Top Dead Centre Mark On 1kz-te Crank

(TDC or G1 Circuit)

CIRCUIT DESCRIPTION i T

The crankshaft position sensor in the Engine Control System contains signal plate and a pickup coil for TDC signal. The TDC signal plate has 1 tooth on its outer circumference. The TDC signal sensor generates 1 signal for every engine revolution. The engine ECU detects the top dead center by the TDC signals. The engine speed sensor in the Engine Control System contains signal plate and a pickup coil for NE signal: The NE signal plate has 52 teeth and is mounted in the injection pump. The NE signal sensor generates 52 signals of engine 2 revolutions. The engine ECU detects the engine speed and cam lift position of the injection pump.

The engine ECU uses TDC signal and NE signals for injection timing control. And NE signal is used for injection volume control, also.

DTC No.

DTC Code Detecting Condition

Trouble Area

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