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
...
Precaution for work
When removing or disassembling each component, be careful not to damage
or deform it. If a component
may be subject to interference, be sure to protect it with a shop cloth.
When removing (disengaging) components with a screwdriver or similar
tool, be sure to wrap the component
with a ...
Anti-pinch system does not operate normally (driver side)
Diagnosis Procedure
1.CHECK POWER WINDOW AUTO OPERATION
Check AUTO operation when anti-pinch function does not operate.
Refer to PWC-67, "Diagnosis Procedure".
Is the inspection result normal?
YES >> INSPECTION END
NO >> GO TO 2.
2.REPLACE POWER WINDOW MAIN SWITCH
...
