Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / ABS with EBD system / Sfr/Sfl/Srr/Srl solenoid circuit / Circuit description
Toyota Corolla (E120): Circuit description
This solenoid goes on when signals are received from the ecu and controls the pressure acting on the wheel cylinders thus controlling the braking force.
Wiring diagram
Other materials:
Safety information for
Safety Connect
Important! Read this information
before using Safety Connect.
■ Exposure to radio frequency
signals
The Safety Connect system
installed in your vehicle is a
low-power radio transmitter and
receiver. It receives and also
sends out radio frequency (RF)
signals.
In August 1996, the Federal
Communica ...
Circuit description
The actuator motor is operated by signals from the cruise control ecu assy.
Acceleration and deceleration
signals are transmitted by changes in the duty ratio (see below).
Duty ratio:
the duty ratio is the ratio of the period of continuity in one cycle. For
example, if a is the period of co ...
How to proceed with troubleshooting
1 Vehicle brought to workshop
2 Customer problem analysis
3 Check and clear dtc
4 Problem symptom confirmation
Symptom does not occur (go to
step 5)
5 Symptom simulation
6 Dtc check
7 Dtc chart
8 Problem symptoms table
9 Circuit inspection
10 Confirmation test
End
...