Mitsubishi Eclipse 1990 Service Manual page 1986

INSPECTION CHART FOR TROUBLE SYMPTOM
Trouble symptom
Communication with
possible.
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.
When the seat belts are not fastened and the ignition switch is turned to the ON
position, the seat belt warning light illuminates or flashes, but the seat belt warn-
ing buzzer does not sound.
When the seat belts are not fastened and the ignition switch is turned to the ON
position, the seat belt warning buzzer sound, but the seat belt warning light does
not illuminate nor flash.
After having the ignition switch turned to the ON position, the seat belt warning
buzzer does not stop sounding for six seconds, even though the seat belt is
buckled immediately.
INSPECTION PROCEDURE FOR TROUBLE SYMPTOMS
INSPECTION PROCEDURE 1
Communication with scan tool is not possible.
(Communication with all systems is not possible.)
[Comment]
The cause is probably in the defective power supply system (including ground) for
the diagnostic line.
Refer to GROUP -Troubleshooting
Refer to GROUP Troubleshooting
INSPECTION PROCEDURE 2
Communication with scan tool is not possible.
(Communication with the one-shot pulse input signal only
is not possible.)
[Comment]
The cause is probably a defective one-shot pulse input circuit system of the diagnostic
line.
data link connector and junction block.
NG
Repair
INTERIOR
tool is not Communication with all systems is not
possible.
Communication with one-shot pulse
input signal only is not possible.
Engine (Non-Turbo)>
Engine (Turbo) and
OK
Check the following connectors:
and
Check trouble symptom.
Replace the EATCS-ECU.
TSB Revision
Front Seat Belt
Probable cause
Malfunction of connector
Malfunction of harness
Engine>
Probable cause
Malfunction of connector
Malfunction of harness wire
Malfunction of ETACS-ECU
NG
OK
NG
I n s p e c t i o n R e f e r e n c e
procedure No.
2
3
4
5
Repair