Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Supplemental restraint system / Srs warning light circuit malfunction (does not light
up, when ignition switch is turned to on)
Toyota Corolla (E120): Srs warning light circuit malfunction (does not light up, when ignition switch is turned to on)
Other materials:
Replacement
1. Disconnect battery negative terminal
2. Remove engine under cover rh
3. Remove starter assy
Disconnect the starter connector.
open the terminal cover.
remove the nut, then disconnect the starter wire.
remove the 2 bolts, then remove the starter.
4. Install starter a ...
Overhaul
Hint:
overhaul the rh side by the same procedures with lh side.
1. Remove rear wheel
2. Drain brake fluid
Notice:
wash the brake fluid off immediately if it comes into contact with any painted
surface.
3. Remove rear brake drum sub–assy
Release the parking brake lever, and remove t ...
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 ...


