Toyota Tacoma manuals

Toyota Corolla Repair Manual: Inspection procedure

1 Prepare for inspection

  1. Disconnect the negative () terminal cable from the battery, and wait at least for 90 seconds.
  2.  remove the horn button assy .
  3.  disconnect the connector of the instrument panel passenger airbag assy .
  4.  disconnect the connector of the front seat airbag assy rh and lh .
  5.  disconnect the connector of the seat belt pretensioner rh and lh .
  6.  disconnect the connectors of the airbag sensor assy center .
  7.  disconnect the connector of the airbag front rh sensor and airbag sensor front lh ( and 6042).
  8.  disconnect the connector of the side airbag sensor assy rh and lh
  9.  disconnect the connector of the seat position airbag sensor .

Caution

: store the horn button assy, instrument panel passenger airbag assy and front seat airbag assy with the front surface facing upward.

2 Check source voltage

2 Check source voltage

  1. Connect the negative () terminal cable to the battery, and wait at least for 2 seconds.
  2.  turn the ignition switch to on, and wait at least for 60 seconds.
  3.  measure the voltage between e1 (e2) and terminal ig2 on the sensor and operate electric system (defogger, wiper, headlight, heater blower, etc.).

    Ok: voltage: 10 14 v

3 Check srs warning light turn off

3 Check srs warning light turn off

  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 instrument panel passenger airbag assy connector.
  5.  connect the front seat airbag assy rh and lh connectors.
  6.  connect the seat belt pretensioner rh and lh connectors.
  7.  connect the airbag sensor assy center connectors
  8.  connect the front airbag sensor rh and lh connectors.
  9.  connect the side airbag sensor assy rh and lh connectors.
  10.  connect the seat position airbag sensor connector.
  11.  connect the negative () terminal cable to the battery.
  12.  turn the ignition switch to on, and wait at least for 60 seconds.
  13.  operate electric system (defogger, wiper headlight, heater blower, etc.) And check that srs warning light goes off.

    Ok: srs warning light is not light up.

4 Check air bag sensor assy center

4 Check air bag sensor assy center

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 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 is not output.

Use simulation method to check

Use simulation method to check

Source voltage drop
The srs is equipped with a voltageincrease circuit (dcdc converter) in the airbag sensor assy center in case the source voltage drops. When the battery voltage drops, the voltageincrease circ ...

Srs warning light circuit malfunction (always light up, when dtc is not output)
...

Other materials:

Inspection procedure
Hint: troubleshoot each trouble symptom in accordance with the chart below. 1 Clear dtc Connect the handheld tester or the obd ii scan tool to the dlc 3.  turn the ignition switch on and push the handheld tester or the obd ii scan tool main switch on.  read the dtc . & ...

Inside vehicle
General maintenance Performing these maintenance checks on the vehicle in the owners responsibility. The owner may perform the maintenance or take the vehicle to a service center. Check the parts of the vehicle described below on a daily basis. In most cases, special tool are not required ...

Replacement
1. Drain brake fluid Notice: wash the brake fluid off immediately if it comes into contact with any painted surface. 2. Remove air cleaner cap subassy 3. Remove air cleaner case subassy  remove the air cleaner element, then remove the 3 bolts and air cleaner case subassy. 4. ...

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