Mitsubishi 1992 3000GT, Service Manual

Page: 834 / 1308

SERVICE BRAKES Anti-lock Braking System Troubleshooting
TROUBLESHOOTING (ABS-FWD)
Confirm condition in the following way and diagnosis accordingly.
Does the ABS warning light illuminate as described
(2) With the ignition key in the “START” position,
below up to the time the engine starts? power to the ABS ECU is interrupted and the
(1) When the ignition key is turned to the “ON”
ABS warning light remains lit because the valve
position, the ABS ECU causes the ABS relay is OFF.
ing light to flash twice in about one second (3) When the ignition key is returned from the
(during which the valve relay self check is “START’ position to the “ON” position, the ABS
made) and then causes it to go out.
warning light flashes twice in about one second
(during which the valve relay self check is made
again) and then goes out.
1 sec. 1 sec.
ABS warning
light
OFF
I
ignition
0 0 0 0 2 1 6 6
Yes
CONTINUED ON NEXT PAGE
No
light drive
TSB Revision
I