Toyota Corolla Repair Manual: 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(ecm – body ground)
- Disconnect the e4 ecm connector.
- check the resistance between the wire harness side connectors.
Standard (check for open):
- Reconnect the ecm connector
3 Inspect ignition or starter switch assy
- Disconnect the i10 ignition switch connector.
- check for continuity between the connector terminals shown in the chart below.
- Reconnect the ignition switch connector.
4 Check fuse(efi fuse)
- Remove the efi fuse from the engine room r/b.
- check for continuity in the efi fuse.
Standard: continuity
- reinstall the efi fuse.
5 Inspect efi relay
- Remove the efi relay from the engine room r/b.
- check for continuity in the circuit efi relay.
Standard:
- Reinstall the efi fuse.
6 Check harness and connector(efi relay – ecm, efi relay – body ground)
- Check the harness and connector between the efi relay and ecm.
- Remove the efi relay from the engine room r/b.
- Disconnect the e6 ecm connector.
- Check the resistance between the wire harness side connectors.
Standard (check for open):
Standard (check for short):
- Reconnect the ecm connector.
- Reinstall the efi relay.
- check the harness and connector between the efi relay and body ground.
- Remove the efi relay from the engine room r/b.
- Check the resistance between the wire harness side connector and body ground.
Standard (check for open):
- Reinstall the efi relay.
Check and repair harness and connector (terminal +b of ecm – battery positive terminal)
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.
...
Other materials:
On–vehicle inspection
1. Inspect brake booster
Airtightness check.
Start the engine and stop it after 1 or 2 minutes. Depress
the brake pedal several times slowly.
Hint:
if the pedal goes down farthest at the 1st time, but gradually
rises after the 2nd or 3rd time, the booster is airtight.
...
Circuit description
The srs warning light is located on the combination meter.
When the srs is normal, the srs warning light lights up for approx. 6 Seconds
after the ignition switch is
turned from the lock position to on position, and then turns off automatically.
If there is a malfunction is the srs, the srs ...
Refueling
Opening the fuel tank cap
Perform the following steps to open the fuel tank cap:
Before refueling the vehicle
● Close all the doors and windows, and turn the engine switch off.
● Confirm the type of fuel.
■Fuel types
Unleaded gasoline (Octane rating 87 [Research Octane Number ...
