2010 Toyota Corolla L4-1.8L (2ZR-FE) B Code Charts Page 153

HINT

When DTC B1650/32 is detected as a result of troubleshooting for the airbag system, check the DTCs stored in the occupant

classification ECU. When DTC B1773 and B1776 are output, perform troubleshooting for those DTCs.

WIRING DIAGRAM

INSPECTION PROCEDURE

HINT

- If troubleshooting (wire harness inspection) is difficult to perform, remove the passenger seat installation bolts to access the

underside of the seat cushion.

- In the above case, hold the seat so that it does not fall down. Holding the seat for a long period of time may damage the seat or

deform the seat rails. Hold the seat only as necessary.

PROCEDURE

1. CHECK CONNECTORS

(a) Turn the ignition switch off.

(b) Disconnect the cable from the negative (-) battery terminal.

(c) Check that the connectors are properly connected to the occupant classification ECU and the seat belt tension sensor.

OK:

The connectors are properly connected.

HINT

If the connectors are not connected securely, reconnect the connectors and proceed to the next inspection.

(d) Disconnect the connectors from the occupant classification ECU and the seat belt tension sensor.