Subaru 2003 LEGACY Service Manual page 19

8. CHECK HAZARD LIGHT OPERATION
1 CHECK HAZARD LIGHT OPERATION.
Make sure the hazard light blinks when hazard
switch is turned ON.
Does hazard light brink?
2 CHECK OUTPUT SIGNAL.
1) Remove the key from ignition switch.
2) Close all doors and rear gate.
3) Measure voltage between keyless entry
control module harness connector terminal
and chassis ground when LOCK or OPEN
button of transmitter is pressed.
Connector & terminal
(B176) No. 12, No. 13 (+) — Chassis
ground (−):
Does the measured value exceed the spec-
ified value?
9. CHECK ROOM LIGHT OPERATION
1 CHECK ROOM LIGHT OPERATION.
Make sure the room light illuminates when the
room light switch is turned ON.
Does the room light illuminate?
2 CHECK HARNESS BETWEEN ROOM LIGHT
AND KEYLESS ENTRY CONTROL MODULE.
1) Disconnect the keyless entry control mod-
ule harness connector and room light har-
ness connector.
2) Measure the resistance between the key-
less entry control module harness connec-
tor terminal and the room light harness
connector terminal.
Connector & terminal
(B176) No. 11 — (R52) No. 2:
Is the measured value less than the speci-
fied value?
KEYLESS ENTRY SYSTEM
Step
Step
Value
Hazard light blinks.
10 V
Value
Room light illuminates.
10 Ω
SL-17
SECURITY AND LOCKS
Yes
Go to step 2. Check hazard light
circuit.
Check harness for Replace the key-
open or short less entry control
between keyless module.
entry control mod-
ule and turn signal
lights.
Yes
Go to step 2. Check the room
light circuit.
The room light Check the harness
operation circuit is for open circuits or
OK. shorts between
the keyless entry
control module
and room light.
No
No