Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Supplemental restraint system / Airbag sensor assy malfunction / Inspection procedure
Toyota Corolla (E120): Inspection procedure
1 Check voltage at ig2 of airbag sensor assy center

- Disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds.
- disconnect the connector of the airbag sensor assy center.
- connect the negative (–) terminal cable to the battery, and wait at least for 2 seconds.
- turn the ignition switch to on.
- measure the voltage between e1 (e2) and ig2 of the airbag
sensor assy center connector.
Ok: voltage: 10 – 14 v


2 Check air bag sensor assy center
Sst 09843–18040

- Turn the ignition switch to lock.
- disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds.
- connect the connectors of all the srs components.
- connect the negative (–) terminal cable to the battery, and wait at least for 2 seconds.
- turn the ignition switch to on, and wait at least for 20 seconds.
- clear the dtc stored in memory .
- turn the ignition switch to lock, and wait at least for 20 seconds.
- turn the ignition switch to on, and wait at least for 20 seconds.
- check the dtc .
Ok: dtc b1100/31 is not output.
Hint
: codes other than code b1100/31 may be output at this time, but they are not relevant to this check.


Use simulation method to check
Other materials:
Inspection procedure
1 Inspect park/neutral position switch assy
Disconnect the park/neutral position switch connector.
measure resistance according to the value(s) in the table
below when the shift lever is moved to each position.
Standard:
2 Check harness and connector(park/neutral position ...
Sound quality is bad only when cd is played(volume is
too low)
Inspection procedure
1 Replace cd with another and recheck
Replace the cd with another and recheck.
Check the installation condition of the radio receiver assembly.
Standard: malfunction disappear.
Check and replace radio receiver assy ...
Overhaul
Hint:
overhaul the rh side by the same procedure as the lh side.
1. Remove front wheel
2. Drain brake fluid
Notice:
wash the brake fluid off immediately if it comes into contact with any painted
surface.
3. Remove front disc brake cylinder sub–assy
Remove the union bolt and gasket ...


