TABLE OF CONTENTSIndex
4
Scion_xB_OM_OM12F03U_(U)
4-1. Maintenance and careCleaning and protecting the vehicle exterior ...........  204
Cleaning and protecting  the vehicle interior ............  207
4-2. Maintenance Maintenance requirements ....................  210
General maintenance .........  212
Emission inspection  and maintenance (I/M) 
programs ..........................  216
4-3. Do-it-yourself maintenance Do-it-yourself service precautions ......................  217
Hood...................................  220
Positioning a floor jack .......  222
Engine compartment ..........  224
Tires ...................................  238
Tire inflation pressure.........  246
Wheels ...............................  250
Air conditioning filter ...........  253
Wireless remote control  battery ..............................  256
Checking and replacing  fuses ................................  258
Light bulbs ..........................  268 5-1. Essential information
Emergency flashers ............  280
If your vehicle needs to be towed .......................  281
If you think something is  wrong ................................  287
Fuel pump shut off  system ..............................  288
5-2. Steps to take in an emergency If a warning light turns on or a warning 
buzzer sounds... ...............  289
If you have a flat tire ...........  302
If the engine will not start ....  316
If the shift lever cannot be  shifted from P (automatic 
transmission) ....................  317
If you lose your keys ...........  318
If the vehicle battery is  discharged ........................  319
If your vehicle overheats.....  323
If the vehicle becomes  stuck .................................  326
If your vehicle has  to be stopped 
in an emergency ...............  328
4Maintenance and care5When trouble arises 
262 4-3. Do-it-yourself maintenance
Scion_xB_OM_OM12F03U_(U)
9 H-LP MAIN 50 AH-LP LH LO, H-LP RH LO, H-LP 
LH HI, H-LP RH HI
10 ECU-B2 10 A Air conditioning system
11 ECU-B 10 A Gauges and meters, body ECU, 
vehicle stability control system
12 RAD NO.1 15 A Audio system
13 DOME 10 A Interior light, personal light, lug-
gage compartment light, wireless 
remote control system
14 AM2 NO.2 7.5 A No circuit
15 ALT-S 7.5 A Charging system
16 TURN-HAZ 10 A Turn signal lights, emergency 
flashers
17 ETCS 10 AMultiport fuel injection system/ 
sequential multiport fuel injection 
system
18 AM2 30 AMultiport fuel injection system/ 
sequential multiport fuel injection 
system, starting system
19 STRG LOCK 20 A No circuit
20 SPARE Spare fuse
21 SPARE Spare fuse
22 SPARE Spare fuse
23 EFI MAIN 20 AMultiport fuel injection system/ 
sequential multiport fuel injection 
system, EFI NO.1, EFI NO.2
24 HORN 10 A Horn
FuseAmpereCircuit