Nissan Sentra Service Manual: C1109 Power and ground system
DTC Logic
DTC DETECTION LOGIC
| DTC | Display Item | Malfunction detected condition | Possible causes |
| C1109 | BATTERY VOLTAGE [ABNORMAL] |
|
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DTC CONFIRMATION PROCEDURE
1.CHECK SELF DIAGNOSTIC RESULT
With CONSULT.
-
Turn the ignition switch ON.
-
Perform self diagnostic result.
Is DTC C1109 detected? YES >> Proceed to diagnosis procedure. Refer to BRC-62, "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) connectors.
-
Check connectors 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) ignition power supply circuit
Check voltage between abs actuator and electric unit (control unit) connector e33 terminal 28 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
Turn ignition switch OFF.
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.
C1105, C1106, C1107, C1108 Wheel sensor
Description
When the sensor rotor rotates, the magnetic field changes. It
converts the magnetic field changes to current
signals (rectangular wave) and transmits them to the ABS actuator and elec ...
1110, C1170 ABS Actuator and electric unit (control unit)
DTC Logic
DTC DETECTION LOGIC
DTC
Display item
Malfunction detected condition
Possible cause
C1110
CONTROLLER FAILURE
When there is an internal malfunction in the ABS ...
Other materials:
Engine maintenance
Drive belt
Drive belt : inspection
Alternator
Drive belt auto-tensioner
Crankshaft pulley
A/c compressor
Water pump
Drive belt
Possible use range
New drive belt range
Ndicator
Warning:
Perform this step when engine is stopped.
Check that the indicator of drive bel ...
System
Moonroof
Moonroof : system diagram
Moonroof : system description
Moonroof system
Input/output signal chart
Moonroof operation
Moonroof motor assembly operates with the power supply that is output
from bcm while ignition switch is
on or retained power is operating.
Tilt up/ do ...
General Precautions
Always use a 12 volt battery as power source.
Do not attempt to disconnect battery cables while engine is
running.
Before connecting or disconnecting the ECM harness connector,
turn ignition switch OFF and disconnect negative battery
cable. Failure to do so may damage the ECM because
...
