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:

Air outlets
■ Location of air outlets The air outlets and air volume changes according to the selected airflow mode. : Some models ■ Adjusting the position of and opening and closing the air outlets ► Front center outlets Direct air flow to the left or right, up or down. ► Fron ...

Replacement
1. Remove combination meter assembly 2. Disconnect brake master cylinder push rod clevis  remove the clip and push rod clevis pin and wave washer, and disconnect the push rod clevis from the brake pedal. 3. Remove brake pedal support subassy Remove the bolt from the brake ...

Precaution
1. Check that the battery cables are connected to the correct terminals. 2. Disconnect the battery cables when the battery is given a quick charge. 3. Do not perform tests with a high voltage insulation resistance tester. 4. Never disconnect the battery while the engine is running. 5. Check that ...

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