Nissan Rogue (T33) 2021-Present Service Manual: P1c93-82 Communication Error
DTC Description
DTC DETECTION LOGIC
| DTC No. | CONSULT screen terms (Trouble diagnosis content) | DTC detection condition | |
|---|---|---|---|
| P1C93-82 |
Communication error (Communication error) |
Diagnosis condition | Engine running at idle |
| Signal (terminal) | CAN communication signal | ||
| Threshold | Sub starter & generator cannot communicate CAN communication signal | ||
| Diagnosis delay time | 2 second or less | ||
POSSIBLE CAUSE
-
CAN communication system
-
Sub starter & generator
-
IPDM E/R
-
Harness or connector (CAN communication line between sub starter & generator and ECM)
FAIL-SAFE
Inhibit the idle start/stop system
DTC CONFIRMATION PROCEDURE
PERFORM DTC CONFIRMATION PROCEDURE
CONSULT
-
Start the engine and let it idle and wait for 2 seconds or more.
-
Select “Self diagnosis result” mode of “Sub starter & generator”.
Is DTC detected?
YES>>Refer to Diagnosis Procedure.
NO-1>>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO-2>>Confirmation after repair: Inspection End.
Diagnosis Procedure
CHECK CAN COMMUNICATION SYSTEM
Check CAN communication system. Refer to Trouble Diagnosis Flow Chart.
Is the inspection result normal?
YES>>GO TO 2.
NO>>Repair or replace the malfunctioning parts.
REPLACE IPDM E/R
-
Replace IPDM E/R. Refer to Removal and Installation.
-
Perform “DTC Confirmation Procedure”. Refer to DTC Description.
Is DTC“P1C93-82” displayed again?
YES>>Replace sub starter & generator. Refer to Removal and Installation.
NO>>Inspection End.
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