Toyota Corolla (E120): 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 in the srs, the srs warning light lights up to inform the driver of the abnormality.
When terminals tc and cg of the dlc3 are connected, the dtc is displayed by blinking the srs warning light.
Wiring diagram

Other materials:
Overhaul
1. Remove console panel upper
2. Remove console box carpet
3. Remove parking brake hole cover sub–assy
4. Remove console box sub–assy rear
5. Disconnect floor shift cable transmission control shift
Remove the cable end from the rod of the floor shift assembly.
Using a s ...
Purpose of the readiness tests
The on–board diagnostic (obd ii) system is designed to monitor the
performance of emission–related
components and report any detected abnormalities in the form of diagnostic
trouble codes
(dtcs). Since the various components need to be monitored during different
driving condition ...
Inspection procedure
Hand–held tester:
1 Perform active test by hand–held tester(operation of circuit
opening relay)
Connect the hand–held tester to the dlc3.
turn the ignition switch on and push the hand–held tester main
switch on.
select the item ”diagnosis / enhanced obd ii / active ...


