Subaru Legacy 2002 Service Manual page 2649

DIAGNOSTICS CHART WITH SELECT MONITOR
VDC (Diagnostics)
No.
9 CHECK POOR CONTACT IN CONNEC-
TORS.
10 CHECK TCM.
1) Connect connector to TCM.
2) Disconnect connector from VDCCM.
3) Measure resistance between steering angle
sensor terminals.
Connector & terminal
(B231) No. 1 — No. 2:
11 CHECK POOR CONTACT IN CONNEC-
TORS.
12 CHECK VDCCM.
1) Connect all connectors.
2) Erase the memory.
3) Perform inspection mode.
4) Read out the diagnostic trouble code.
13 CHECK DIAGNOSTIC TROUBLE CODE.
14 CHECK AT SYSTEM DIAGNOSTIC
TROUBLE CODE.
Step
Is there poor contact in
steering angle sensor?
Is the resistance more than
1 MΩ?
Is there poor contact in
steering angle sensor?
Are other diagnostic trouble
codes being output?
Is the same diagnostic
trouble code as in the cur-
rent diagnosis still being
output?
Is the AT system diagnostic
trouble code No. 86?
VDC-190
Check Yes
Replace VDCCM.
<Ref. to VDC-9,
VDC Control Mod-
ule (VDCCM).>
Go to step 12.
Replace TCM.
<Ref. to AT-49,
Transmission
Control Module
(TCM).>
Go to step 13.
Go to step 14.
Replace steering
angle sensor.
No
Repair or replace
VDCCM connec-
tor.
Go to step 11.
Repair or replace
TCM connector.
A temporary poor
contact.
Proceed with the
diagnosis corre-
sponding to the
diagnostic trouble
code.
Replace VDCCM.
<Ref. to VDC-9,
VDC Control Mod-
ule (VDCCM).>