DTC Logic
DTC DETECTION LOGIC
DTC | Display Item | Malfunction detected condition | Possible causes |
C1115 | ABS SENSOR [ABNORMAL SIGNAL] | When difference in wheel speed between any wheel and others is detected while the vehicle is driven because of installation of tires other than specified. |
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DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAGNOSTIC RESULT
With CONSULT.
Is DTC C1115 detected? YES >> Proceed to diagnosis procedure. Refer to BRC-85, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis Procedure
Regarding Wiring Diagram information, refer to BRC-57, "Wiring Diagram".
CAUTION: Do not check between wheel sensor terminals.
1.CONNECTOR INSPECTION
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair or replace as necessary.
2.CHECK WHEEL SENSOR OUTPUT SIGNAL
NOTE: The green POWER indicator should illuminate. If the POWER indicator does not illuminate, replace the battery in the ABS active wheel sensor tester before proceeding.
NOTE: If the red SENSOR indicator illuminates but does not flash, reverse the polarity of the tester leads and retest.
Does the ABS active wheel sensor tester detect a signal? YES >> GO TO 3.
NO >> Replace the wheel sensor. Refer to BRC-132, "FRONT WHEEL SENSOR : Removal and Installation" or BRC-134, "REAR WHEEL SENSOR : Removal and Installation".
3.CHECK TIRES
Check the inflation pressure, wear and size of each tire.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Adjust tire pressure, or replace tire(s).
4.CHECK WIRING HARNESS FOR SHORT CIRCUIT
Check continuity between wheel sensor connector terminals and ground of wheel with DTC.
Is the inspection result normal? YES >> GO TO 5.
NO >> Repair the circuit.
5.CHECK WIRING HARNESS FOR OPEN CIRCUIT
Check continuity between ABS actuator and electric unit (control unit) connector E125 and wheel sensor connector of wheel with DTC.
Is the inspection result normal? YES >> Replace the ABS actuator and electric unit (control unit). Refer to BRC-136, "Removal and Installation".
NO >> Repair the circuit.
Preparation
Special Service Tool
The actual shape of the tools may differ from those illustrated here.
Tool number
(TechMate No.)
Tool name
Description
—
(J-49286)
Drift and Pull gauge
Measuring drift and pull
Commercial Service Tool
Tool name
...
Basic inspection
COMPONENT INSPECTION
Inspection
AFTER A COLLISION
WARNING:
Inspect all seat belt assemblies including retractors and attaching hardware
after any collision.
NISSAN/INFINITI recommends that all seat belt assemblies in use during a
collision be replaced
unless the collision was minor and t ...
ECU diagnosis information
AV CONTROL UNIT
Reference Value
VALUES ON THE DIAGNOSIS TOOL
TERMINAL LAYOUT
PHYSICAL VALUES
DTC Index
AROUND VIEW MONITOR CONTROL UNIT
WITHOUT DRIVER ASSISTANCE SYSTEM
WITHOUT DRIVER ASSISTANCE SYSTEM : Reference Value
VALUES ON THE DIAGNOSIS TOOL
TERMINAL LA ...