General maintenance
General maintenance (2006/01- )Fuel pump control circuit
Description
When the engine is cranked, the starter relay drive signal output from the
star terminal of the ecm is
input into the sta terminal of the ecm, and ne signal generated by the
crankshaft position sensor is also
input into the ne+ terminal. Thus, the ecm interprets that the engine is ...
Random / multiple cylinder misfire detected
Description
When the engine misfires, high concentrations of hydrocarbons (hc) enter the
exhaust gas. Extremely
high hc concentration levels can cause increases in exhaust emission levels.
High concentrations of hc
can also cause increases in the three-way catalytic converter (twc) te ...
Camshaft position "A"
Dtc P0011 Camshaft position
"a" - timing over-advanced or system performance (bank 1)
Dtc P0012 Camshaft
position "a" - timing over-retarded (bank 1)
Description
The vvt system includes the ecm, oil control valve (ocv) and vvt controller.
The ecm sends a target
du ...