Nissan Sentra Service Manual: C1121, C1123, C1125, C1127 ABS OUT Valve system
DTC Logic
DTC DETECTION LOGIC
| DTC DETECTION LOGIC | Display Item | Malfunction detected condition | Possible causes |
| C1121 | FR LH OUT ABS SOL | When a malfunction is detected in front LH ABS OUT valve. |
|
| C1123 | FR RH OUT ABS SOL | When a malfunction is detected in front RH ABS OUT valve. | |
| C1125 | RR LH OUT ABS SOL | When a malfunction is detected in rear LH ABS OUT valve. | |
| C1127 | RR RH OUT ABS SOL | When a malfunction is detected in rear RH ABS OUT valve. |
DTC CONFIRMATION PROCEDURE
1.CHECK SELF DIAGNOSTIC RESULT
With CONSULT
-
Turn ignition switch ON.
-
Perform self diagnostic result.
Is DTC C1121, C1123, C1125 or C1127 detected? YES >> Proceed to diagnosis procedure. Refer to BRC-74, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis Procedure
Regarding Wiring Diagram information, refer to BRC-44, "Wiring Diagram".
1.CONNECTOR INSPECTION
-
Turn ignition switch OFF.
-
Disconnect ABS actuator and electric unit (control unit) connector.
-
Check connector and terminals for deformation, disconnection, looseness or damage.
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair or replace as necessary.
2.Check ABS Actuator and electric unit (control unit) battery power supply
Check voltage between ABS actuator and electric unit (control unit) connector E33 terminal 25 and ground.
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace malfunctioning components.
3.Check abs actuator and electric unit (control unit) ground circuit
Check continuity between ABS actuator and electric unit (control unit) connector E33 terminals 13, 38 and ground.
Is the inspection result normal? YES >> Replace ABS actuator and electric unit (control unit). Refer to BRC-110, "Removal and Installation".
NO >> Repair or replace malfunctioning components.
C1120, C1122, C1124, C1126 ABS In valve system
DTC Logic
Dtc detection logic
DTC
Display Item
Malfunction detected condition
Possible causes
C1120
FR LH IN ABS SOL
When a malfunction is detected in front LH ABS IN
...
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.
...
Other materials:
P0335 CKP Sensor (POS)
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P0340 is displayed with DTC P0643, first perform the trouble
diagnosis for DTC P0643. Refer to EC-
353, "DTC Logic".
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
...
The seat belt reminder warning
continues sounding, or does not
sound
Description
Seat belt reminder warning does not sound.
Seat belt reminder warning sounds continuously.
Diagnosis procedure
1.Check seat belt warning lamp
Turn ignition switch on.
Check the operation of the seat belt warning lamp in the combination
meter.
Is the inspection ...
Basic inspection
Diagnosis and repair workflow
Work Flow
OVERALL SEQUENCE
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 occurred.
>> GO TO 2.
2. CONFIRM THE SYMPTO ...
