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:
C1130 Engine signal
DTC Logic
DTC DETECTION LOGIC
DTC
Display Item
Malfunction detected condition
Possible causes
C1130
ENGINE SIGNAL 1
When a malfunction is detected in ECM system.
ECM
ABS actuator and electric unit
(control unit)
CAN communication line
...
Component parts
Component Parts Location
EPS control unit (view with steering
column removed from vehicle)
EPS motor (view with steering column
removed from vehicle)
Torque sensor (view with steering
column removed from vehicle)
ABS actuator and electric unit (control
unit)
EC ...
Evap canister
Exploded View
EVAP canister bracket
EVAP canister filter drain hose
EVAP canister filter
EVAP canister protector
EVAP hose
EVAP canister vent control valve
O-ring
EVAP canister
O-ring
EVAP canister control pressure sensor
Clip
Nut
Removal and Installation
EVAP ...
