Toyota Corolla (E120): Circuit description
The seat belt buckle switch (lh) circuit consists of the airbag sensor assy center and front seat inner belt assy (lh).
Dtc b0126/b0127/27 is recorded when a malfunction is detected in the seat belt buckle switch (lh) circuit.
Wiring diagram
Other materials:
Replacement
1. Remove console box sub–assy rear
2. Remove parking brake lever sub–assy
3. Remove exhaust pipe assy front
4. Remove front floor heat insulator no.1
Remove the 3 nuts and front floor insulator no.1.
5. Remove front floor heat insulator no.2
Remove the 2 nuts and front ...
Inspection procedure
Hint:
start the inspection from step 1 in case of using the hand–held tester and start
from step 2 in case of not
using the hand–held tester.
1 Read value of hand–held tester(front speed sensor)
Select the datalist mode on the hand–held tester.
check that there is no differe ...
Circuit description
The rotary solenoid type idle air control (iac) valve is located
under the throttle body and intake air bypassing the throttle
valve flows into the iac valve through the passage.
In this way the intake air volume bypassing the throttle valve is
regulated, controls the engine speed.
The ...