Diesel Data: Automotive Repair

Pick-Up Coil: Testing and Inspection

***UPDATED BY TSB# EN91-007, JUNE 1991

1. Remove distributor cap.

Pickup Coil Resistance:





2. Disconnect primary ignition wire connector at distributor.

2. Using an ohmmeter measure the resistance between NE- and NE+ wires.

Pickup Coil Resistance: 370 - 530 ohms

Pickup Coil Air Gap:





3. Using a non magnetic feeler gauge, measure the gap between the signal rotor and the pickup coil projections.

Pickup Coil Air Gap: 0.008 - 0.016 in (0.2 - 0.4 mm)

4. The air gap is not adjustable. If any of the above test results are outside specifications, replace distributor assembly.