H/U.
1) Turn the ignition switch to OFF.
2) Disconnect the connector from ABSCM&H/
U.
3) Run the engine at idle.
4) Measure the voltage between ABSCM&H/
U connector and chassis ground.
Connector & terminal
(B301) No. 18 (+) — Chassis ground (
−
):
Is the voltage 10 — 15 V?
Go to step 2.
Repair the
ABSCM&H/U
power circuit.
2
CHECK GROUND CIRCUIT OF ABSCM&H/U.
1) Turn the ignition switch to OFF.
2) Measure the resistance between
ABSCM&H/U connector and chassis ground.
Connector & terminal
(B301) No. 15 — Chassis ground:
Is the resistance less than 0.5
Ω
?
Go to step 3.
Repair the
ABSCM&H/U
ground harness.
3
CHECK POOR CONTACT IN CONNECTOR. Is there poor contact in con-
nector between generator, bat-
tery and ABSCM&H/U?
Repair the con-
nector.
Go to step 4.
4
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
ABSCM&H/U.
<Ref. to ABS-6,
ABS Control Mod-
ule and Hydraulic
Control Unit
(ABSCM&H/U).>
Go to step 5.
5
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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