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Toyota Corolla Repair Manual: Seat belt buckle switch (lh) malfunction

Toyota Corolla Repair Manual / Diagnostics / Supplemental restraint system / Seat belt buckle switch (lh) malfunction

Dtc b0126/27 seat belt buckle switch (lh) malfunction

Dtc b0127/27 seat belt buckle switch (lh) malfunction

Inspection procedure
1 Check side squib(lh) circuit(airbag sensor assy center Ц front seat airbag assy lh) Disconnect the negative (Ц) terminal cable from the battery, and wait at least for 90 seconds.   ...

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 ...

Other materials:

Circuit inspection
1 Check d squib circuit(airbag sensor assy center Ц horn button assy) Disconnect the negative (Ц) terminal cable from the battery, and wait at least for 90 seconds.  disconnect the connectors between the airbag sensor assy center and the horn button assy.  connect the nega ...

Circuit description
Refer to dtc p0120 Dtc no. Dtc detection condition Trouble area P0121 The following condition is met 4 times. After the vehicle speed has exceeded 19 mph (30 km/h) once, the throttle position sensor output value is out of normal range when the throttle ...

Locking the doors from the outside without a key
1 Move the inside lock button to the lock position. 2 Close the door. ► Vehicles without a smart key system The door cannot be locked if either of the front doors is open and the key is in the engine switch. ► Vehicles with a smart key system The door cannot be locked if the engin ...

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