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:
Engine cooling system
The engine cooling system is filled at the factory
with a pre-diluted mixture of 50% Genuine
NISSAN Long Life Antifreeze/Coolant (blue) and
50% water to provide year-round anti-freeze and
coolant protection. The antifreeze solution contains
rust and corrosion inhibitors. Additional engine
cool ...
Basic inspection
Diagnosis and repair work flow
Work flow
Detailed flow
1.Obtain information about symptom
Interview the customer to obtain as much information as possible about the
conditions and environment under
which the malfunction occurs.
>> GO TO 2.
2.Check symptom
Check the symptom based ...
Body alignment
Body Center Marks
A mark has been placed on each part of the body to indicate the vehicle
center. When repairing parts damaged
by an accident which might affect the vehicle frame (members, pillars, etc.),
more accurate and effective
repair will be possible by using these marks together with ...
