Toyota Tacoma manuals

Toyota Corolla Repair Manual: Inspection procedure

1 Check d squib circuit(airbag sensor assy center horn button assy)

  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 horn button assy.
  3.  for the orange connector (on the spiral cable subassy side) between the horn button assy and the spiral cable subassy, measure the resistance between d+ and body ground.

    Ok: resistance: 1 mw 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 d+ and d of the orange connector (on the spiral cable subassy side) between the horn button assy and the spiral cable subassy.
  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 t 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 b0102/11 is not output.

Hint

: codes other than code b0102/11 may be output at this time, but they are not relevant to this check.

3 Check d squib

3 Check d squib

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 horn button assy connectors.
  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 b0102/11 is not output.

Hint

: codes other than code b0102/11 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

5 Check instrument panel wire(airbag sensor assy center spiral cable subassy)

  1. Disconnect the connector of the instrument panel wire.
  2.  for the connector (on the spiral cable subassy side) between the airbag sensor assy center and the spiral cable subassy, measure the resistance between d+ and body ground.

    Ok: resistance: 1 mΩ or higher

6 Check spiral cable subassy

6 Check spiral cable subassy

  1. For the orange connector (on the spiral cable subassy side) between the horn button assy and the spiral cable subassy, measure the resistance between d+ and body ground.

    Ok: resistance: 1 mΩ or higher

7 Use simulation method to check

7 Use simulation method to check

Replace all srs components including the wire harness

Replace all srs components including the wire harness

Circuit description
The d squib circuit consists of the airbag sensor assy center, spiral cable subassy and horn button assy. It causes the srs to deploy when the srs deployment conditions are satisfied. Dtc b01 ...

Short in d squib circuit (to b+)
Dtc b0103/12 short in d squib circuit (to b+) ...

Other materials:

Cleaning and protecting the vehicle interior
The following procedures will help protect your vehicles interior and keep it in top condition: Protecting the vehicle interior Remove dirt and dust using a vacuum cleaner. Wipe dirty surfaces with a cloth dampened with lukewarm water. Cleaning the synthetic leather areas ● Remove loo ...

Inspection procedure
1 Check fuse(ecuig) Remove the ecuig fuse from the instrument panel j/b.  check the continuity of the ecuig fuse. Ok: continuity 2 Inspect terminal voltage(b) Remove the cruise control ecu assy with connector still connected.  turn the ignition switch to on. ...

Sound quality is bad in all modes (volume is too low)
Wiring diagram Inspection procedure 1 Adjust sound quality Adjust the sound quality.  Operate the radio receiver assy to adjust the sound quality. Standard: malfunction disappear. 2 Compare it with another car of same model Compare it with another vehicle of the same mo ...

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