2. ENABLE CONDITION
When starting the engine.
3. GENERAL DRIVING CYCLE
Perform the diagnosis only after starting the engine.
4. DIAGNOSTIC METHOD
Judge as NG when the conditions for the outline of the diagnosis of the top are established.
P1578
DTC P1578 METER FAILURE
1. OUTLINE OF DIAGNOSIS
2. ENABLE CONDITION
When starting the engine.
3. GENERAL DRIVING CYCLE
Perform the diagnosis only after starting the engine.
4. DIAGNOSTIC METHOD
Judge as NG when the conditions for the outline of the diagnosis of the top are established.
P1602
DTC P1602 CONTROL MODULE PROGRAMMING ERROR
1. OUTLINE OF DIAGNOSIS
Detect malfunctions of the catalyst advanced idling retard angle control.
Judge as NG when ECM is not controlling the angle properly during catalyst advanced idling retard angle control.
Judge as NG if there is exhaust gas temperature diagnosis, idle speed diagnosis and final ignition timing diagnosis, and if any one of them is
NG.
- Exhaust gas temperature diagnosis Judge as NG when the estimated exhausted gas temperature in 14 seconds after the cold start is below
the specified value.
- Idle speed diagnosis Judge as NG when actual engine speed is not close to target engine speed after terminating the retard angle control.
- Final ignition timing diagnosis
Judge as NG when actual retard amount is under the specified value at cold start.
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