Mitsubishi 3000GT Service Manual page 1204

SRS
Battery
driver
L o c k lever
REMOVAL SERVICE POINTS
Turn the ignition key to the "LOCK" position, disconnect the
negative battery cable from the battery and tape the terminal.
Caution
Wait at least 60 seconds after disconnecting the battery
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 disconnected. Serious
injury may result from unintended air bag deployment
if work is done on the SRS system immediately after
the battery cable is disconnected.
CONNECTOR DISCONNECTION
Release the lock of SDU connector in accordance with the
following procedure:
In case that there is no notch on the lock lever
Place a flat tip screwdriver against the lock spring (metal
section) of the connector lock lever as shown in the illustration,
and push the spring horizontally toward the inside of the
unit.
Caution
1. Do not use excessive force to raise the lock lever.
2. Do not insert the screwdriver into the gap between
the lock lever and the lock spring.
In case that there is a notch on the lock lever
Place a flat tip screwdriver against the lock spring (metal
section) at the lock lever notch as shown in the illustration,
and push the spring toward the unit.
Caution
Do not use excessive force to raise the lock lever.
INSTALLATION SERVICE POINTS
Before SRS diagnosis unit is installed in the vehicle, it must
be visually inspected. If a dent, crack or other deformation
is detected, discard the SRS diagnosis unit and replace it
with a new one that passes the visual inspection.
With the projection part of the SRS diagnosis unit placed
against the bracket as shown in the figure, securely install
the SRS diagnosis unit.
Caution
The SRS may not activate properly if SRS diagnosis unit
is not installed properly, which could result in serious
injury or death to the vehicle's driver.
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