Toyota Corolla (E120): Brake
- Brake system
- Brake fluid
- Brake pedal sub–assy
- Brake master cylinder sub–assy
- Brake booster assy
- Front brake
- Rear brake
- Proportioning valve assy
- Brake actuator assy
- Speed sensor front lh
- Skid control sensor
- Parking brake system
- Parking brake lever sub–assy
- Parking brake cable assy no.1
- Parking brake cable assy no.3
Other materials:
Terminals of ecu
Oscilloscope wave (*1)
Hint:
terminal: od – gnd
gauge set: 5 v / div, 50 ms / div
condition: during cruise control driving o/d switch on.
...
Circuit description
While driving uphill with cruise control activated, in order to minimize gear
shifting and provide smooth cruising
overdrive may be prohibited temporarily under some conditions.
The cruise control ecu sends o/d cut signals to the ecm as necessary and the ecm
cancels overdrive
shifting until ...
Circuit inspection
1 Check d squib circuit(airbag sensor assy center – horn button
assy)
Disconnect the negative (–) terminal cable from the battery,
and wait at least for 90 seconds.
disconnect the connectors between the airbag sensor
assy center and the horn button assy.
connect the ...