toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Knock Sensor > < Ignition Coil|Testing and Inspection
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Using SST, measure the air gap between the signal rotor and pickup coil projection. 
SST 09240-00020
Air gap: 0.2-0.45 mm (0.008-0.018 in.)

If the air gap is not as specified, replace the distributor housing assembly.

DISCONNECT DISTRIBUTOR CONNECTOR

INSPECT SIGNAL GENERATOR (PICKUP COIL) RESISTANCE

Using an ohmmeter, measure the resistance between terminals. 

Pickup coil resistance

If the resistance is not as specified, replace the distributor housing assembly.

RECONNECT DISTRIBUTOR CONNECTOR

REINSTALL ROTOR AND DISTRIBUTOR CAP

INSPECT CRANKSHAFT POSITION SENSOR

DISCONNECT CRANKSHAFT POSITION SENSOR CONNECTOR

Knock Sensor > < Ignition Coil|Testing and Inspection