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:
Circuit description
If the engine coolant temperature (ect) does not reach 75°c (167°f) despite
sufficient warm – up time has
elapsed.
Dtc no
Dtc detection condition
Trouble area
P0128
Condition (a), (b) and (c):
cold start
after engine is warmed up
& ...
Interior
SRS airbags
Floor mats
Front seats
Head restraints
Seat belts
Console box
Inside lock buttons
Cup holders
Rear seats
Rear seat heater switches*
*: If equipped
■Ceiling
Inside rear view mirror
Sun visors
Vanity mirrors
Vanity lights*
Interior lights/personal lights
Moon roof sw ...
Replacement
1. Remove combination meter assembly
2. Disconnect brake master cylinder push rod clevis
remove the clip and push rod clevis pin and wave washer, and
disconnect the push rod clevis from
the brake pedal.
3. Remove brake pedal support sub–assy
Remove the bolt from the bra ...


