Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Supplemental restraint system
Toyota Corolla (E120): Supplemental restraint system
- How to proceed with troubleshooting
- Pre–check
- Diagnostic trouble code chart
- Terminals of ecu
- Problem symptoms table
- Short in d squib circuit
- Open in d squib circuit
- Short in d squib circuit (to ground)
- Short in d squib circuit (to b+)
- Short in p squib circuit
- Open in p squib circuit
- Short in p squib circuit (to ground)
- Short in p squib circuit (to b+)
- Short in side squib (rh) circuit
- Open in side squib (rh) circuit
- Short in side squib (rh) circuit (to ground)
- Short in side squib (rh) circuit (to b+)
- Short in side squib (lh) circuit
- Open in side squib (lh) circuit
- Short in side squib (lh) circuit (to ground)
- Short in side squib (lh) circuit (to b+)
- Seat belt buckle switch (lh) malfunction
- Short in p/t squib (rh) circuit
- Open in p/t (rh) circuit
- Short in p/t squib (rh) circuit (to ground)
- Short in p/t squib (rh) circuit (to b+)
- Short in p/t squib (lh) circuit
- Open in p/t squib (lh) circuit
- Short in p/t squib (lh) circuit (to ground)
- Short in p/t squib (lh) circuit (to b+)
- Airbag sensor assy malfunction
- Harf connection in airbag sensor assy connector
- Side airbag sensor assy (rh) malfunction
- Side airbag sensor assy (lh) malfunction
- Seat position airbag sensor malfunction
- Front airbag sensor (rh) malfunction
- Front airbag sensor (lh) malfunction
- Short in d squib (2nd step) circuit
- Open in d squib (2nd step) circuit
- Short in d squib (2nd step) circuit (to ground)
- Short in d squib (2nd step) circuit (to b+)
- Short in p squib (2nd step) circuit
- Open in p squib (2nd step) circuit
- Short in p squib (2nd step) circuit (to ground)
- Short in squib (2nd step) circuit (to b+)
- Source voltage drop
- Srs warning light circuit malfunction (always light up, when dtc is not output)
- Srs warning light circuit malfunction (does not light up, when ignition switch is turned to on)
- Tc terminal circuit
Other materials:
Problem symptoms table
If a normal code is displayed during the dtc check but the problem still
occurs, check the circuits for each
problem symptom in the order given in the table below and proceed to the
relevant troubleshooting page.
Notice:
when replacing skid control ecu, sensor or etc., Turn the ignition swi ...
If a warning message or indicator is displayed (vehicles with a multi-information
display)
If a warning is shown on the multi-information display, stay calm and perform
the following actions:
1 Master warning light
The master warning light also comes on or flashes in order to indicate that a message
is currently being displayed on the multiinformation display.
2 Multi-information d ...
Inspection procedure
1 Check side squib(lh) circuit(airbag sensor assy center – front
seat airbag assy lh)
Disconnect the negative (–) terminal cable from the battery,
and wait at least for 90 seconds.
disconnect the connectors between the airbag sensor
assy center and the front seat airbag assy ...