Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Supplemental restraint system / Tc terminal circuit / Circuit description
Toyota Corolla (E120): Circuit description
Dtc output mode is set by connecting between tc and cg of the dlc3.
The dtcs are displayed by blinking the srs warning light.
Wiring diagram
Hint
: when each warning light stays blinking, ground short in the wiring until the terminal tc of the dlc3 or internal ground short in each ecu is suspected.
Other materials:
Replacement
1. Remove engine under cover rh
2. Remove fan and generator v belt
3. Remove generator assy
Disconnect the wire clamp from the wire clip on the rectifire
end frame.
remove the rubber cap and nut, and disconnect the alternator
wire.
disconnect the alternator connecto ...
Inspection procedure
1 Check p squib circuit(airbag sensor assy center – instrument
panel passenger airbag assy)
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 instrument panel ...
Inspection procedure
1 Input signal check
See the input signal check on page 05–745.
check the indicator light when the clutch pedal is depressed.
Ok:
the indicator light goes off when the clutch pedal is
depressed.
2 Inspect terminal voltage(d)
Turn the ignition switch to on.
&n ...