Subaru Impreza 2002 Service Manual page 3553

SECURITY AND LOCKS
Symptom
The room light and ignition switch illu-
mination operation does not activate.
2. CHECK TRANSMITTER BATTERY
Step
1 CHECK TRANSMITTER BATTERY.
1)Remove the battery from transmitter. <Ref.
to SL-37, REMOVAL, Keyless Transmitter.>
2)Check the battery voltage. <Ref. to SL-37,
INSPECTION, Keyless Transmitter.>
3. CHECK FUSE
Step
1 CHECK FUSE.
Remove and visually check the fuse No. 2 (in
the main fuse box), No. 3 (in the fuse and relay
box) and SBF-6 (in the main fuse box)
4. CHECK POWER SUPPLY AND GROUND CIRCUIT
Step
1 CHECK POWER SUPPLY.
1)Disconnect the keyless entry control module
harness connector.
2)Measure the voltage between harness con-
nector terminal and chassis ground.
Connector & terminal
(B176) No. 5, No. 15, No. 16 (+) — Chas-
sis ground (–):
KEYLESS ENTRY SYSTEM
Repair order
1. Check the transmitter battery.
2. Check the room light operation.
3. Check the ignition switch illumination circuit.
4. Check the key warning switch.
5. Check the door switch.
6. Replace the keyless entry control module.
Is the battery voltage OK?
Is the fuse blown? (15 A and
30 A)
Is the voltage more than 10 V? Go to step 2.
SL-14
<Ref. to SL-14, CHECK TRANSMIT-
TER BATTERY, INSPECTION, Key-
less Entry System.>
<Ref. to SL-17, CHECK ROOM
LIGHT OPERATION, INSPECTION,
Keyless Entry System.>
<Ref. to SL-17, CHECK IGNITION
SWITCH ILLUMINATION CIRCUIT,
INSPECTION, Keyless Entry Sys-
tem.>
<Ref. to SL-16, CHECK KEY WARN-
ING SWITCH, INSPECTION, Keyless
Entry System.>
<Ref. to SL-15, CHECK DOOR
SWITCH, INSPECTION, Keyless
Entry System.>
<Ref. to SL-36, Keyless Entry Control
Module.>
Check
Further inspection
is necessary, refer
to "SYMPTOM
CHART". <Ref. to
SL-13, SYMP-
TOM CHART,
INSPECTION,
Keyless Entry Sys-
tem.>
Check
Replace the fuse
with a new one.
Check
Reference
Yes No
Replace the trans-
mitter battery.
Yes No
Check the power
supply and ground
circuit. <Ref. to
SL-14, CHECK
POWER SUPPLY
AND GROUND
CIRCUIT,
INSPECTION,
Keyless Entry Sys-
tem.>
Yes No
Check the harness
for open circuits or
shorts between
keyless entry con-
trol module and
fuse.