Nissan Rogue 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-25, "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 malfunctioning parts.
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair or replace 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 >> EPS control unit is malfunctioning. Replace steering column assembly. Refer to STC-36, "Removal and Installation".
NO >> Check intermittent incident. Refer to GI-41, "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 c ...
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 v ...
Other materials:
Precaution
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT
PRE-TENSIONER"
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”,
used along
with a front seat belt, helps to reduce the risk or severity of injury to the
...
B terminal circuit
Description
“B” terminal circuit supplies power to charge the battery and to operate the
vehicles electrical system.
Diagnosis Procedure
Regarding Wiring Diagram information. Refer to CHG-7, "Wiring Diagram".
1.CHECK “B” TERMINAL CONNECTION
Turn ignition switch OFF. ...
ECU diagnosis information
EPS CONTROL UNIT
Reference Value
VALUES ON THE DIAGNOSIS TOOL
CAUTION:
The output signal indicates the EPS control unit calculation data. The normal
values will be displayed
even in the event that the output circuit (harness) is open.
NOTE:
The following table includes information (items) ...
