LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2011 >> M37 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 261 (Steering Control System (With 4WAS)) >> Ecu Diagnosis Information >> 4WAS Front Control Unit >> DTC Index
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Index

WARNING: This page is about a different car, the 2013 Infiniti M56 and 2013 Infiniti M37. However, it is still accessible from the selected car via links, so may be relevant.
DTC Display Items Reference
C1621 ACTUATOR "DTC LOGIC "
C1622 ACTUATOR "DTC LOGIC "
C1627 ACTUATOR "DTC LOGIC "
C1628 ACTUATOR "DTC LOGIC "
C1631 CONTROL UNIT "DTC LOGIC "
C1632 CONTROL UNIT "DTC LOGIC "
C1633 CONTROL UNIT "DTC LOGIC "
C1651 IGN POWER SUPPLY "DTC LOGIC "
C1652 MOTOR POWER SUPPLY "DTC LOGIC "
C1654 ACTUATOR RELAY "DTC LOGIC "
C1655 PRE-DRIVER "DTC LOGIC "
C1661 LOCK SOLENOID "DTC LOGIC "
C1667 LOCK INSERTION "DTC LOGIC "
C1668 LOCK HLD GAP DETCT "DTC LOGIC "
C1669 INCOMP LOCK RELEAS "DTC LOGIC "
C1671 ACT ADJ NOT PRFRM "DTC LOGIC "
C1672 INCOMP ACTUATR ADJ "DTC LOGIC "
C1684 4WAS MAIN ECU COMM "DTC LOGIC "
C1685 4WAS MAIN ECU COMM "DTC LOGIC "
C1686 4WAS MAIN ECU "DTC LOGIC "
U1000 CAN COMM CIRCUIT "DTC LOGIC "
U1002 SYSTEM COMM (CAN) "DTC LOGIC "
U1010 CONTROL UNIT (CAN) "DTC LOGIC "