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Toyota Corolla Repair Manual: Inspection procedure

1 Check side squib(rh) circuit(airbag sensor assy center front seat airbag assy rh)

  1. Disconnect the negative () terminal cable from the battery, and wait at least for 90 seconds.
  2.  disconnect the connectors between the airbag sensor assy center and the front seat airbag assy (rh).
  3.  for the connector (on the front seat airbag assy side) between the airbag sensor assy center and the front seat airbag assy (rh), measure the resistance between sfr+ and body ground.

    Ok: resistance: 1 mΩ or higher

2 Check air bag sensor assy center

2 Check air bag sensor assy center

Sst 0984318040

  1. Connect the connector to the airbag sensor assy center.
  2.  using a service wire, connect sfr+ and sfr of the connector (on the front seat airbag assy side) between the airbag sensor assy center and the front seat airbag assy (rh).
  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 20 seconds.
  5.  clear the dtc stored in memory .
  6. turn the ignition switch to lock, and wait at least for 20 seconds.
  7.  turn the ignition switch to on, and wait at least for 20 seconds.
  8.  check the dtc .

    Ok: dtc b0112/41 is not output.

Hint

: codes other than code b0112/41 may be output at this time, but they are not relevant to this check.

3 Check side squib(rh)

3 Check side squib(rh)

Sst 0984318040

  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 seat airbag assy (rh) 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 20 seconds.
  6.  clear the dtc stored in memory .
  7.  turn the ignition switch to lock, and wait at least for 20 seconds.
  8.  turn the ignition switch to on, and wait at least for 20 seconds.
  9.  check the dtc .

    Ok: dtc b0112/41 is not output.

Hint

: codes other than code b0112/41 may be output at this time, but they are not relevant to this check.

4 Use simulation method to check

4 Use simulation method to check

Replace all srs components including the wire harness

Replace all srs components including the wire harness

Circuit description
The side squib (rh) circuit consists of the airbag sensor assy center and front seat airbag assy (rh). It causes the srs to deploy when the srs deployment conditions are satisfied. Dtc b0112/4 ...

Short in side squib (rh) circuit (to b+)
Dtc b0113/42 short in side squib (rh) circuit (to b+) ...

Other materials:

Switching the display
Press to display or hide the album title. If there is additional text, is displayed. Press and hold to display the remaining text. ■USB memory functions ●Depending on the USB memory that is connected to the system, the device itself may not be operable and certain function ...

Problem symptoms table
The suspected circuits or parts for each problem symptom are shown in the table below. Use this table to troubleshoot the problem when a normal code is displayed in the diagnostic trouble code chart but the problem is still occurring. Numbers in the table indicate the order in which the circ ...

Inspection procedure
1 Check low pitched horn assy Connect the positive (+) lead from the battery to the terminal and negative () lead to the horn body, and check that the horn blows. 2 Check relay (marking: horn) Remove the relay from the engine room j/b.  check the horn relay continu ...

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