Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Electronic controlled automatic transaxle / Torque converter clutch solenoid
performance (shift solenoid valve
sl)
Toyota Corolla (E120): Torque converter clutch solenoid performance (shift solenoid valve sl)
Dtc p0741 torque converter clutch solenoid performance (shift solenoid valve sl)
Other materials:
On–vehicle inspection
1. Inspect for electrical door lock operation
Hint:
w/ power window:
the door control switch is built in the master switch in the driver’s door
and also in the passenger’s
door.
W/o power window:
the door control switch is in the driver’s door and also in the passenger’s
d ...
Inspection procedure
1 Check security indicator light
Remove the security indicator.
check the indicator light, as shown in the illustration and
table.
Standard:
2 Check wire harness (tvip ecu security indicator)
Disconnect the tvip ecu and security indicator connectors.
  ...
Circuit description
The actuator motor is operated by signals from the cruise control ecu assy.
Acceleration and deceleration
signals are transmitted by changes in the duty ratio (see below).
Duty ratio:
the duty ratio is the ratio of the period of continuity in one cycle. For
example, if a is the period of co ...


