Nissan Sentra manuals

Nissan Sentra Service Manual: C1607, C1608 EPS Control unit

DTC Logic

DTC DETECTION LOGIC

Dtc

Display item

Malfunction detected condition

Possible cause

C1607 EEPROM When the memory (EEPROM) system malfunction is detected in EPS control unit. Eps control unit
C1608 CONTROL UNIT When the internal malfunction is detected in EPS control unit.

Dtc confirmation procedure

1.Preconditioning

If dtc confirmation procedure has been previously conducted, always turn ignition switch off and wait at least 10 seconds before conducting the next test.

>> Go to 2.

2.DTC REPRODUCTION PROCEDURE

With consult


  1. Turn the ignition switch OFF to ON.

  2. Perform eps self-diagnosis.

Is dtc c1607 or c1608 detected? Yes >> proceed to diagnosis procedure. Refer to stc-28, "diagnosis procedure".

No >> inspection end.

Diagnosis Procedure

1.CHECK TERMINALS AND HARNESS CONNECTORS

Check eps control unit pin terminals for damage or loose connection with harness connector. If any items are damaged, repair or replace the malfunctioning parts.

Is the inspection result normal? Yes >> go to 2.

No >> repair or replace the malfunctioning parts.

2.Perform self-diagnosis

With consult


  1. Erase self-diagnostic results for EPS.

  2. Turn the ignition switch OFF, and then wait 10 seconds and more.

  3. Perform self-diagnosis for EPS.

Is DTC C1607 or C1608 detected? YES >> Replace EPS control unit. Refer to STC-39, "Removal and Installation".

NO >> Check intermittent incident. Refer to GI-39, "Intermittent Incident".

C1606 EPS Motor
DTC Logic DTC DETECTION LOGIC Dtc Display item Malfunction detected condition Possible cause C1606 EPS MOTOR When the motor driver malfunction of EPS control unit o ...

C1609 Vehicle speed signal
DTC Logic Dtc detection logic DTC Display item Malfunction detected condition Possible cause C1609 CAN VHCL SPEED Malfunction is detected in vehicle speed sig ...

Other materials:

Front combination lamp
Exploded view Large cover (not serviceable) Small cover (not serviceable) Front combination lamp Halogen lamp bulb (high beam) Turn signal lamp bulb Turn signal lamp bulb socket LED harness connector Halogen lamp bulb (high beam) harness connector Halogen lamp bulb (low b ...

Garage Jack and Safety Stand and 2-Pole Lift
WARNING: Park the vehicle on a level surface when using the jack. Make sure to avoid damaging pipes, tubes, etc. under the vehicle. Never get under the vehicle while it is supported only by the jack. Always use safety stands when you have to get under the vehicle. Place wheel chock ...

Tilt operation
Pull the lock lever down 1 and adjust the steering wheel up or down 2 to the desired position. Push the lock lever up 1 firmly to lock the steering wheel in place. WARNINGDo not adjust the steering wheel while driving. You could lose control of your vehicle and cause an accide ...

В© 2014-2022 Copyright www.nisentra.com