Toyota Corolla (E120) 2002–2008 Repair Manual / Drive shaft / propeller shaft / Drive shaft, propeller shaft, axle / Problem symptoms table
Toyota Corolla (E120): Problem symptoms table
Problem symptoms table use the table below to help you find the cause of the problem. The numbers indicate the priority of the likely cause of the problem. Check each part in order. If necessary, replace these parts.

Other materials:
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 supplyin ...
Wiring diagram
1 Inspect terminal voltage(pi)
(a) turn
Turn the ignition switch to on.
measure voltage between terminal 5 (pi) of cruise control
ecu assy and body ground, when the cruise control main
switch button is on and off.
Ok:
2 Inspect combination meter assy
3 Check harn ...
Replacement
Hint: components:
1. Place front wheels facing straight ahead
2. Remove front wheels
3. Remove engine under cover lh
4. Remove engine under cover rh
5. Remove exhaust pipe
6. Drain transaxle oil
7. Remove hood sub–assy
8. Remove cylinder head cover no.2
9. Remove air cleaner assy
10. R ...


