Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / ABS with EBD system / Malfunction in abs ecu / Circuit description
Toyota Corolla (E120): Circuit description

Hint
: there is a case that hand–held tester cannot be used when ecu is abnormal.
Wiring diagram

Other materials:
On–vehicle inspection
1. Inspect brake booster
Airtightness check.
Start the engine and stop it after 1 or 2 minutes. Depress
the brake pedal several times slowly.
Hint:
if the pedal goes down farthest at the 1st time, but gradually
rises after the 2nd or 3rd time, the booster is airtight.
...
Sound quality is bad only when cd is played(volume is
too low)
Inspection procedure
1 Replace cd with another and recheck
Replace the cd with another and recheck.
Check the installation condition of the radio receiver assembly.
Standard: malfunction disappear.
Check and replace radio receiver assy ...
Parking brake
The parking brake can be
set or released automatically
or manually.
In automatic mode, the
parking brake can be set or
released automatically
according to shift lever
operation.
Also, even in automatic
mode, the parking brake can
be set or released manually.
Operating instructions
■ Using the ma ...


