Toyota Tacoma manuals

Toyota Corolla Repair Manual: Inspection procedure

1 Check source voltage

  1. Measure the voltage of the battery.

    Ok: voltage: 10 14 v

2 Check air bag sensor assy center

2 Check air bag sensor assy center

  1. Disconnect the negative () terminal cable from the battery, and wait at least for 90 seconds.
  2.  disconnect the connectors from the airbag sensor assy center.
  3.  connect the negative () terminal cable to the battery, and wait at least for 2 seconds.
  4.  turn the ignition switch to on.
  5.  check srs warning light light up in the combination meter assy.

    Ok: not srs warning light light up

3 Check wire harness(combination meter assy  airbag sensor assy

3 Check wire harness(combination meter assy airbag 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.  disconnect the connector from the combination meter.

  1. Connect the negative () terminal cable to the battery, and wait at least for 2 seconds.
  2.  turn the ignition switch to on.
  3.  for the connector (on the airbag sensor assy center side) between the airbag sensor assy center and the combination meter, measure the voltage between la and body ground.

    Ok: voltage: below 1 v

Repair or replace combination meter assy or wire harness between

Repair or replace combination meter assy or wire harness between combination meter assy and battery

Circuit description
The srs warning light is located on the combination meter. When the srs is normal, the srs warning light lights up for approx. 6 Seconds after the ignition switch is turned from the lock positio ...

Tc terminal circuit
...

Other materials:

Circuit description
The actuator motor is operated by signals from the cruise control ecu assy. Acceleration and deceleration signals are transmitted by changes in the duty ratio (see below). Duty ratio: the duty ratio is the ratio of the period of continuity in one cycle. For example, if a is the period of co ...

Manual shifting test
1. Perform manual shifting test Hint: by this test, it can be determined whether the trouble is within the electrical circuit or is a mechanical problem in the transaxle. Disconnect the transmission wire connector.  inspect the manual driving operation. Check that the shift and g ...

Terminals of ecu
Oscilloscope wave (*1) Hint: terminal: od gnd gauge set: 5 v / div, 50 ms / div condition: during cruise control driving o/d switch on. ...

2011-2023 Copyright www.tcorolla.net