Trouble Code: 14 / P1731 - Check Flow 2

TROUBLE CODE: 14 / P1731 - VOLTAGE OF FRONT SPEED SENSOR FAULTY

Check Flow	Trouble Code	Phenomenon	Standard
2	14 (P1731)	Front speed sensor signal open or GND short, speed sensor COM open.	0.2V > Sensor voltage.

NOTE: The following procedure shows the case that the front or rear sensor common grounding line is broken.

Fig 1: Trouble Code P1731, TOD Control Unit Circuit Diagram - Front Speed Sensor Signal

Courtesy of ISUZU MOTOR CO.

Fig 2: Trouble Code P1731, Diagnostic Procedure Chart - Front Speed Sensor Signal Faulty

Courtesy of ISUZU MOTOR CO.