Tester Connection And Specified Condition

Switch Position

Tester Connection

Specified Condition

Switch pin free

1 - 4

Below 1 ohms

Switch pin pushed in

1 - 4

10 kohms or higher

Switch pin free

2 - 3

10 kohms or higher

Switch pin pushed in

2 - 3

Below 1 ohms

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

Don't pay hundreds of dollars to find out what is wrong with your car. This book is dedicated to helping the do it yourself home and independent technician understand and use OBD-II technology to diagnose and repair their own vehicles.

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