Subaru Legacy 2002 Service Manual page 2506

DIAGNOSTICS CHART WITH DIAGNOSIS CONNECTOR
No.
1 OPERATE VDC OFF SWITCH.
1) Operate VDC OFF switch.
2) Turn ignition switch OFF, then turn ignition
switch ON.
2 CHECK ENGINE COOLANT TEMPERA-
TURE.
3 CHECK VDC OFF SWITCH.
Remove and check VDC OFF switch.
<Ref. to VDC-32, VDC Off Switch.>
4 CHECK WIRING HARNESS.
1) Turn ignition switch to OFF.
2) Disconnect VDCCM connector from
VDCCM.
3) Turn ignition switch to ON.
5 CHECK VDC OFF SWITCH LINE.
1) Disconnect fuse from VDC OFF switch.
2) Measure resistance between VDCCM con-
nector and chassis ground.
Connector & terminal
(F87) No. 40 — Chassis ground:
Step
Is VDC OFF indicator light
off?
Does VDC OFF indicator
light come on when engine
coolant temperature is too
low? Does it go out after
engine has warmed up?
Is VDC OFF switch OK?
Does the VDC OFF indica-
tor light remain off?
Is the resistance more than
1 MΩ?
VDC-47
Check Yes
The VDC is nor-
mal.
The VDC is nor-
mal.
Go to step 4.
Go to step 5.
Replace VDCCM.
<Ref. to VDC-9,
VDC Control Mod-
ule (VDCCM).>
VDC (Diagnostics)
No
Go to step 2.
Go to step 3.
Replace VDC
OFF switch.
Repair wiring har-
ness.
Repair VDC OFF
switch circuit.