Inspection Procedure

WARNING: This page is about a different car, the 2008 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.

CHECK CONNECTION OF CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the cable from the negative (-) battery terminal, and wait for at least 90 seconds.
3. Check that the connectors are properly connected to the center airbag sensor, rear airbag sensor LH and the side airbag sensor LH.
  OK:
  
  The connectors are properly connected.
NG: CONNECT CONNECTOR

OK: Go to next step

CHECK FLOOR WIRE (OPEN)

Disconnect the connectors from the center airbag sensor and the side airbag sensor LH.
Using a service wire, connect K9-4 (BBL+) and K9-3 (BBL-) of connector C.
NOTE: Do not forcibly insert the service wire into the terminals of the connector when connecting.

Measure the resistance of the wire harness side connector.

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Specified Condition
K1-24 (BBD+) - K1-23 (BBD-)	Below 1 Ω

Fig 1: Identifying Floor Wire (Open)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE FLOOR WIRE

OK: Go to next step

CHECK FLOOR WIRE (SHORT)

Disconnect the service wire from connector C.

Measure the resistance of the wire harness side connector.

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Specified Condition
K1-24 (BBD+) - K1-23 (BBD-)	1 MΩ or higher

Fig 2: Identifying Floor Wire (Short)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE FLOOR WIRE

OK: Go to next step

CHECK FLOOR WIRE (TO B+)

Connect the cable to the negative (-) battery terminal, and wait for at least 2 seconds.
Turn the ignition switch ON.

Measure the voltage of the wire harness side connector.

Standard voltage

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Specified Condition
K1-24 (BBD+) - Body ground	Below 1 V
K1-23 (BBD-) - Body ground	Below 1 V

Fig 3: Identifying Floor Wire (To B+)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE FLOOR WIRE

OK: Go to next step

CHECK FLOOR WIRE (TO GROUND)

Turn the ignition switch OFF.
Disconnect the cable from the negative (-) battery terminal, and wait for at least 90 seconds.

Measure the resistance of the wire harness side connector.

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Specified Condition
K1-24 (BBD+) - Body ground	1 MΩ or Higher
K1-23 (BBD-) - Body ground	1 MΩ or Higher

Fig 4: Identifying Floor Wire (To Ground)

NG: REPAIR OR REPLACE FLOOR WIRE

OK: Go to next step

CHECK SIDE AIRBAG SENSOR LH

Connect the connectors to the center airbag sensor.
Interchange the side airbag sensor RH with the side airbag sensor LH and connect the connectors to them.

Fig 5: Identifying Side Airbag Sensor LH
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Connect the cable to the negative (-) battery terminal, and wait for at least 2 seconds.
Turn the ignition switch ON, and wait for at least 60 seconds.
Clear the DTCs (see DTC CHECK / CLEAR ).
Turn the ignition switch OFF.
Turn the ignition switch ON, and wait for at least 60 seconds.

Check for DTCs (see DTC CHECK / CLEAR ).

Result

RESULT

Result	Proceed to
DTC B1622/81 and B1627/82 are not output.	A
DTC B1627/82 is output.	B
DTC B1622/81 is output.	C

HINT:

DTCs other than DTC B1622/81 and B1627/82 may be output at this time, but they are not related to this check.

B: REPLACE SIDE AIRBAG SENSOR LH

C: REPLACE CENTER AIRBAG SENSOR ASSEMBLY

A: USE SIMULATION METHOD TO CHECK