Toyota Corolla Repair Manual: Circuit description
When the ignition switch is turned on, battery positive voltage is applied to the coilwhich closes the contacts of the efi main relay (marked: efi) and supplies power to terminal +b of the ecm.
This signal causes current to flow to the coil, closing the contacts of the efi relay and supplying power to terminal +b of the ecm.
If the ignition switch is turned off, the ecm continues to switch on the efi relay for a maximum of 2 seconds for the initial setting of the isc valve.
Wiring diagram
Inspection procedure
1 Inspect ecm(+b voltage)
Turn the ignition switch on.
measure the voltage between the terminals of the e4 and
e6 ecm connectors.
Standard:
2 Check harness and connector(ec ...
Other materials:
Terminals of ecu
1. Inspect integration relay
Disconnect the connector from the integration relay.
check the continuity between each terminal of the disconnected connector
and the body ground, as
shown in the illustration and table.
Standard:
If the result is not as specified, the vehicle’s si ...
Spiral cable sub–assy
Components
Replacement
Hint: components:
1. Precaution
2. Disconnect battery negative terminal
3. Place front wheels facing straight ahead
check that the front wheels are facing straight ahead.
4. Remove horn button assy
5. Remove steering wheel assy
sst 09950–50013 (0 ...
Side mudguard sub–assy lh
Replacement
Hint:
use the same procedures for the rh side and lh side.
1. Remove side mudguard sub–assy lh
Using a clip remover, remove the 8 retainers and 9 clips.
using a moulding remover, remove the mudguard.
2. Install side mudguard sub–assy lh
Install the mudguard ...