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DIAGNOSIS SYSTEM (ECM) EC-489 < SYSTEM DESCRIPTION > [QR25DE] C D E F G H I J K L M A EC N P O • ECM blinks MIL for about 10 seconds if all SRT codes are not set. MALFUNCTION WARNING MODE Description In this function ECM turns on or blinks MIL when it detects a malfunction in the emission control system com- Operation Procedure 1. Turn ignition switch ON. 2. Check that MIL illuminates. 3. Start engine and let it idle. the two consecutive driving cycles. • For 1st trip detection logic diagnoses, ECM turns on MIL when it detects a malfunction in one driving cycle. • ECM blinks MIL when it detects a malfunction that may damage the three way catalyst (misfire). SELF-DIAGNOSTIC RESULTS MODE Description This function allows to indicate DTCs or 1st trip DTCs stored in ECM according to the number of times MIL is How to Set Self-diagnostic Results Mode NOTE: function. • After ignition switch is turned off, ECM is always released from the “self-diagnostic results” mode. Confirm that accelerator pedal is fully released, turn ignition switch ON and wait 3 seconds. 2. Repeat the following procedure quickly five times within 5 seconds. 3. Wait 7 seconds, fully depress the accelerator pedal and keep it depressed for approx. 10 seconds until the 4. Fully release the accelerator pedal. JMBIA1515GB |