Toyota Tacoma manuals

Toyota Corolla Repair Manual: Inspection procedure

1 Check low pitched horn assy

  1. 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)

2 Check relay (marking: horn)

  1. Remove the relay from the engine room j/b.
  2.  check the horn relay continuity, as shown in the illustration and table.

Standard:

3 Check wire harness (tvip ecu  engine room j/b)

3 Check wire harness (tvip ecu  engine room j/b)

  1. Remove the horn relay from the engine room j/b.
  2.  check the continuity between the terminals of the tvip ecu and engine room j/b connectors, as shown in the illustration and table.

Standard:

*: Horn relay terminal

*: Horn relay terminal

4 Check wire harness (engine room j/b  horn)

4 Check wire harness (engine room j/b  horn)

  1. Check the continuity between the terminals of the engine room j/b and horn connectors, as shown in the illustration and table.

Standard:

*: Horn relay terminal.

*: Horn relay terminal.

Check and replace tvip ecu

Check and replace tvip ecu

Circuit description

When the tvip system is transferred from the armed state to the alarm sounding state, the tvip ecu switches on the horn relay so that it can sound the horns. The horn sounds in 0.4 Seconds interv ...

Light control switch circuit
Wiring diagram Inspection procedure 1 Check headlamp dimmer switch assy (light control switch) 2 Check wire harness (tvip ecu  light control switch) Disconnect the tvip ecu and ...

Other materials:

Onvehicle inspection
1. Washer motor Operation check pour the water into the washer jar with the washer motor and the pump installed to the washer jar assy.  Connect the battery (+) to terminal 2 of the washer motor and the pump, the battery () to terminal 1 of the washer motor and the pump. ...

Maintenance requirements
To ensure safe and economical driving, day-to-day care and regular maintenance are essential. It is the owners responsibility to perform regular checks. Toyota recommends the following maintenance: General maintenance General maintenance should be performed on a daily basis. This can be done ...

Inspection procedure
Hint: the switch described in this text is a switch for transmitting signals which is built in the door control transmitter. 1 Check wireless door lock control functions Normal 2 Replace transmitter battery with normal one After replacing the transmitter battery with a new or normal o ...

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