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Toyota Corolla Repair Manual: How to proceed with troubleshooting

Toyota Corolla Repair Manual / Diagnostics / Audio system / How to proceed with troubleshooting

1 Vehicle brought to workshop

2 Customer problem analysis

2 Customer problem analysis

3 Check and clear dtc

3 Check and clear dtc

4 Problem symptom confirmation

4 Problem symptom confirmation

Symptom does not occur (go to

Symptom does not occur (go to step 5)

5 Symptom simulation

6 Dtc check

6 Dtc check

7 Dtc chart

7 Dtc chart

8 Problem symptoms table

8 Problem symptoms table

9 Circuit inspection

9 Circuit inspection

10 Confirmation test

10 Confirmation test

End

End

Customer problem analysis check

Precheck

Description
1. Radio wave band The radio wave bands used in radio broadcasting are as follows: Lf: low frequency mf: medium frequency hf: high frequency vhf: very high frequency 2. Service area ...

Precheck
1. Diagnosis check Starting diagnosis mode (service check mode)  turn off the audio system and turn the ig switch to acc. While pressing the preset switches 1 and 6 at the s ...

Other materials:

Replacement
Hint: components: 1. Remove radiator grille subassy 2. Remove front bumper cover 3. Remove lh headlamp assy Remove the 3 bolts.  pull out the headlight assy lh forward, then disconnect the bracket of body side. Release the claws and disconnect the connectors as show ...

Auto connection
To turn auto connection mode on, set Bluetooth* Power to on. When you register a phone, auto connection will be activated. Always set it to this mode and leave the Bluetooth phone in a place where a connection can be established. When the engine switch is turned to ACCESSORY or ON <IGNITIO ...

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. ...

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