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
-
Turn the ignition switch OFF to ON.
-
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
-
Erase self-diagnostic results for EPS.
-
Turn the ignition switch OFF, and then wait 10 seconds and more.
-
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:
System
System Diagram
FRONT POWER WINDOW LH ANTI-PINCH SYSTEM
System Description
MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH
INPUT/OUTPUT SIGNAL CHART
Item
Input signal to main power window and
door lock/unlock switch
Main power window and door
lock/unlock switch function
A ...
Engine oil and oil filter recommendations
Selecting the correct oil
It is essential to choose the correct grade, quality
and viscosity engine oil to ensure satisfactory
engine life and performance. See “Recommended
fluids/lubricants and capacities” in this
section. NISSAN recommends the use of an
energy conserving oil in order ...
Cleaning
If your windshield is not clear after using the
windshield washer or if a wiper blade chatters
when running, wax or other material may be on
the blade or windshield.
Clean the outside of the windshield with a washer
fluid or a mild detergent. Your windshield is clean
if beads do not form whe ...
