Trouble Code: 21 / P1716 - Check Flow 7

TROUBLE CODE: 21 / P1716 - VOLTAGE OF THROTTLE POSITION SENSOR FAULTY

Check Flow	Trouble Code	Phenomenon	Standard
7	21 (P1716)	The voltage of the throttle position sensor (TPS) is faulty.	See below table.

NOTE: The signal voltage from the TPS deviates from the standard range.

Fig 1: Trouble Code P1716, TOD Control Unit Circuit Diagram - Throttle Position Sensor

Courtesy of ISUZU MOTOR CO.

Fig 2: Trouble Code P1716, TOD Control Unit Circuit Diagram - Throttle Position Sensor

Courtesy of ISUZU MOTOR CO.

Fig 3: Identifying Oscilloscope Waveform Graph - Voltage Of Throttle Position Sensor

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Fig 4: Trouble Code P1716, Diagnostic Procedure Chart - Voltage Of Throttle Position Sensor Faulty

Courtesy of ISUZU MOTOR CO.