Subaru Impreza 2003 Service Manual page 3141

24.Keyless Transmitter
A: REMOVAL
1. TRANSMITTER BATTERY
Remove the screw (A) from transmitter, and then
remove the battery.
NOTE:
To prevent static electricity damage to transmitter
printed circuit board, touch the steel area of build-
ing with hand to discharge the static electricity car-
ried on body or clothes before disassembling
transmitter.
OPEN LOCK
(A) Screw
B: INSTALLATION
1. TRANSMITTER BATTERY
Install in the reverse order of removal.
C: INSPECTION
1. TRANSMITTER BATTERY
Measure the voltage between battery (+) terminal
and (–) terminal.
NOTE:
• Battery discharge occurs during measurement.
Complete the measurement within 5 seconds.
• During battery voltage measurement, voltage
falls more than 1.8 volts in 3 seconds period.
(A) Resistance 300 Ω
KEYLESS TRANSMITTER
(A)
SL-00210
(A)
SL-00066
Tester connection
(+)
Battery (+) termi-
nal
If NG, replace the battery. (Use CR1620 or equiva-
lent.)
D: REPLACEMENT
1. TRANSMITTER REGISTRATION
NOTE:
• A maximum of three transmitters can be regis-
tered for each individual vehicle.
• When replacing the transmitter (key), registration
to immobilizer system is also necessary.
1) Remove the side sill cover at driver's side, then
connect the registration connectors at front pillar
lower section.
2) Push the door lock switch at driver's side to UN-
LOCK, and then unlock the door lock.
3) Press any button of the transmitter twice to be
registered, while pushing the door lock switch to
UNLOCK.
4) The door lock will automatically lock and unlock
in sequence. This indicates the completion of trans-
mitter registration for first transmitter.
5) If the registration of second and third transmitter
is now to be carried out, repeat the procedure 3)
and 4).
6) Disconnect the registration connectors after the
completion of all registration operations. After con-
firming the operation of door lock using newly reg-
istered transmitter(s), reinstall the side sill cover at
driver's side.
SL-43
SECURITY AND LOCKS
Standard
(–)
Battery (–) termi-
2.5 — 3.0 V
nal