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:
Inspection procedure
Hint:
read freeze frame data using the hand-held tester or the obd ii scan tool.
Freeze frame data records the
engine conditions when a malfunction is detected. When troubleshooting, it is
useful for determining whether
the vehicle was running or stopped, the engine was warmed up or not, the ...
Shifting the shift lever
Vehicles without a smart key system:
While the engine switch is in the “ON” position, depress the brake pedal and
move the shift lever.
Vehicles with a smart key system: While the engine switch is in IGNITION ON mode,
depress the brake pedal and move the shift lever.
When shifting the shif ...
Overhaul
Hint: components:
1. Remove front wheel
2. Disconnect front stabilizer link assy lh
Remove the nut and disconnect the front stabilizer link
assy lh from the shock absorber assy front lh.
Hint:
if the ball joint turns together with the nut, use a hexagon (6 mm)
wrench to hold the st ...