Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Supplemental restraint system / Seat belt buckle switch (lh)
malfunction
Toyota Corolla (E120): Seat belt buckle switch (lh) malfunction
Dtc b0126/27 seat belt buckle switch (lh) malfunction
Dtc b0127/27 seat belt buckle switch (lh) malfunction
Other materials:
Starting system
Inspection
1. Inspect starter assy
Notice:
these tests must be performed within 3 to 5 seconds to
prevent burnout of the coil.
perform the pull–in test.
Remove the nut, then disconnect the lead wire from
terminal c.
Connect the battery to the starter repai ...
Inspection procedure
1 Check p/t squib(rh) circuit(airbaga sensor assy center – front
seat outer belt assy rh)
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 seat belt pretensi ...
How to proceed with troubleshooting
The hand–held tester can be used at step 4, 6, 8 and 9.
1 Vehicle brought to workshop
2 Customer problem analysis
3 Warning light check
4 The dtcs check (present and past dtcs)
5 The dtcs chart
6 Circuit inspection
7 Repair
8 Clear the dtcs (present and past dtcs)
9 The dt ...


