Nissan Sentra Service Manual: C1155 BR Fluid level low
DTC Logic
Dtc detection logic
| Dtc | Display item | Malfunction detected condition | Possible cause |
| C1155 | C1155 br fluid level low | Brake fluid level is low or communication line between the abs actuator and electric unit (control unit) and brake fluid level switch is open or shorted. |
|
Dtc confirmation procedure
1.Check self-diagnosis results
Check the self-diagnosis results.
Self-diagnosis results
Br fluid level low
Is above displayed on the self-diagnosis display? Yes >> proceed to diagnosis procedure. Refer to brc-83, "diagnosis procedure".
No >> inspection end.
Diagnosis Procedure
Regarding wiring diagram information, refer to brc-44, "wiring diagram".
Note:
Check brake fluid level in brake reservoir tank before starting inspection.
1.Connector inspection
-
Turn ignition switch off.
-
Disconnect combination meter and brake fluid level switch 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 brake fluid level switch
Perform the brake fluid level switch component inspection. Refer to brc-84, "component inspection".
Is the inspection result normal? Yes >> go to 3.
No >> replace brake fluid level switch. Refer to br-32, "exploded view".
3.Check brake fluid level switch harness
-
Check continuity between combination meter connector m24 terminal 11 and brake fluid level switch connector e40 terminal 1.
-
Check continuity between combination meter connector and ground.
Is the inspection result normal? Yes >> go to 4.
No >> repair or replace malfunctioning components.
4.Check brake fluid level switch ground circuit
Check continuity between brake fluid level switch connector e40 terminal 2 and ground.
Is the inspection result normal? Yes >> replace combination meter. Refer to mwi-77, "removal and installation" no >> repair or replace malfunctioning components.
Component Inspection
1.Check brake fluid level switch
-
Turn ignition switch off.
-
Disconnect brake fluid level switch connector.
-
Check continuity between brake fluid level switch terminals 1 and 2.
Is the inspection result normal? Yes >> inspection end.
No >> replace brake fluid level switch. Refer to br-32, "exploded view".
1144 Incomplete steering angle sensor adjustment
DTC Logic
Dtc detection logic
Dtc
Display item
Malfunction detected condition
Possible causes
C1144
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When neutral position adjustment of steering angl ...
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DTC Logic
Dtc detection logic
DTC
Display Item
Malfunction detected condition
Possible causes
C1164
CV 1
When a malfunction is detected in cut valve 1.
Har ...
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Diagnosis procedure
1.Check connector
Turn the ignition switch off
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the steering angle sensor for
damage, bend and loose connection
(unit side and connector side).
Is the inspection result ...
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