Toyota Corolla (E120): Horn button assy

On–vehicle inspection

Components

Other materials:

Symptom simulation
Hint: the most difficult case in troubleshooting is when no symptoms occurs. In such cases, a thorough customer problem analysis must be carried out. Then the same or similar conditions and environment in which the problem occurred in the customer’s vehicle should be simulated. No matter ho ...

Using the audio system
Optimal use of the audio system Sound quality (treble/bass) and volume balance can be adjusted. 1 Displays the current mode 2 Changes the following setting • Sound quality and volume balance  The sound quality and balance setting can be changed to produce the best sound. • Automatic ...

Inspection procedure
Hint: this dtc chart is on the premise that the engine is cranked normally. If the engine is not cranked, proceed to the problem symptoms table on page 05–42. Read freeze frame data using the hand-held tester or the obd ii scan tool. Freeze frame data records the engine conditions ...