2008 Scion xB AutomaticFACTORY OEM SERVICE PROCEDURE

Circuit Protection Devices

CIRCUIT PROTECTION DEVICES LOCATION

Component Location
ABS R/B Right rear of engine compartment. See Figure.
Diode H17 At right side floor pan. See Figure.
Engine Room J/B Left side of engine compartment. See Figure.
Engine Room R/B On left side of engine compartment. See Figure.
Fusible Link Block On left side of engine compartment. See Figure.
Instrument Panel J/B Behind left side of dash. See Figure.
J/B No. 3 Left side of dash. See Figure.
J/B No. 4 Center of dash. See Figure.
Main Body ECU Left side of dash. See Figure.
R/B No. 5 Center of dash. See Figure.
R/B No. 6 Center of dash. See Figure.
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.