Mitsubishi 1992 3000GT, Service Manual

Page: 1166 / 1308

SRS
Troubleshooting
Batte
MB991 349
SRS Check Harness
Front impact
sensor
(blue)
-1
4
Front impact
- A
sensor con-
(L.H.)
(yellow)
View A
Check Harness
(1) Turn the ignition key to the “LOCK” position, disconnect
the negative battery cable and tape the terminal.
Caution
Wait at least 60 seconds after disconnecting the
tery cable before doing any further work. The SRS
system is designed to retain enough voltage to deploy
the air bag even after the battery has been discon-
nected. Serious injury may result from unintended
air bag deployment if work is done on the SRS system
immediately after the battery cable is disconnected.
(2) Remove the rear console assembly. (Refer to GROUP
Floor Console.)
(3) Apply a flat tip screwdriver to the lock spring (metallic
portion) of the SDU connector lock lever as illustrated
and push it horizontally toward the back of the unit.
Caution
1. Do not push up the lock lever (green) by force.
2.
Never insert a screwdriver between the lock lever
(green) and the lock spring (metallic portion).
(4) Disconnect each connector other than connector
from the SRS diagnosis unit while pressing down the
(5)
lock of each connector. (Refer to
Locate the blue and yellow connectors for the wiring lead-
ing to the front impact sensors, which were connected
to the now-disconnected harness-side connector of the
SDU. Connect those blue and yellow connectors to con-
nector (3) of the SRS Check Harness.
(6) Check according to the flow chart on the next page, using
the specified digital multi-meter and scan tool.
TSB Revision