DTC DETECTING CONDITION: Immediately at fault recognition TROUBLE SYMPTOM: • Engine does not start. • Engine stalls. 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 malfunction of microcomputer (RAM). When there is a problem in the CPU normal RAM, judge as NG. If it is possible to write data to the whole area of RAM in the initial routine, and is possible to read the same data, it is judged as OK, and if not, NG. 2. EXECUTION CONDITION
Diagnosis with the initial routine. 3. GENERAL DRIVING CYCLE Perform the diagnosis as soon as the ignition switch is turned to ON. 4. DIAGNOSTIC METHOD Judge as NG when the following conditions are established.
Time Needed for Diagnosis: 32 ms - 16 time(s) Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs. |
Inspection
1. Check that the manifold absolute pressure sensor has no deformation, cracks or other damages.2. Connect dry-cell battery positive terminal to terminal No. 3 and dry-cell battery ground terminal to terminal No. 1, circuit tester positive terminal to terminal No. 2 and the circuit tester ground ter ...