Subaru 2002 IMPREZA Service Manual page 488

I
DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
ENGINE (DIAGNOSTICS)
Yes
3eplace the
?xhaust gas tem-
Ierature sensor.
:Ref. to FU(D0HC
rURBO)-46,
ure
Exhaust Tempera-
Step
CHECK HARNESS BETWEEN EXHAUST
GAS TEMPERATURE SENSOR AND ECM
CONNECTOR.
1)Turn the ignition switch to OFF.
2)Measure the resistance of harness between
exhaust gas temperature sensor connector
and engine ground.
Connector & terminal
(B279) No. 2
-
Engine ground:
No
Repair harness
and connector.
NOTE:
In this case, repair
the following:
harness between
ECM and exhaust
gas temperature
sensor connector
Poor contact in
exhaust gas tem-
perature sensor
connector
Poor contact in
ECM connector
Poor contact in
joint connector
.
Open circuit in
I
Check
s
the resistance less than 5
n?
EN( DOHC TU RB0)-264