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Check the following wiring harnesses.
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- ABS-ECU connector D-250 terminal No.36 - diagnosis connector
D-127
terminal No.7
- ABS-ECU connector D-250 terminal No.47 - diagnosis connector
D-127 terminal
No.1
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Q.
Is the check result normal?
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Repair
the wiring harness between the ABS-ECU connector D-250 and the diagnosis
connector D-127.
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Disconnect the ABS-ECU connector D-250 and
D-251, and measure the continuity between the
body earth and the following terminals at the harness-side
connector.
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- ABS-ECU connector D-251 terminal No.12 - earth
- ABS-ECU connector D-251 terminal No.25 - earth
- ABS-ECU connector D-251 terminal No.26 - earth
- ABS-ECU connector D-250 terminal No.42 - earth
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OK: Continuity exists (2 Ω or
less)
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Q.
Is the check result normal?
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Repair
the wiring harness between the ABS-ECU connector D-250 and D-251 and the
earth.
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Check the wiring harnesses between the
following terminals.
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- Ignition switch (IG2) connector D-309 terminal No. 4 - ABS-ECU
connector
D-251 terminal No. 31
- Ignition switch (IG2) connector D-309 terminal No. 4 - ABS-ECU
connector
D-251 terminal No. 13
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Q.
Is the check result normal?
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Repair
the wiring harness between the ignition switch (IG2) connector D-309
terminal
No.4 and ABS-ECU connector D-251 terminal No.31 or between ignition switch
(IG2) connector D-309
terminal No.4 and ABS-ECU connector D-251 terminal No.13.
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Q.
Can the M.U.T-III communicate with the ABS-ECU?
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It can
be assumed that this malfunction is intermittent. Refer to GROUP 00, How
to Use Troubleshooting/Inspection Service Points - How to Cope
with Intermittent
Malfunction .
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