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EC-1520
[YD (WITHOUT EURO-OBD)]
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT PFP:00006
Description BBS0027V
Intermittent incidents may occur. In many cases, the incident resolves itself (the part or circuit function returns
to normal without intervention). It is important to realize that the symptoms described in the customer's com-
plaint often do not recur on DTC visits. Realize also that the most frequent cause of intermittent incidents
occurrences is poor electrical connections. Because of this, the conditions under which the incident occurred
may not be clear. Therefore, circuit checks made as part of the standard diagnostic procedure may not indi-
cate the specific malfunctioning area.
COMMON INTERMITTENT INCIDENTS REPORT SITUATIONS
Diagnostic Procedure BBS0027W
1. INSPECTION START
Erase DTCs. Refer to EC-1476, "
HOW TO ERASE DTC" .
>> GO TO 2.
2. CHECK GROUND TERMINALS
Check ground terminals for corroding or loose connection.
Refer to EC-1528, "
Ground Inspection" .
OK or NG
OK >> GO TO 3.
NG >> Repair or replace.
3. SEARCH FOR ELECTRICAL INCIDENT
Perform GI-23, "
How to Perform Efficient Diagnosis for an Electrical Incident" , “INCIDENT SIMULATION
TESTS”.
OK or NG
OK >> INSPECTION END
NG >> Repair or replace.
STEP in Work Flow Situation
II The CONSULT-II is used. The SELF-DIAG RESULTS screen shows time data other than “0”.
III The symptom described by the customer does not recur.
IV DTC does not appear during the DTC Confirmation Procedure.
VI The Diagnostic Procedure for XXXX does not indicate the malfunctioning area.
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