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4-3. Do-it-yourself maintenance
Radiator and condenser
Check the radiator and condenser and clear any foreign objects.
If either of the above parts are extremely dirty or you are not sure of their
condition, have your vehicle checked by your Lexus dealer.
Brake fluid
■Checking fluid level
The brake fluid level should be
between the “MAX” and “MIN”
lines on the tank.
Make sure to check the fluid type and prepare the necessary items.
■Adding fluid
CAUTION
■When the engine is hot
Do not touch the radiator or condenser, as they may be hot and you may be burned.
Fluid typeFMVSS No.116 DOT 3 or SAE J1703 brake fluid
ItemsClean funnel
■Brake fluid can absorb moisture from the air
Excess moisture in the fluid can cause a dangerous loss of braking efficiency. Use
only newly opened brake fluid.
408
4-3. Do-it-yourself maintenance
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.
Turn the “ENGINE START STOP” switch OFF.
Remove the engine compartment cover. (→P. 3 76)
Open the fuse box cover.
Engine compartment
Push the tabs in and lift the lid
off.
Driver's side instrument panel
Remove the lid.
After a system failure, see “Fuse layout and amperage ratings”
(→P. 4 1 1) for details about which fuse to check.
STEP1
STEP2
STEP3
STEP4
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4-3. Do-it-yourself maintenance
4
Maintenance and care
Fuse layout and amperage ratings
■Engine compartment
FuseAmpereCircuit
1PSB30 APre-collision seat belt
2H-LP CLN30 A
3P- P / S E AT30 APo w e r s e a t
4RR DEF50 ARear window defogger
5ABS NO.230 AAnti-lock brake system, vehicle stabil-
ity control system
6FA N M A I N50 AElectric cooling fans
7ABS NO.150 AAnti-lock brake system, vehicle stabil-
ity control system
8HTR50 AAir conditioning system
9RR FOG10 A
10ALT-CDS10 AAlternator condenser
11ST30 AStarting system
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4-3. Do-it-yourself maintenance
12ALT140 A
PSB, H-LP CLN, P-P/SEAT, RR DEF,
ABS NO.2, FAN MAIN, ABS NO.1,
HTR, RR FOG, RR DOOR RH, RR
DOOR LH, FUEL OPN, FR FOG,
OBD, STOP, TI & TE, A/C, PWR,
DOOR NO.2, S/ROOF, GAUGE
NO.2, POWER, P/SEAT
13STR LOCK20 ASteering lock system
14IG220 A
GAUGE NO.2, IGN, multiport fuel
injection system/sequential multiport
fuel injection system
15HAZ15 ATurn signal lights
16ETCS10 AElectronic throttle control system
17E-ACM10 AElectric active control mount
18A/C CTRL PNL15 AAir conditioning system
19MAYDAY10 AMayday system
20ALT-S7. 5 ACharging system
21AM27. 5 AStarting system
22EFI MAIN30 AEFI NO.2, EFI NO.3, fuel system, ECT
system
23AMP30 AAudio system
24AMP230 AAudio system
25DOOR NO.125 APower door lock system
26RADIO NO.115 AAudio system
27ECU-B NO.110 AECU powers
28DOME10 AInterior lights, meters, vanity lights
29H-LP (LH)15 ALeft-hand headlight (high beam)
FuseAmpereCircuit
