Toyota Corolla (E120): Inspection procedure
Hint
: start the inspection from step 1 in case of using the hand–held tester and start from step 2 in case of not using hand–held tester.
1 Inspect brake actuator assy
- Select the datalist mode on the hand–held tester.
- check the operation sound of the abs pump motor when operating it
with the hand–held tester.
Ok: the operation sound of the abs pump motor should be heard.


2 Inspect skid control ecu terminal voltage(+bm terminal voltage)

- Disconnect the skid control ecu connector.
- measure the voltage between terminal +bm (24) and
gnd (23) of skid control ecu harness side connector.
Ok: the operation sound of the abs pump motor should be heard.


Replace brake actuator assy
Other materials:
Inspection procedure
Hint:
read freeze frame data using the hand-held tester or the obd ii scan tool.
Freeze frame data records the
engine conditions when a malfunction is detected. When troubleshooting, it is
useful for determining whether
the vehicle was running or stopped, the engine was warmed up or not, the ...
Problem symptoms table
The suspected circuits or parts for each problem symptom are shown in the
table below. Use this table to
troubleshoot the problem when a normal code is displayed in the diagnostic
trouble code chart but the problem
is still occurring. Numbers in the table indicate the order in which the
circ ...
Inspection procedure
1 Inspect terminal voltage(idl)
Remove the cruise control ecu assy with connector still
connected.
disconnect the ecm connector.
turn the ignition switch to on.
measure voltage between terminal 13 (idl) of cruise control
ecu assy connector and body ground when the ...


