Toyota ZZT230 series Repair Manual page 350

)
DTC
CIRCUIT DESCRIPTION
When the engine speed reaches
high speed. The ECM control the OCV to apply hydraulic pressure to the piston In the locker arm and switch
the locker arm by locking the slipper for high speed.
OTC No.
Pt690
WIRING DIAGRAM
C2
Oi l Control Val v e (For VVT)
)
c
INSPECTION PROCEDURE
HINT:
Read freeze frame data using
the engine conditions when the malfunction is detected, when troubleshooting it is useful for determining
whether the vehicle was running or stopped, the engine warmed up or not, the air-fuel ratio Jean or rich, etc.
at the time of the malfunction.
)
P1 690
OCV for VVTL Circuit Malfunction
6,000b
DTC Detecting Condition
Open or short in oil control valve
1
2
02 Oil Pressure Swi t ch
1
TOYOTA
DIAGNOSTICS ENGINE
VVTL
rpm, the system switches the locker arm from low speed to
•Open or short in oil control valva circuit
for
Wfl circun •Oil control valve (lor
•ECM
L-W
L-8
Y-8
hand-held tester or OBD I I scan tool. Because freeze frame records
Trouble Area
WfL}
ECM
OVL+
OVL-
Dl-139
A09125