Driver Assistance System

C1A27 ECD POWER SUPPLY CIRCUIT

DTC Logic


DTC DETECTION LOGIC






NOTE:
If DTC "C1A27" is detected along with DTC "U1000", "U0415" or "U0121" first diagnose the DTC "U1000", "U0415" or "U0121".
- DTC "U1000": Refer to "ADAS CONTROL UNIT : DTC Logic" DCA.
- DTC "U0415": Refer to "DTC Logic" DCA.
- DTC "U0121": Refer to "DTC Logic" DCA.

DTC CONFIRMATION PROCEDURE


1. PERFORM DTC CONFIRMATION PROCEDURE

1.Start the engine.
2.Wait for approximately 1 minute after turning the DCA system ON.
3.Perform "All DTC Reading" with CONSULT.
4.Check if the "C1A27" is detected as the current malfunction in "Self Diagnostic Result" of "ICC/ADAS".
Is "C1A27" detected as the current malfunction?
YES- Refer to "Diagnosis Procedure" .
NO- Refer to "Intermittent Incident" Intermittent Incident.


Diagnosis Procedure


1. CHECK SELF-DIAGNOSIS RESULTS

Check if "U1000", "U0415" or "U0121" is detected other than "C1A27" in "Self Diagnostic Result" of "ICC/
ADAS".
Is any DTC detected?
YES- Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to
"DTC Index" A L L Diagnostic Trouble Codes ( DTC ).
NO- GO TO 2.

2. CHECK POWER SUPPLY CIRCUIT OF ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

Check power supply circuit of ABS actuator and electric unit (control unit). Refer to "Diagnosis Procedure" C1109.
Is the inspection result normal?
YES- Perform self-diagnosis of ABS actuator and electric unit (control unit). Refer to "DTC Index" A L L Diagnostic Trouble Codes ( DTC ).
NO- Repair the harnesses or connectors.
Revision: March 20122013 Infiniti JX