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C1610 ENGINE STATUS SIGNAL STC-27 < DTC/CIRCUIT DIAGNOSIS > C D E F H I J K L M A B STC N O P C1610 ENGINE STATUS SIGNAL Description INFOID:0000000009578770 EPS control unit receives the engine status signal from ECM via CAN communication line. DTC Logic INFOID:0000000009578771 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. YES >> Proceed to diagnosis procedure. Refer to NO >> Inspection End. Diagnosis Procedure INFOID:0000000009578772 1. PERFORM ECM SELF-DIAGNOSIS With CONSULT 1. Turn the ignition switch OFF to ON. 2. Perform “ENGINE” self-diagnosis. Refer to Is any DTC detected? YES >> Check the DTC. Refer to . NO >> GO TO 2. 2. PERFORM SELF-DIAGNOSIS With CONSULT Perform “EPS” self-diagnosis. YES >> Replace EPS control unit. Refer to STC-37, "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 malfunctioning components. 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- • ECM input signal error is detected. • Harness or connector |