toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Automatic Transmission|Page 1124 > < Engine RPM Sensor (NE signal) <--> [Crankshaft Position Sensor]|Description and Operation
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Engine RPM Sensor (NE signal): Testing and Inspection
Automatic Transmission

Spark Test

Check For Spark

- Disconnect high-tension cord from spark plugs.
- Remove the spark plugs.
- Install the spark plugs to each high-tension cord.
- Ground the spark plug.
- Check if spark occurs while engine is being cranked.

HINT: To prevent gasoline from being injected from injectors during this test, crank the engine for no more than 1 - 2 seconds at a time.

If the spark does not occur, perform ignition system inspection.  If spark occurs proceed to STA - E1 circuit test.

Automatic Transmission|Page 1124 > < Engine RPM Sensor (NE signal) <--> [Crankshaft Position Sensor]|Description and Operation