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ECM Terminals and Reference Value Specification data are reference values and are measured between each terminal and ground. CAUTION: Do not use ECM ground terminals when measuring input/output voltage. Doing so may damage the TER- MINAL NO. WIRE COLOR ITEM CONDITION DATA (DC Voltage) 4 G ECM relay (Self-shutoff) Ignition switch “ON” Ignition switch “OFF” For a few seconds after turning ignition switch Approximately 0.25V Ignition switch “OFF” More than a few seconds after turning ignition BATTERY VOLTAGE 38 B/W Ignition switch Ignition switch “OFF” 0V Ignition switch “ON” BATTERY VOLTAGE 56 116 B/W Power supply for ECM Ignition switch “ON” BATTERY VOLTAGE On Board Diagnosis Logic Malfunction is detected when .... Check Items (Possible Cause) I An irregular voltage signal from the ECM relay is sent to ECM. I Harness or connectors I ECM relay DTC Confirmation Procedure WITH CONSULT-II 1) Turn ignition switch “ON”. turn “ON”. 4) If DTC is detected, go to “Diagnostic Procedure”, EC-216. WITHOUT CONSULT-II 1) Turn ignition switch “ON”. turn “ON”. 3) Perform “Diagnostic Test Mode II (Self-diagnostic results)” with ECM. 4) If DTC is detected, go to “Diagnostic Procedure”, EC-216. SEF817Y DTC 0902 ECM RLY ZD30DDTi EC-214 |