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:
Fail–safe chart
If any of the following codes is recorded, the ecm enters the fail–safe mode.
Check for intermittent problems
Hand–held tester only:
by putting the vehicle’s ecm in the check mode, the 1 trip detection logic is
possible instead of the
2 trip detection logic, and the sensitivity to de ...
Initialization
1. Reset memory
Caution:
perform the reset memory (at initialization) when replacing the automatic
transaxle assy, engine
assy or ecm.
Notice:
hand–held tester only
Turn the ignition switch off.
connect the hand–held tester to the dlc3.
turn the ignition switch to th ...
Precaution
1. Work precautions
(A) vehicle protection
(1) when welding, cover glass, seats, carpets, etc. With
heat resistant fireploof covers to protect them.
(B) safety
(1) never stand in the path of the chain when using a puller
on the body or frame, and be sure to attach a safety
cable.
...