Subaru Legacy 2005 Service Manual page 4104

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Diagnostic Procedure with Diagnostic Trouble Code (DTC)
CRUISE CONTROL SYSTEM (DIAGNOSTICS)
F: DTC 22 AND 32 VEHICLE SPEED SENSOR
DIAGNOSIS:
Disconnection or short circuit of vehicle speed sensor system.
TROUBLE SYMPTOM:
Cruise control cannot be set. (Cancelled immediately.)
Step
1
CHECK ABS WARNING LIGHT.
1) Turn the ignition switch to ON.
2) After the combination meter initial operation
is completed, confirm that the ABS warning
light continues to illuminate.
2
CHECK LAN COMMUNICATION CIRCUIT
ERROR DISPLAY.
Check that the communication error is dis-
played on the odo/trip meter in combination
meter.
Check
Does the ABS warning light
continue to illuminate?
Is the error code "Er xx" dis-
played on odo/trip meter?
CC(diag)-32
Yes
Check ABSCM or
Go to step 2.
VDCCM <Ref. to
ABS(diag)-2,
Basic Diagnostic
Procedure.> or
<Ref. to
VDC(diag)-2,
Basic Diagnostic
Procedure.>
Check the LAN
Replace the ECM.
communication cir-
<Ref. to FU(H4SO
cuit. <Ref. to
2.0)-34, Engine
LAN(diag)-2, Basic
Control Module
Diagnostic Proce-
(ECM).> <Ref. to
dure.>
FU(H4SO 2.5)-37,
Engine Control
Module (ECM).>
<Ref. to
FU(H4DOTC)-34,
Engine Control
Module (ECM).>
<Ref. to
FU(H6DO)-34,
Engine Control
Module (ECM).>
No

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