Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Electronic controlled automatic transaxle / Torque converter clutch solenoid
circuit low/high
Toyota Corolla (E120): Torque converter clutch solenoid circuit low/high
Dtc p2769 torque converter clutch solenoid circuit low (shift solenoid valve sl)
Dtc p2770 torque converter clutch solenoid circuit high (shift solenoid valve sl)
Other materials:
Seat belt warning lamp for front passenger’s seat
does not flash
Wiring diagram
Inspection procedure
1 Inspect combination meter assy
Ground terminal c9–11 on the combination meter side.
check that the warning lightlights up.
Ok: warning light lights up.
2 Inspect passenger seat belt warning lamp assy
Ground terminal c9– ...
Malfunction in tachometer
Wiring diagram
Inspection procedure
Check output value of ecm.
Connect the hand–held tester to dlc3.
Turn the ignition switch to on and push the hand–held tester main switch
on.
Select the data list mode on the hand–held tester.
2 Inspect combinatio ...
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 ...