Subaru Legacy 2003 Service Manual page 463

DIAGNOSTICS FOR ENGINE STARTING FAILURE
ENGINE (DIAGNOSTICS)
7 CHECK TRANSMISSION TYPE.
Is the target AT vehicle?
8 CHECK INPUT VOLTAGE OF INHIBITOR
SWITCH.
1) Turn the ignition switch to OFF.
2) Disconnect the connector from inhibitor
switch.
3) Connect the connector to ignition switch.
4) Measure the input voltage between inhibitor
switch connector terminal and engine
ground while turning ignition switch to ST.
Connector & terminal
(B12) No. 12 (+) — Engine ground (–):
Does the measured value exceed the spec-
ified value?
9 CHECK INHIBITOR SWITCH.
1) Place the selector lever in the "P" or "N"
position.
2) Measure the resistance between inhibitor
switch terminals.
Connector & terminal
(T3) No. 11 — No. 12:
Is the measured value less than specified
value?
Step Value
Target is AT vehicle.
10 V
1 Ω
EN(H4SO)-66
Yes
Go to step 8. Repair open or
short to ground
between ignition
switch and starter
motor.
Go to step 9. Repair open or
ground short cir-
cuit in harness
between inhibitor
switch and ignition
switch.
Repair open or Replace the inhibi-
ground short cir- tor switch. <Ref. to
cuit in harness AT-49, Inhibitor
between inhibitor Switch.>
switch and starter
motor.
No