DTC DETECTING CONDITION: Detected when two consecutive driving cycles with fault occur. TROUBLE SYMPTOM: • Engine stalls. • Improper idling CAUTION: After servicing or replacing faulty parts, perform Clear Memory Mode Clear Memory Mode > OPERATION, and Inspection Mode Inspection Mode > PROCEDURE.
1. OUTLINE OF DIAGNOSIS Detect the exhaust AVCS system malfunction. Judge as NG when standard timing advance amount is far from learning angle. 2. COMPONENT DESCRIPTION
3. EXECUTION CONDITION
4. GENERAL DRIVING CYCLE Perform the diagnosis continuously while the exhaust AVCS is not operating after warming up. 5. DIAGNOSTIC METHOD Judge as NG when the absolute value of the difference between cam signal input position and learning value is out of specification. Diagnosis 1 If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.
Time Needed for Diagnosis: 5000 ms Diagnosis 2
Time Needed for Diagnosis: 5000 ms Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cycles. NOTE: Initial standard learning value is the value of crank angle initially input at the production plant. And then it will be updated every time normal judgment has been completed. Learning value will not be updated if NG judgment occurs because timing belt or chain derails suddenly in process or because wrong assembly occurs during servicing. |
Basic diagnostic procedure procedure
CAUTION:• When performing diagnosis, observe the legal speed limit on the road.• The cancel code will also appear when the cruise control is cancelled by the driver’s operation. Do not confuse them.• Be sure to get an assistant to support the diagnosis while driving, and have ...