Inspection Procedure

WARNING: This page is about a different car, the 2006 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.

CHECK NO. 1 FLOOR WIRE (FRONT PRETENSIONER SQUIB LH CIRCUIT)
1. Turn the ignition switch to LOCK.
2. Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 seconds.
3. Disconnect the connectors from the center airbag sensor and the front seat outer belt LH.
4. Measure the resistance between PL+ and PL- of the P21 No. 1 floor wire connector on the seat belt pretensioner LH (front pretensioner squib LH) side.
  Standard resistance: Below 1 Ω
NG: REPAIR OR REPLACE NO. 1 FLOOR WIRE

Fig 1: Checking No. 1 Floor Wire (Front Pretensioner Squib LH Circuit)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: GO TO NEXT STEP
CHECK CENTER AIRBAG SENSOR ASSEMBLY
1. Connect the connector to the center airbag sensor.
2. Using a service wire, connect PL+ and PL- of the P21 No. 1 floor wire connector on the seat belt pretensioner LH (front pretensioner squib LH) side.
3. Connect the negative (-) terminal cable to the battery, and wait at least for 2 seconds.
4. Turn the ignition switch to ON, and wait at least for 10 seconds.
5. Clear the DTC stored in memory (see DTC CHECK/CLEAR ).
6. Turn the ignition switch to LOCK, and wait at least for 10 seconds.
7. Turn the ignition switch to ON, and wait at least for 10 seconds.
8. Check the DTC (see DTC CHECK/CLEAR ).
  OK: DTC B0136/74 is not output.
  
  HINT:
  
  Codes other than code B0136/74 may be output at this time, but they are not relevant to this check.
NG: REPLACE CENTER AIRBAG SENSOR ASSEMBLY

Fig 2: Identifying DLC3 Connector Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: GO TO NEXT STEP
CHECK FRONT PRETENSIONER SQUIB LH
1. Turn the ignition switch to LOCK.
2. Disconnect the negative (-) terminal cable from the battery, and wait at least for 90 seconds.
3. Connect the seat belt pretensioner LH (front pretensioner squib LH) connector.
4. Connect the negative (-) terminal cable to the battery, and wait at least for 2 seconds.
5. Turn the ignition switch to ON, and wait at least for 10 seconds.
6. Clear the DTC stored in memory (see DTC CHECK/CLEAR ).
7. Turn the ignition switch to LOCK, and wait at least for 10 seconds.
8. Turn the ignition switch to ON, and wait at least for 10 seconds.
9. Check the DTC (see DTC CHECK/CLEAR ).
  OK: DTC B0136/74 is not output.
  
  HINT:
  
  Codes other than code B0136/74 may be output at this time, but they are not relevant to this check.
NG: REPLACE SEAT BELT PRETENSIONER LH (FRONT PRETENSIONER SQUIB LH)

Fig 3: Identifying DLC3 Connector Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: USE SIMULATION METHOD TO CHECK