Mitsubishi 3000gt 1997 - SRS-ECU AND POWER CIRCUIT DIAGNOSIS; SRS-ECU Deployed Air Bag System; IG1 (A) Power Circuit System

528-8
SRS
-
Troubleshooting
Code
No.35 SRS-ECU
(deployed
air bag) system
Probable cause
This diagnosis code
is output after
the air bag deploys.
lf this code
is
output beto_re
the air bag
has deployed,
the cause
is
probably
a malfunclion
inside the SRS-ECU.
.
Malfunction
of
SRS-ECL
Reolace the SRS-ECU.
Measure at SRS check
harness
connector
(5).
.
Disconnect
SRS-ECU
connector
D-51.
r
Connect SRS
check
harness
connector
(3).
r
Continuitv between
terminals
(20)
and
i21)
OK:
Continuity
Code
No.41
lG1
(A)
power
circuit system
Probable cause
o
Malfunction
of wiring harnesses or connectors
.
Malfunction of SRS-ECU
This diagnosis code
is output
if the voltage between
the lGi
(A)terminal
and
the
earth
is fower than
the
specified
value for a continuous
period
of 5 seconds or
more.
However,
if the vehicle condition
returns to
normal, diagnosis code
No.41 will be
automatically
erased, and
the
SRS
warning
lamp will
switch
off.
Check
the following
connectors:
C74,C78
and D51
SRS check
harness
(M8991613)
Check the harness
wire
between
lhe SRS-ECU and earth, and
repair il necessary.
Measure at SRS
check harness connector
(5).
.
Disconnect
SRS-ECU
connector
D-51.
o
Connect
SRS
check
harness connector
(3).
.
Connect
negative battery cable
o
lonition switch:
ON
o
Vbltage between
terminal
(14)
and body
earth
OK:
9Vormore
Check the
following
connectors:
C-74 and
D-51
Check the
harness wire between the SRS-ECU and
iqnition
switch lG1, and
repair if necessary.