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Diagnostic test mode I — Bulb check In this mode, the MI on the instrument panel should stay ON. If it remains OFF, check the bulb. Refer to EL Diagnostic test mode I — Malfunction warning MI Condition ON When the malfunction is detected or the ECM’s CPU is malfunctioning. OFF No malfunction. Diagnostic test mode II — Self-diagnostic results In this mode, DTC is indicated by the number of blinks of the MI as shown below. Long (0.6 second) blinking indicates the two LH digits of number and short (0.3 second) blinking indicates the How to erase diagnostic test mode II (Self-diagnostic results) The DTC can be erased from the backup memory in the ECM when the diagnostic test mode is changed from I If the battery terminal is disconnected, the DTC will be lost from the backup memory within 24 I Be careful not to erase the stored memory before starting trouble diagnoses. SEF298QA SEF162PB ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION ZD30DDTi Malfunction Indicator (MI) (Cont’d) EC-37 |