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:

Speed control main switch assy
Replacement 1. Disconnect battery negative terminal 2. Inspect place front wheels facing straight ahead 3. Remove horn button assy 4. Remove steering wheel assy sst 0995050013 (0995105010, 0995205010, 0995305020, 0995405021) 5. Remove speed control main switch assy Remove the 2 sc ...

Replacement
1. Remove engine under cover rh 2. Drain coolant 3. Remove fan and generator v belt 4. Remove generator assy Disconnect the wire clamp from the wire clip on the rectifire end frame.  remove the rubber cap and nut, and disconnect the alternator wire.  disconnect the ...

Other functions
■ Switching between outside air and recirculated air modes Press . The mode switches between outside air mode (indicator off) and recirculated air mode (indicator on) each time is pressed. ■ Defogging the windshield Defoggers are used to defog the windshield and front side windows ...

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