Mitsubishi 3000GT Service Manual page 864

SERVICE BRAKES - Anti-lock Braking System Troubleshooting
ABS warning light blinks once after the ignition key is turned to the "ON" position. It illuminates in
D
the "START" position and blinks once again when turned to the "ON" position.
[Explanation]
When power flows, the ABS ECU turns on the
warning light for approximately 1 sec. while it per-
forms a valve relay test. If there is a break in the
IGNITION
I
J/B
harness between the ECU and the warning light,
the light illuminates only when the valve relay is
off in the valve relay test, etc.
Disconnect the hydraulic unit
connector (A-64) and the ABS-
ECU connector (E-l 2).
Inspect the harness side of
both connectors for damage to
individual terminal pins.
Repair terminal pins as need-
ed.
In the ignition key "ON" posi-
tion, does voltage between ter-
minal No. 25 and ground indi-
cate battery positive voltage?
Yes
Malfunction of A& ECU
TSB Revision
Repair harness.
Replace ABS ECU.
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