maintenance SUBARU BRZ 2013 1.G Repair Manual

325
4-3. Do-it-yourself maintenance
4
Maintenance and care
Transmitter/access key batter y
Replace the battery with a new one if it is depleted.
■You will need the following items: ●Flathead screwdriver
● Lithium battery CR2016 (vehicles without a keyless access
with push button start system), or CR1632 (vehicles with a
keyless access with push button start system)
■Replacing the battery (vehicles without a keyless access
with push button start system)
Remove the cover.
To prevent damage to the key,
cover the tip of the screwdriver
with a rag.
To prevent the buttons from
being disassembled, face the
button surface downward.
Remove the module.
STEP1
STEP2

326
4-3. Do-it-yourself maintenance
Open the case cover using a
coin protected with tape and
remove the depleted battery.Insert a new battery with the
“+” terminal facing up.
■Replacing the battery (vehicles with a keyless access with
push button start system) Take out the mechanical key.
Remove the cover.
To prevent damage to the key,
cover the tip of the screwdriver
with a rag.
STEP3
STEP1
STEP2

327
4-3. Do-it-yourself maintenance
4
Maintenance and care
■Use a CR2016 (vehicles without a keyless access with push button
start system) or CR1632 (vehicles with a keyless access with push but-
ton start system) lithium battery
●Batteries can be purchased at your SUBARU dealer, local electrical
appliance shops or camera stores.
●Replace only with the same or equivalent type recommended by the
manufacturer.
●Dispose of used batteries according to local laws.
■If the key battery is depleted
The following symptoms may occur:
●The keyless access with push button start system (if equipped) and
remote keyless entry system will not function properly.
●The operational range will be reduced.
■When putting the module back (vehicles without a keyless access with
push button start system) Remove the depleted battery.
Insert a new battery with the
“+” terminal facing up.
STEP3
Insert the module from directly above.
Inserting it on an angle may prevent the
key buttons from operating properly.

328
4-3. Do-it-yourself maintenance
WARNING
■Removed battery and other parts
Keep away from children. These parts are small and if swallowed by a child,
they can cause choking. Failure to do so could result in death or serious
injury.
CAUTION
■For normal operation after replacing the battery
Observe the following precautions to prevent accidents:
●Always work with dry hands.
Moisture may cause the battery to rust.
●Do not touch or move any other component inside the remote control.
●Do not bend either of the battery terminals.

329
4-3. Do-it-yourself maintenance
4
Maintenance and care
Checking and replacing fuses
If any of the electrical components do not operate, a fuse may have
blown. If this happens, check and replace the fuses as necessary.Vehicles without a keyless access with push button
start system
Turn the engine switch off.
Vehicles with a keyless access with push button start
system
Turn the push-button ignition switch off.
Open the fuse box cover.
Engine compartment Push the tabs in and lift the lid
off.
Instrument panel Remove the lid.
STEP 1
STEP 2

330
4-3. Do-it-yourself maintenance
After a system failure, see “Fuse layout and amperage rat-
ings” (→P. 332) for details about which fuse to check.
Remove the fuse with the pull-
out tool.
Check if the fuse has blown.
Ty p e A Normal fuse
Blown fuse
Replace it with one of an
appropriate amperage rating.
The amperage rating can be
found on the fuse box lid.
Ty p e B Normal fuse
Blown fuse
Replace it with one of an
appropriate amperage rating.
The amperage rating can be
found on the fuse box lid.STEP 3
STEP 4
STEP 5

331
4-3. Do-it-yourself maintenance
4
Maintenance and care
Ty p e CNormal fuse
Blown fuse
Contact your SUBARU dealer.
Ty p e D Normal fuse
Blown fuse
Contact your SUBARU dealer.

332
4-3. Do-it-yourself maintenance
Fuse layout and amperage ratings
■Engine compartment
FuseAmpereCircuit
1 MIR HTR 7.5 A Outside rear view mirror defoggers
2 RDI 25 A Electric cooling fan
3 (PUSH-AT) 7.5 A Engine control unit
4 ABS NO. 1 40 A ABS
5 HEATER 50 A Air conditioning system
6 WASHER 10 A Windshield washer
7 WIPER 30 A Windshield wipers
8 RR DEF 30 A Rear window defogger
9 (RR FOG) 10 A 
10 D FR DOOR 25 A Power window (driver’s side)
11 (CDS) 25 A Electric cooling fan
12 D-OP 25 A 
13 ABS NO. 2 25 A ABS
14 D FL DOOR 25 A Power window (passenger’s side)
15 SPARE See note. Spare fuse

333
4-3. Do-it-yourself maintenance
4
Maintenance and care
16SPARE See note. Spare fuse
17 SPARE See note. Spare fuse
18 SPARE See note. Spare fuse
19 SPARE See note. Spare fuse
20 SPARE See note. Spare fuse
21 ST 7.5 A Starting system
22 ALT-S 7.5 A Charging system
23 (STR LOCK) 7.5 A Steering lock system
24 D/L 20 A Power door lock
25 ETCS 15 A Engine control unit
26 (AT+B) 7.5 A Transmission
27 (AM2 NO. 2) 7.5 A Keyless access with push button
start system
28 EFI (CTRL) 15 A Engine control unit
29 EFI (HTR) 15 A Multiport fuel injection system/
sequential multiport fuel injection
system
30 EFI (IGN) 15 A Starting system
31 EFI (+B) 7.5 A Engine control unit
32 HAZ 15 A Turn signal lights, hazard warning
flashers
33 MPX-B 7.5 A Automatic air condi
tioning system,
gauge and meters
34 F/PMP 20 A Multiport fuel injection system/
sequential multiport fuel injection
system
35 IG2 MAIN 30 A SRS airbag system, engine control unit
36 DCC 30 A Interior light, remote keyless entry
system, main body ECU
FuseAmpereCircuit

334
4-3. Do-it-yourself maintenance
Note
One of each of the following spare fuses are provided: 7.5 A, 10 A, 15
A, 20 A, 25 A, 30 A.37
HORN NO. 2 7.5 A Horn
38 HORN NO. 1 7.5 A Horn
39 H-LP LH LO 15 A Left-hand headlight (low beam)
40 H-LP RH LO 15 A Right- hand headlight (low beam)
41 H-LP LH HI 10 A Left-hand headlight (high beam)
42 H-LP RH HI 10 A Right-hand headlight (high beam)
43 INJ 30 A Multiport fuel injection system/
sequential multiport fuel injection
system
44 H-LP WASHER 30 A 
45 AM2 NO. 1 40 A Starting system, engine control unit
46 EPS 80 A Electric power steering
47 A/B MAIN 15 A SRS airbag system
48 ECU-B 7.5 A Remote keyless entry system,
main body ECU
49 DOME 20 A Interior light
50 IG2 7.5 A Engine control unit
FuseAmpereCircuit