Mitsubishi Stealth 1994 Import Service Manual page 182

BRAKES
TROUBLESHOOTING (ABS - AWD)
Confirm condition in the following way and diagnosis accordingly.
Does the ABS warning light illuminate as described
below up to the time the engine starts?
position, the ABS ECU causes the ABS warning
light to flash four times in about one second (3) When the ignition key is returned from the
(during which the valve relay self check,is made)
and then causes it to go out.
Yes
CONTINUED ON NEXT PAGE
No. Trouble condition
1 ABS warning light does not light up at all.
ABS
OFF
light
ACC LOi&
key ,
2 When the ignition key is turned to the
"ON" position, it remains lighted.
ABS
warning
3 Does not illuminate when ignition key is
in "START" position.
(2) With the ignition key in the "START" position,
power to the ABS ECU is interrupted and the
ABS warning light remains lit because the valve
relay is OFF.
"START" position to "ON" position, the ABS
warning light flashes four times in about a
second (during which the valve relay self check
is made again) and then goes out.
warning
light
OFF
ACC. LO:: -++-
No
Major causes
ABS warning light bulb is burnt out.
l
Open in ABS warning light electrical
l
circuit (check for blown fuse)
Fail safe is functioning due to ECU
l
self diagnosis.
Short in ECU warning light drive circuit
l
Malfunction of ECU
l
Malfunction of valve relay
l
Break in harness between ABS warning chart C (Refer to
l
light and HU
Break in harness between HU and
l
body ground
sec. e c
Remedy
Check, using flow
chart A (Refer to
Check, using flow
chart B (Refer to
Check, using flow
. 4