Mitsubishi 3000GT Workshop Manual Supplement page 16

55.4
HEATER,
AIR
CONDITIONER
AND VENTILATION -
TTOUbIEShOOtiNg
Code No.13
Air inlet sensor system (open
circuit)
Probable cause
This diagnosis code
is
output
il
there is
a
defective connector connection,
or
if
there
is an
open circuil
in lhe
harness.
o
Malfunclion
ol
conneclor
o
Malfunction
of
harness
.
Malfunclion of the air inlet
sensor
o
Malfunclion of the
A/C-ECU
Check the following connector:
C-97
Measure
at the outside air
temperature sensor
connector
C-19.
o
Disconnect the
connector,
and
measure
at the
hamess
side connector.
.
Voltage between terminal (2)
and body
earth
OK:5V
Check
üe
üollowing connectors:
C-05
Measure at the A/C-ECU connector C-97.
o
Connec{
the
connector.
o
Voltage between terminal (7) and body
eanh
OK:
2.3
-
2.9
V
Check the hamess bstween the air inlel sensor
and
the A/C-ECU.
and repair
il
necessary.
Check
the following
connector:
C-97
Check the hamess between the air inlet sensor and the A/C-ECU.
Replace
NG
Repair
NG
Repair
NG
Repair
Code No.14
Air
inlet sensor system (short circuit) Probable cause
This diagnosis code
is output
if
there
is a
shott circuit
in lhe air
inlet sensor
input circuit.
.
Malfunction
of
hamess
o
Malfunction
ol
connector
.
Malfunction of the air inlet
sensor
.
Malfunction of the
A/C-ECU
Replace
Check the harness between the air inlet sensor
and
the A/C-ECU.
and repair
if
necessary.
Measure at the A/C-ECU connector C-97.
o
Connect
lhe
connector.
.
Voltage between lerminal (7) and body
eadh
OK:
2.3
-
2.9
V