Subaru IMPREZA GD 2007 Series Manual page 3090

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Diagnostic Procedure with Diagnostic Trouble Code (DTC)
Step
15 CHECK CENTER DIFFERENTIAL.
1) Turn the ignition switch to OFF.
2) Connect the Subaru Select Monitor to the
data link connector.
3) Turn the ignition switch and run the Subaru
Select Monitor.
4) Change the driver's control center differen-
tial to manual mode.
5) Release the parking brake.
6) Switch the center differential control dial in
the lock position.
7) In the Subaru Select Monitor, read "center
differential indicated current" and "center differ-
ential actual current" data.
16 CHECK CENTER DIFFERENTIAL.
1) Operate the center differential control dial
so that the "center differential indicated current"
becomes "2A".
2) Read the data of the "center differential
actual current" data using the Subaru Select
Monitor.
MANUAL TRANSMISSION AND DIFFERENTIAL (DIAGNOSTICS)
Check
Is the center differential indi-
cated current and the center
differential actual current both
approximately 3.6 — 4.0 A?
Is the center differential actual
current about the same as the
center differential indicated cur-
rent?
6MT(diag)-55
Yes No
Go to step 16. Repair the poor
contact.
The center differ- Repair the poor
ential circuit is cur- contact.
rently operating
properly. A tempo-
rary poor contact of
connector or har-
ness may be the
cause.
Repair the harness
or connector in the
center differential
circuit.