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Toyota Corolla Repair Manual: Communication system

Toyota Corolla Repair Manual / Communication system

Horn system

Location

Problem symptoms table

Problem symptoms table

Inspection

Inspection

1. Inspect low pitched horn assy

  1. Connect the positive (+) lead from the battery to the terminal and the negative () lead to the horn body, and check that the horn blows.

If the result is not as specified, replace the horn.

2. Inspect horn relay assy (marking: horn)

  1. Remove the horn relay from the engine room j/b.
  2.  inspect the horn relay continuity.

Standard:

If the result is not as specified, replace the relay.

If the result is not as specified, replace the relay.

Wiring
Power source Location ...

Windshield/windowglass/mirror
...

Other materials:

Onvehicle inspection
1. Check battery electrolyte level Check the electrolyte quantity of each cell (maintenancefree battery).  If under the lower level, replace the battery (or add distilled water if possible) and check the charging system.  check the electrolyte quantity of each cell (e ...

Inspection procedure
1 Inspect fuse(stop) Turn the ignition switch to off.  remove the stop fuse from the instrument panel j/b.  check continuity of the stop fuse. Ok: continuity 2 Inspect stop lamp switch assy Disconnect the stop lamp switch assy connector. check continuity betw ...

Check open circuit
For the open circuit in the wire harness in fig. 1, Perform a resistance check in step (b) or a voltage check in step (c) to locate the section. Check the resistance.  Disconnect connectors a and c and measure the resistance between them. Resistance: 1 Ω or les ...

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