GSIC - Global Service Information Center

### DTC P0717/67 Input Speed Sensor Circuit No Signal

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## DESCRIPTION

The O/D direct clutch speed sensor (NC0) detects the rotation speed of the O/D input shaft from the rotation speed of the O/D input shaft from the rotation of the O/D direct clutch drum. Its construction is the same as that of the No. 2 vehicle speed sensor (SP2).
By comparing the O/D direct clutch speed sensor (NC0) signal with the No. 2 vehicle speed sensor (SP2) signal, the TCM detects the shift timing of the gears and controls the engine torque and hydraulic pressure according to various conditions, providing smooth gear shift.

DTC No. | DTC Detection Condition | Trouble Area

P0717/67

1. All conditions below are detected for 5 sec. or more
   (2 trip detection logic):

1. Gear changes not being performed
2. Gear position: 1st, 2nd or 3rd
3. Transmission input shaft rpm: 300 rpm or less
4. Transmission output shaft rpm: 500 rpm or more
5. Park/Neutral position switch: OFF
6. Shift solenoid valve S1, S2, SL and vehicle speed sensor (SP1) are in operating normally

1. Open or short in O/D direct clutch speed sensor (NC0) circuit
2. O/D direct clutch speed sensor (NC0)
3. TCM

## MONITOR DESCRIPTION

The input speed sensor (NC0) detects the transmission input shaft speed. The TCM determines the gear shift timing based on a comparison of the input speed sensor (NC0) (input shaft speed) with the output speed sensor (output shaft speed).
When the output shaft speed is higher than the expected value and the input shaft speed is 300 rpm or less while the vehicle is running with the shift lever on D, the TCM will conclude that there is a malfunction in the input speed sensor (NC0). The TCM will illuminate the MIL and set the DTC.

## WIRING DIAGRAM

## INSPECTION PROCEDURE

1.CHECK O/D DIRECT CLUTCH SPEED SENSOR INSTALLATION

1. Check the speed sensor installation.

   OK:
     Installation bolt is tightened properly and there is no clearance between sensor and transmission case.

| NG |

SECURELY INSTALL SENSOR OR REPLACE SENSOR

OK |

2.INSPECT O/D DIRECT CLUTCH SPEED SENSOR

1. Disconnect the T6 sensor connector from the transmission.

1. Measure the resistance of the sensor.

   Standard resistance:

     Tester Connection | Condition | Specified Condition
     1 - 2 | 20°C (68°F) | 560 to 680 Ω

   HINT:

     Reference: Inspect using an oscilloscope.
     Check the waveform of the TCM connector.

   Standard voltage:
     Refer to illustration.:

     Item | Content
     Tester Connection | T19-3 (NC0+) - T19-2 (NC0-)
     Tool Setting | 5 V/DIV, 0.5 msec./DIV.
     Condition | Vehicle speed 20 km/h (12 mph)

| NG |

REPLACE O/D DIRECT CLUTCH SPEED SENSOR

OK |

3.CHECK WIRE HARNESS (O/D DIRECT CLUTCH SPEED SENSOR)

1. Disconnect the T19 TCM connector.

1. Measure the resistance of the wire harness side connector.

   Standard resistance:

     Tester Connection | Condition | Specified Condition
     T19-3 (NC0+) - T19-2 (NC0-) | 20°C (68°F) | 560 to 680 Ω
     T19-3 (NC0+) - Body ground | 20°C (68°F) | 10 kΩ or higher
     T19-2 (NC0-) - Body ground | 20°C (68°F) | 10 kΩ or higher

| NG |

REPAIR OR REPLACE HARNESS AND CONNECTOR

OK |

REPLACE TCM