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:
Main line between ipdm-e and dlc circuit
Diagnosis procedure
1.Check connector
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the following terminals and connectors for damage, bend and loose
connection (connector side
and harness side).
Harness connector E4
Harness connec ...
Wiring diagram
Intelligent key system/engine start function
Wiring diagram
Nissan vehicle immobilizer systemnats
Wiring Diagram
Vehicle security system
Wiring diagram
...
VDC/TCS/ABS
Symptom Table
If ABS warning lamp and SLIP indicator lamp turn ON, perform
self-diagnosis.
NOTE:
1: The ABS does not operate when the speed is 10 km/h
(6 MPH) or less.
2: Under the following conditions, ABS is activated
and vibration is felt when brake pedal is lightly depr ...
