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Toyota Corolla Repair Manual: How to proceed with troubleshooting

Toyota Corolla Repair Manual / Diagnostics / Combination meter / How to proceed with troubleshooting

1 Vehicle brought to workshop

2 Customer problem analysis

2 Customer problem analysis

3 Problem symptom confirmation

3 Problem symptom confirmation

4 Circuit inspection

4 Circuit inspection

5 Repair or replace

5 Repair or replace

6 Confirmation test

6 Confirmation test

7 End

7 End

Customer problem analysis check

Location

Combination meter
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Location
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Other materials:

Circuit description
The throttle position sensor is mounted in the throttle body and detects the throttle valve opening angle. When the throttle valve is fully closed, a voltage of approximately 0.3 To 1.0 V is applied to terminal vta of the ecm. The voltage applied to terminal vta of the ecm increases in pro ...

Windshield/windowglass/mirror
Preparation Recomended tools Equipment Ssm ...

Inspection procedure
1 Check p squib circuit(airbag sensor assy center Ц instrument panel passenger airbag assy) Disconnect the negative (Ц) terminal cable from the battery, and wait at least for 90 seconds.  disconnect the connectors between the airbag sensor assy center and the instrument panel pas ...

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