Mitsubishi Eclipse 1990 Service Manual page 1987

INSPECTION PROCEDURE 3
When the seat belts are not fastened and the ignition
switch is turned to the ON position, the seat belt warning
buzzer does not sound, and the seat belt warning light
does not illuminate nor flash.
[Comment]
It is possible that there is a malfunction of the power supply circuit (including of
grounding) of ETACS-ECU.
Disconnect the junction
and measure at the harness side.
Check at the harness side
Check continuity between the
Check trouble symptom.
and measure at the harness side*.
Check continuity between the
OK
NOTE
Without theft-alarm system
Front Seat
INTERIOR
Check the following connector:
(36) and the ground'.
Replace the ETACS-ECU.
TSB Revision
Probable cause
Malfunction of connector
Malfunction of harness
Malfunction of ETACS-ECU
NG
Repair
I
,