Supra L6-2997cc 3.0L DOHC MFI (1998)
Step 7
OBD II Scantool (excluding TOYOTA hand tester)
DTC P1656 OCV Circuit Malfunction
DTC P1656 OCV Circuit Malfunction
CIRCUIT DESCRIPTION
VVT system controls the intake valve timing to proper timing in response to driving condition. ECM controls OCV (Oil Control Valve) to make
the intake valve timing properly, and, oil pressure controlled with OCV is supplied to the VVT controller, and then, VVT controller changes
relative position between the camshaft and the crankshaft.
DETECTING CONDITIONS
WIRING DIAGRAM