Subaru Legacy 2004 Service Manual page 4025

B: CHECK CRUISE INDICATOR LIGHT & CRUISE SET INDICATOR LIGHT.
TROUBLE SYMPTOM:
Cruise control can be set, but the cruise indicator light & cruise set indicator light do not illuminate.
Step
1 CHECK CRUISE INDICATOR LIGHT &
CRUISE SET INDICATOR LIGHT.
1) Perform the self-diagnosis for combination
meter. <Ref. to IDI-3, SELF-DIAGNOSIS,
INSPECTION, Combination Meter System.>
2) Check the cruise indicator light & cruise set
indicator light illuminate.
2 CHECK LAN COMMUNICATION CIRCUIT
ERROR DISPLAY.
1) Turn the ignition switch to ON again after
completing self-diagnosis.
2) Check that communication error is dis-
played on the odo/trip meter in combination
meter.
Diagnostics with Phenomenon
Does the cruise indicator light
& cruise set indicator light illu-
minate?
Is the error code "Er xx" dis-
played on odo/trip meter?
CC(diag)-11
CRUISE CONTROL SYSTEM (DIAGNOSTICS)
Check Yes
Go to step 2.
Check the LAN
communication cir-
cuit. <Ref. to
LAN(diag)-2, Basic
Diagnostic Proce-
dure.>
No
Replace the meter
case assembly.
<Ref. to IDI-16,
Combination
Meter Assembly.>
Replace the ECM.
<Ref. to FU(H4SO
2.0)-34, Engine
Control Module
(ECM).> <Ref. to
FU(H4SO 2.5)-36,
Engine Control
Module (ECM).>
<Ref. to
FU(H4DOTC)-35,
Engine Control
Module (ECM).>
<Ref. to
FU(H6DO)-34,
Engine Control
Module (ECM).>