Inspection Procedure

WARNING: This page is about a different car, the 2007 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.

CHECK DASH WIRE (FRONT PASSENGER SIDE SQUIB (2ND STEP) 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 passenger airbag.
4. Measure the resistance between P2+ and P2- of the A27 dash wire connector on the front passenger airbag (front passenger side squib (2nd step)) side.
  Standard resistance: Below 1 Ω
Fig 1: Checking Dash Wire (Front Passenger Side Squib (2nd Step) Circuit)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE DASH WIRE

OK: GO TO NEXT STEP
CHECK CENTER AIRBAG SENSOR ASSEMBLY
1. Connect the connector to the airbag sensor.
2. Using a service wire, connect P2+ and P2- of the A27 dash wire connector on the front passenger airbag (front passenger side squib (2nd step)) 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 B1186/58 is not output.
  
  HINT:
  
  Codes other than code B1186/58 may be output at this time, but they are not relevant to this check.
Fig 2: Checking Center Airbag Sensor Assembly
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE CENTER AIRBAG SENSOR ASSEMBLY

OK: GO TO NEXT STEP
CHECK FRONT PASSENGER SIDE SQUIB (2ND STEP)
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 front passenger airbag (front passenger side squib (2nd step)) to the dash wire.
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 B1186/58 is not output. HINT:
  
  HINT:
  
  Codes other than code B1186/58 may be output at this time, but they are not relevant to this check.
Fig 3: Checking Front Passenger Side Squib (2nd Step)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE FRONT PASSENGER AIRBAG ASSEMBLY ((FRONT PASSENGER SIDE SQUIB (2ND STEP))

OK: USE SIMULATION METHOD TO CHECK