Toyota Corolla (E120): Check and replace ecu
Notice
: start an inspection of the connector from the backside of the connector on the wire harness side with the connector connected to the ecu.
When no measurement condition is specified, perform the inspection with the engine stopped and also the ignition switch on.
- First check the ecu ground circuit. If it is faulty, repair it.
If it is normal, the ecu could be faulty. In this case, replace the ecu with one that functions normally and check if the symptoms appear.
- Measure the resistance between the ecu ground
terminal and body ground.
Resistance: 1 Ω or less

- Disconnect the ecu connector, check the ground terminals on the ecu side and wire harness side for bends and check the contact pressure.

Other materials:
Inspection procedure
1 Check wire harness(dlc3 – airbag sensor assy center)
Turn the ignition switch to the lock position.
disconnect the aribag sensor assy center connector.
measure the resistance according to the value(s) in the
table below.
Standard:
2 Check wire harness(cg of dl ...
Replacement
Hint:
installation is according to the reverse order of the removal.
1. Remove rear door weatherstrip rh
2. Remove rear door weatherstrip lh
3. Remove rear seat cushion assy (, 72–8)
4. Remove rear seat back assy (fixed type rear seat)
5. Remove separate type rear seat back assy (separate ...
Windshield wipers and washer
Operating the lever can use
the windshield wipers or the
washer.
NOTICE
■When the windshield is dry
Do not use the wipers, as they
may damage the windshield.
Operating the wiper lever
Operating the lever operates
the wipers or washer as follows.
(U.S.A.) or
(Canada)
Intermittent windshield ...


