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.  connect the negative (–) terminal cable to the battery, and wait at least for 2 seconds.
  4.  turn the ignition switch to on.
  5.  for the orange connector (on the spiral cable sub–assy side) between the horn button assy and the spiral cable sub–assy, measure the voltage between d+ and body ground.

    Ok: voltage: below 1 v

2 Check air bag sensor assy center

2 Check air bag sensor assy center

  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 connector to the airbag sensor assy center.
  4.  using a service wire, connect d+ and d– of the orange connector (on the spiral cable sub–assy side) between the horn button assy and the spiral cable sub–assy.
  5.  connect the negative (–) terminal cable to the battery, and wait at least for 2 seconds.
  6.  turn the ignition switch to on, and wait at least for 20 seconds.
  7.  clear the dtc stored in memory .
  8.  turn the ignition switch to lock, and wait at least for 20 seconds.
  9.  turn the ignition switch to on, and wait at least for 60 seconds.
  10.  check the dtc .

    Ok: dtc b0103/12 is not output.

Hint

: codes other than code b0103/12 may be output at this time, but they are not relevant to this check.

3 Check d squib

3 Check d squib

Sst 09843–18040

  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 b0103/12 is not output.

Hint

: codes other than code b0103/12 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 sub–assy)

  1. Turn the ignition switch to lock.
  2.  disconnect the connectors of the instrument panel wire.
  3.  turn the ignition switch to on.
  4.  for the connector (on the spiral cable sub–assy side) between the airbag sensor assy center and the spiral cable sub–assy, measure the voltage between d+ and body ground.

    Ok: voltage: below 1 v

6 Check spiral cable sub–assy

6 Check spiral cable sub–assy

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

    Ok: voltage: below 1 v

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 sub–assy and horn button assy. It causes the srs to deploy when the srs deployment conditions are satisfied. Dtc b01 ...

Short in p squib circuit
Dtc b0105/53 short in p squib circuit ...

Other materials:

Overhaul
Hint: component: 1. Discharge refrigerant from refrigeration system sst 07110–58060 (07117–58080, 07117–58090, 07117–78050, 07117–88060, 07117–88070, 07117–88080) 2. Disconnect cooler refrigerant suction hose no.1 Install sst to piping clamp. Sst 09870–00015 Hint: confirm the d ...

Although system is powered,cd cannot be played
Wiring diagram Inspection procedure 1 Check if a proper cd is inserted Check that a proper cd is inserted.  Make sure that the cd is a normal audio cd, and that there is no deformation, flaw, stain, burr and other defects on the cd. Standard: normal audio cd. Reference: ...

On–vehicle inspection
1. Inspect drive belt Visually check the belt for excessive wear, frayed cords, etc. If any defect is found, replace the drive belt. Hint: cracks on the rib side of a belt are considered acceptable. If the missing chunks from the ribs are found on the belt, it should be replaced. 2 ...

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