Vehicle ignition system Toyota Corona 9 (T190)

General description of the ignition system
The engine electronic control unit is programmed to provide optimum ignition timing in various engine operating modes. Using information about engine operating conditions (rotation speed, coolant temperature, etc), the...

Precautions when working with the ignition system
1. Do not leave the ignition on for more than 10 minutes when the engine is not running. 2. When connecting the tachometer to the ignition system, connect the tachometer live lead to the IG (-) terminal of the ignition...

Spark generation check
1. Disconnect the high-voltage wires from the spark plugs. 2. Remove the spark plugs and reconnect the high-voltage wires to them. 3. (3S-FE, 3S-GE, 4A-FE, 4S-FE, 5E-FE and 7A-FE serial version) Ground (connect to...

Removal and checking high-voltage wires
1. Disconnect the spark plug wires from the spark plugs by holding the spark plugs only by the rubber tips as shown in the figure. Improper handling of the wires may cause internal wire breaks. 2. (Except 3S-GE and...

Checking the ignition system or combined ignition unit (contactless ignition)
Electrical diagram of the ignition system (3S-FE, 4A-FE (serial version), 4S-FE, 5E-FE, 7A-FE): 1 - battery, 2 - diagnostic connector, 3 - main fuse link "MAIN" ("FL 2,0L" - 3S-FE, 4S-FE; "FL 3W" - 4A-FE, 7A-FE), 4 -...

Integrated ignition unit (contactless ignition system)
Distributor (3S-FE, 4S-FE, 5E-FE) or combined ignition unit (4A-FE, 7A-FE): t - wire fastening bracket, 2 - capacitor, 3 - gasket of the combined ignition unit cover (distributor caps), 4 - switch, 5 - housing of the...

Ignition distributor (3S-GE and 4A-FE with Lean burn system)
Ignition system distributor: 1 - distributor housing assembly, 2 - distributor rotor, 3 - distributor cover O-ring seal, 4 - distributor cover Removal 1. Disconnect the cable from the negative terminal of the battery....

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Corona T190 (1992-1997)