Nissan Sentra Service Manual: 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 or EPS motor malfunction is detected. |
|
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 “C1606” detected? Yes >> proceed to diagnosis procedure. Refer to stc-27, "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 C1606 detected? YES >> Replace EPS control unit. Refer to STC-39, "Removal and Installation".
NO >> Check intermittent incident. Refer to GI-39, "Intermittent Incident".
C1604 Torque sensor
DTC Logic
DTC DETECTION LOGIC
DTC
Display item
Malfunction detected condition
Possible cause
C1604
TORQUE SENSOR
When torque sensor output signal is malfunctioning
...
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 ...
Other materials:
Periodic maintenance
Introduction of periodic maintenance
The following tables show the normal maintenance schedule. Depending upon
weather and atmospheric conditions,
varying road surfaces, individual driving habits and vehicle usage, additional
or more frequent maintenance
may be required.
Periodic maintenan ...
Rear window defogger relay
Description
Power is supplied to the rear window defogger with BCM control.
Component Function Check
1. Check rear window defogger relay power supply circuit
Turn ignition switch ON.
Check that an operation noise of rear window defogger relay (located in
IPDM E/R) can be heard when
t ...
S connector circuit
Description
The starter motor magnetic switch is supplied with power when the ignition
switch is turned to the START position
while the selector lever is in the P (Park) or N (Neutral) position (CVT Models)
or the clutch pedal is
depressed (M/T Models).
Diagnosis Procedure
Regarding Wiring ...
