Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / ABS with EBD system / Malfunction in abs ecu / Inspection procedure
Toyota Corolla (E120): Inspection procedure
1 Reconfirm dtc
- Check the dtc
2 Inspect skid control ecu connector securely connected
3 Inspect skid control ecu connector(ig1 terminal voltage)
In case of using hand–held tester:
- check the voltage condition output from the ecu displayed on the
hand–held tester.
Ok: ”normal” is displayed.
In case of not using hand–held tester:
- disconnect the skid control ecu connector.
- turn the ignition switch to on.
- measure voltage between terminals ig1 (3) and gnd (1,
23) of skid control ecu harness side connector.
Ok: oltage: 10 – 14 v
4 Inspect skid control ecu connector(gnd terminal continuity)
- Measure resistance between terminal gnd (s1–2, 24) of
skid control ecu harness side connector and body
ground.
Resistance: 1 Ω or less
Check and repair harness and connector
5 Go to combination meter system(abs warning light)
- Disconnect the skid control ecu connector.
- using service wire, connect terminals wa (30) and gnd (1, 23) of skid control ecu harness side connector.
- turn the ignition switch to on.
Ok: abs warning light goes off.
Check and replace brake actuator assy
Other materials:
Problem symptoms table
If a normal code is displayed during the dtc check but the problem still
occurs, check the circuits for each
problem symptom in the order given in the table below and proceed to the
relevant troubleshooting page.
Notice:
when replacing skid control ecu, sensor or etc., Turn the ignition swi ...
On–vehicle inspection
1. Washer motor
Operation check
pour the water into the washer jar with the washer
motor and the pump installed to the washer jar assy.
Connect the battery (+) to terminal 2 of the washer
motor and the pump, the battery (–) to terminal 1 of
the washer motor and the pump ...
Replacement
Hint:
for parking brake cable assy no.2, Perform the same procedure to the parking
brake cable assy no.3.
1. Remove rear wheel
2. Remove rear brake drum sub–assy
3. Remove rear brake automatic adjust lever lh
4. Remove front brake shoe
sst 09718–00010
5. Remove parking brake sho ...