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:
Meter display
■ Locations of gauges and meters
Engine coolant temperature gauge
Displays the engine coolant temperature
Outside temperature
Displays the outside temperature within the range of -40ºF (-40ºC) to 140ºF
(60ºC)
Analog speedometer/Tachometer
This setting can be changed on the setting scr ...
Overhaul
Hint:
installation is in the reveres order of the removal. But the
installation is indicated only when it has a
point.
In the rh side, work in the same procedure as in the lh side.
1. Remove rear armrest assy lh
Using a screwdriver, remove the rear armrest.
Hint:
tape the s ...
Inspection procedure
Hint:
troubleshoot each trouble symptom in accordance with the chart below.
1 Clear dtc
Connect the hand–held tester or the obd ii scan tool to the dlc 3.
turn the ignition switch on and push the hand–held tester or the
obd ii scan tool main switch on.
read the dtc . ...


