Mitsubishi 3000GT Workshop Manual Supplement page 24

35-8
SERVICE BRAKES
-
ABS
Troubleshooting
Code
No.l5
Wheel speed sensor (Abnormal output signal) Probable cause
A wheel speed sensor outputs an abnormal signal (other than an open or sholt-
circuit).
.
lmproper installalion of wheel speed sensor
o
Maltunction of wheel speed sensor
.
Maltunction of
rolor
.
Malfunction of wheel bearing
.
Malfunction of wiring hamess or connector
.
Malfunction of ABS-ECU
Wheel speed sensor installation in-
spection.
Replace the wheel speed sensor.
Wheel speed sensor
output voltage in'
spection.
Check the hamess wire between
each
wheel speed sensor and ABS-ECU,
and repair if nec€ssary.
Code No.16 Power supPly system
Probable cause
The
voltaqe of the ABS-ECU power supply drops lower or rises higher than the
specified üalue. lf the voltage retums to the specified value, this code is no longer
output.
.
Malfunction of wiring hamess or @nnector.
.
Malfunction of ABS-ECU
Caution
lf
baüery voltage drops
or rises during inspection,
this
code
will
be output as well. lf the voltage
returns to standard value, this code is no longer output.
Before carrying out the following inspection, check the battery level, and refill it if necessary.
Check the
lollowlng clnnectors.
C-25, C-59, C-66 and C-78
Measure
at
the ABS-ECU connector
E-10.
o
Disconnect the connector and mea-
sure
lrom the harness side.
o
Start
the engine. Voltage
between
83
-
Body earth
OK:
System voltage
Check
the harness wire between the
ignition switch and the ABS-ECU, ahd
repair il necessary.