Subaru 2002 IMPREZA Service Manual page 340

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
ENGINE (DIAGNOSTICS)
Step
r
CHECK HARNESS BETWEEN ECM AND
PRESSURE SENSOR CONNECTOR.
Measure the resistance of harness between
ECM and pressure sensor connector.
Connector & terminal
(8135)
NO.
19
-
(E21) NO. 2:
I CHECK POOR CONTACT.
Check poor contact in pressure sensor con-
nector.
CHECK HARNESS BETWEEN ECM AND
PRESSURE SENSOR CONNECTOR.
Check Yes
Is the resistance less than
1
a?
Go to step 8.
Is there poor contact in pres-
sure sensor connector?
Repair poor con-
tact in pressure
sensor connector.
I s
the value more than 282 kPa Repair battery
(2121 mmHg, 83.50 inHg)? short circuit in har-
1)Turn the ignition switch to OFF and Subaru
Select Monitor or the OBD-II general scan tool
switch to OFF.
2)Disconnect the connector from pressure
sensor.
3)Turn the ignition switch to ON and Subaru
Select Monitor or the OBD-II general scan tool
switch to ON.
4)Read the data of intake manifold absolute
iressure signal using Subaru Select Monitor or
OBD-II general scan tool.
NOTE:
*Subaru Select Monitor
For detailed operation procedure, refer to the
"READ CURRENT DATA FOR ENGINE. <Ref.
to EN(D0HC TURBO)-38, Subaru Select Mon-
itor.>
*OBD-II general scan tool
For detailed operation procedures, refer to the
OBD-ll General Scan Tool Instruction Manual.
ness between
ECM and pressure
sensor connector.
No
3epair open circuit
n harness
letween ECM and
lressure sensor
:onnector.
3eplace the pres-
iure sensor. <Ref.
o FU(D0HC
rURBO)-35, Pres-
iure Sensor.>
3eplace the pres-
ure sensor. <Ref.
o
FU(D0HC
rURBO)-35, Pres-
;ure Sensor.>
EN(D0HC TURBO)-I 16