Toyota Corolla (E120): Replacement
Hint
: components:
1. Precaution
2. Disconnect battery negative terminal
3. Remove horn button assy
- Place the front wheels facing straight ahead.
- using a torx socket wrench (t30), loosen the 2 torx screws until the groove along the screw circumference catches on the screw case.
- Pull out the horn button assy from the steering wheel assy.
- using a screwdriver, release the lock part of each airbag connector and disconnect the 2 airbag connectors.
4. Inspect horn button assy
5. Install horn button assy
- connect the airbag connectors and horn connector.
- install the horn button assy after confirming that the circumference groove of the torx screws is caught on the screw case.
- using a torx socket wrench (t 30), install the 2 screws.
Torque: 8.8 Nvm (90 kgfvcm, 78 in.Vlbf)
6. Inspect srs warning light
Other materials:
Circuit description
In the diagram below, when the engine is cranked, current flows from terminal
st2 of the ignition switch to
the starter relay coil and also current flows to terminal sta of the ecm (sta
signal).
When the sta signal and ne signal are input to the ecm, tr is turned on, current
flows to the c ...
Wiring
Power source
Location
...
Inspection procedure
1 Prepare for inspection
Disconnect the negative (–) terminal cable from the battery, and wait at
least for 90 seconds.
remove the horn button assy .
disconnect the connector of the instrument panel passenger airbag assy
.
disconnect the connector of the front sea ...