STC-30
< DTC/CIRCUIT DIAGNOSIS >
C1610 ENGINE STATUS SIGNAL
C1610 ENGINE STATUS SIGNAL
Description INFOID:0000000007207888
EPS control unit receives the engine status signal from ECM via CAN communication line.
DTC Logic INFOID:0000000007207889
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn ignition switch OFF and
wait at least 10 seconds before conducting the next test.
>> GO TO 2.
2.DTC REPRODUCTION PROCEDURE
With CONSULT
1. Turn the ignition switch OFF to ON.
2. Perform “EPS” self-diagnosis.
Is DTC
“C1610” detected?
YES >> Proceed to diagnosis procedure. Refer to STC-30, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure INFOID:0000000007207890
1.PERFORM ECM SELF-DIAGNOSIS
With CONSULT
1. Turn the ignition switch OFF to ON.
2. Perform “ENGINE” self-diagnosis. Refer to EC-59, "CONSULT Function"
.
Is any DTC detected?
YES >> Check the DTC. Refer to EC-82, "DTC Index".
NO >> GO TO 2.
2.PERFORM SELF-DIAGNOSIS
With CONSULT
Perform “EPS” self-diagnosis.
Is DTC
“C1610” detected?
YES >> Replace EPS control unit. Refer to STC-40, "Removal and Installation".
NO >> Check EPS control unit pin terminals for damage or loose connection with harness connector. If
any item are damaged, repair or replace error-detected parts.
DTC Display item Malfunction detected condition Possible cause
C1610 CAN ENG RPM
• Malfunction is detected in engine status signal
that is output from ECM via CAN communica-
tion.
• ECM input signal error is detected.
• Harness or connector
• CAN communication line
• EPS control unit
•ECM
- Engine status signal error
Revision: March 2013 2012 Versa Sedan
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