Mitsubishi 1992 3000GT, Service Manual

Page: 1196 / 1308

SRS
Maintenance Post-collision Diagnosis
When using the MUT
When usina the MUT-II
Adapter harness
00002561
MAINTENANCE
The SRS must be inspected by an authorized dealer 10 years
after the car manufacture date. (Refer to GROUP 00 Mainte-
Service.)
POST-COLLISION DIAGNOSIS
To inspect and service the SRS after a collision (whether
or not the air bags has deployed), perform the following steps.
1. SRS Diagnosis Unit Memory Check
(1) Connect the scan tool to the data link connector.
When connecting the scan tool to a vehicle up to
1993 model, use the adapter harness supplied togeth-
er.
Caution
Make certain that the ignition switch is at OFF
when the scan tool is connected or disconnected.
(2) Read (and write down) all displayed diagnostic trouble
codes. (Refer to
NOTE
If the battery power supply has been disconnected
or disrupted by the collision, the scan tool cannot
communicate with the SRS diagnosis unit. Inspect
and, if necessary, repair the body wiring harness be-
fore proceeding further.
(3) Read the service data (fault duration and how many
times memories are erased) using the scan tool.
NOTE
l
Maximum stored period: 9999 minutes (approxi-
mately 7 days)
l Maximum number of times to be stored: 250
(4) Erase the diagnostic trouble codes waiting
45 seconds or more read (and write down) all dis-
played diagnostic trouble codes. (Refer to
2. Repair Procedure
air bag deploys from collision
(1) Replace the following parts with new ones.
l
Front impact sensors (Refer to
l
SRS diagnosis unit (Refer to
l Air bag module (Refer to
(2) Check the following parts and replace if there are any
malfunctions.
l
Clock spring (Refer to
l
Steering wheel, steering column and intermediate
joint
1) Check wiring harness (built into steering wheel)
and connectors for damage, and terminals for
deformities.
TSB Revision