Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Supplemental restraint system / Front airbag sensor (lh)
malfunction
Toyota Corolla (E120): Front airbag sensor (lh) malfunction
Dtc b1158/16 front airbag sensor (lh) malfunction
Dtc b1159/16 front airbag sensor (lh) malfunction
Other materials:
Replacement
1. Remove engine under cover rh
2. Drain coolant
3. Remove front wheel rh
4. Remove cylinder head cover no.2
Remove the 2 nuts, 2 clips and cylinder head cover.
5. Remove fan and generator v belt
Turn the v–ribbed belt tensioner slowly clockwise and
loosen it. Then, remove ...
Circuit description
When the ignition switch is turned on, battery positive voltage is applied to
the coilwhich closes the contacts
of the efi main relay (marked: efi) and supplies power to terminal +b of the ecm.
This signal causes current to flow to the coil, closing the contacts of the efi
relay and supplyin ...
Circuit description
The purpose of this circuit is to prevent the engine from stalling while
driving in lock–up condition, when
brakes are suddenly applied.
When the brake pedal is depressed, this switch sends a signals to the ecm. Then
the ecm cancels the operation
of the lock–up clutch while braking is i ...