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TROUBLE DIAGNOSIS EC-1243 [VG33ER] C D E F G H I J K L M A EC Description For Work Flow STEP DESCRIPTION STEP I Get detailed information about the conditions and the environment when the incident/symptom occurred using the EC-1244, "DIAGNOSTIC WORKSHEET" . STEP II Before confirming the concern, check and write down (print out using CONSULT-II or GST) the (1st trip) DTC and the .) The (1st trip) DTC and the (1st trip) freeze frame data can be used when duplicating the incident at STEP III & IV. EC-1297, "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" Study the relationship between the cause, specified by (1st trip) DTC, and the symptom described by the customer. Also check related service bulletins for information. STEP III Try to confirm the symptom and under what conditions the incident occurs. EC-1297, "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" If the malfunction code is detected, skip STEP IV and perform STEP V. STEP IV Try to detect the (1st trip) DTC by driving in (or performing) the DTC Confirmation Procedure. Check and read the (1st EC-1297, "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" In case the DTC Confirmation Procedure is not available, perform the Overall Function Check instead. The (1st trip) STEP V Take the appropriate action based on the results of STEP I through IV. .) If CONSULT-II is available, perform “DATA MONITOR (SPEC)” mode with CONSULT-II and proceed to the . (If malfunction is detected, proceed to REPAIR/REPLACE.) Then perform inspections according to the Symptom Matrix Chart. (Refer to STEP VI Identify where to begin diagnosis based on the relationship study between symptom and possible causes. Inspect the , The Diagnostic Procedure in EC section contains a description based on open circuit inspection. A short circuit form Efficient Diagnosis for an Electrical Incident" Repair or replace the malfunction parts. EC-1297, "TROUBLE DIAGNOSIS FOR INTERMITTENT INCI- STEP VII Once you have repaired the circuit or replaced a component, you need to run the engine in the same conditions and and |