Diesel Data: Automotive Repair

Component Inspection





Component Inspection

1. With Ignition OFF, remove the main relay
2. Measure resistance between terminals 85 and 86 of the main relay (Component side)

Specification : Approx. 70 - 120 Ohms at 20 °C (68 °F)

3. Apply 12V and a ground to 85 and 86 terminals of the main relay (Components side).
4. Check if the main relay works well when it is energized. (If the main relay works normally, a clicking sound can be heard.)




5. Does the main relay operate normally ?