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:
Removal and installation
Av control unit
Exploded view
Av control unit
Av control unit bracket (lh)
Av control unit bracket (rh)
Removal and installation
Removal
Caution:
Remove battery terminal and av control unit after a lapse of 30
seconds or more after turning the
ignition switch off.
Befor ...
Positive crankcase ventilation
Inspection
1.CHECK PCV VALVE
With engine running at idle, remove PCV valve from rocker cover. A
properly working valve makes a hissing noise as air passes through
it. A strong vacuum should be felt immediately when a finger is
placed over valve inlet.
Is the inspection result normal?
YES &g ...
Rear window and outside mirror (if so equipped)
defroster switch
To defrost the rear window glass and outside
mirror (if so equipped), start the engine and push
the rear window defroster switch on. The rear
window defroster indicator light on the switch
comes on. Push the switch again to turn the
defroster off.
The rear window defroster automatically ...
