Igniter And Pick Up Coils For Toyota 4a-fe Distributors

Note: This procedure applies only to the 1.6 litre 4A-FE engine.

1 Ensure the ignition is switched off.

Pick-up coil check

2 Disconnect the electrical connector at the distributor and, using an ohmmeter, measure the resistance between the pick-up coil terminals (see illustration).

3 Compare the measurements to those listed in this Chapter's Specifications. If the resistance is not as specified, it may be necessary to renew the complete distributor housing as, at the time of writing, it appears that parts are not available separately.

Air gap check

4 Undo the bolts and remove the distributor cap.

5 Using a brass feeler gauge, measure the gap between the signal rotor and the pick-up coil projections (see illustration). Compare your measurement to the air gap listed in this Chapter's Specifications. If the air gap is not as specified, renew the distributor, as the air gap is not adjustable. Excessive air gap is usually a sign of wear in the distributor shaft bushing.

Renewal

6 It would appear that, at the time of writing, no parts are available for the distributor. Check with a Toyota dealer or specialist.

Toyota Corolla 1991 4afe Idle ControlIgniter Toyota Corolla 4afe

5.5 Measure the air gap between the signal rotor and the pick-up coil projection

5.2 Connect an ohmmeter to the pick-up coil connections and compare the resistances with those given in the Specifications

5.5 Measure the air gap between the signal rotor and the pick-up coil projection

Ignition Coil 4afe

6.3 Exploded view of the distributor - 1.6 litre 4A-FE engines only

6 Igniter -

renewal

6.3 Exploded view of the distributor - 1.6 litre 4A-FE engines only

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