Nissan Sentra Service Manual: U1010 Control unit (CAN)
Description
Initial diagnosis of ABS actuator and electric unit (control unit)
DTC Logic
DTC DETECTION LOGIC
| DTC | Items (CONSULT screen terms) | DTC detection condition | Possible cause |
| U1010 | CONTROL UNIT (CAN) | When detecting error during the initial diagnosis of CAN controller of ABS actuator and electric unit (control unit). | ABS actuator and electric unit (control unit) |
DTC CONFIRMATION PROCEDURE
1.PERFORM SELF-DIAGNOSIS
With CONSULT.
-
Turn ignition switch ON.
-
Perform self diagnostic result.
Is DTC U1010 detected? YES >> Proceed to diagnosis procedure. Refer to BRC-89, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis Procedure
1.REPLACE ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
Replace ABS actuator and electric unit (control unit). Refer to BRC-110, "Removal and Installation".
>> Inspection End.
U1002 System comm (CAN)
DTC Logic
DTC DETECTION LOGIC
DTC
Display item
Malfunction detected condition
Possible cause
U1002
SYSTEM COMM(CAN)
When ABS actuator and electric unit (control unit) ...
Parking brake switch
Component Function Check
1.CHECK PARKING BRAKE SWITCH OPERATION
Check that brake warning lamp in combination meter turns ON/OFF
when parking brake is actuated.
Is the inspection result normal?
...
Other materials:
Brake pedal position switch
Component Function Check
1.CHECK BRAKE PEDAL POSITION SWITCH FUNCTION
With CONSULT
Turn ignition switch ON.
Select “ENGINE” using CONSULT.
Select “BRAKE SW1” in “DATA MONITOR” mode.
Check “BRAKE SW1” indication under the following conditions.
...
Brake master cylinder
Exploded View
Reservoir cap
Oil strainer
Reservoir tank
Cylinder body
Pin
O-ring
Grommet
Apply brake fluid
PBC (Poly Butyl Cuprysil)
grease or
silicone-based grease
Removal and Installation
REMOVAL
CAUTION:
Do not spill or splash brake fluid on painted surfaces. ...
Dtc/circuit diagnosis
U1000 can comm
Description
Refer to LAN-7, "CAN COMMUNICATION SYSTEM : System Description".
Dtc logic
Dtc detection logic
Note:
U1000 can be set if a module harness was disconnected and reconnected,
perhaps during a repair. Confirm
that there are actual can diagnostic symptoms and ...
