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EC-70 [QG (WITH EURO-OBD)] ON BOARD DIAGNOSTIC (OBD) SYSTEM 2. Wait at least 10 seconds and then turn it “ON” (engine stopped) again. 3. Change the diagnostic test mode from Mode II to Mode I by depressing the accelerator pedal. Refer to EC-72, "HOW TO SWITCH DIAGNOSTIC TEST MODE" . ● If the battery is disconnected, the emission-related diagnostic information will be lost after ● The following data are cleared when the ECM memory is erased. – Diagnostic trouble codes – 1st trip diagnostic trouble codes – Freeze frame data – 1st trip freeze frame data – System readiness test (SRT) codes – Test values – Others Actual work procedures are explained using a DTC as an example. Be careful so that not only the DTC, but all NATS (Nissan Anti-theft System) EBS00QGS ● If the security indicator lights up with the ignition switch in ● Confirm no self-diagnostic results of NATS is displayed ● When replacing ECM, initialization of NATS system and reg- Malfunction Indicator (MI) EBS00QGT DESCRIPTION The MI is located on the instrument panel. 1. The MI will light up when the ignition switch is turned ON without . 2. When the engine is started, the MI should go off. ON BOARD DIAGNOSTIC SYSTEM FUNCTION The on board diagnostic system has the following four functions. SEF515Y SAT652J |