Mitsubishi 3000GT Service Manual page 1156

When using the MUT
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DIAGNOSTIC SEQUENCE
TEST 1 SRS WARNING LIGHT DOES NOT EXTINGUISH
(1) Read (and write down) all of the displayed diag-
nostic trouble codes and service data (fault
duration and how many time memories are
erased) using the scan tool.
NOTE
(1) Maximum stored period: 9999 minutes
(approximately 7 days)
(2) Maximum number of times to be stored:
250
(3) If the scan tool displays "CAN'T COMM.",
check the scan tool and vehicle side
self-check data link connector for poor
connections (Refer to P.528-27.) and
perfom TEST 3.
SRS - Troubleshootina
3. Turn the ignition key to the "LOCK" position.
4. Connect the scan tool (MUT or MUT-II).
When connecting the scan tool (MUT-II) to a vehicle up
to 1993 model, use the adapter harness supplied together.
Caution
Make certain that the ignition switch is at OFF when
the scan tool is connected or disconnected.
5. Start the SRS diagnosis by conducting TEST 1 (SRS
warning light does not extinguish) or TEST 2 (SRS warning
light does not illuminate) which begins on next page.
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00002561
(2) Erase the diagnostic trouble codes following
(3) Start engine.
the 'scan tool messages.
Does "SRS" warning light illuminate for about
7 seconds, turn OFF and then remain extin-
guished for at least 45 seconds?
If yes, SRS system is functioning properly now.
If no, check the diagnostic trouble codes written
down at step (4) above, refer to ON-BOARD
DIAGNOSTIC QUICK REFERENCE CHART