Toyota AVENSIS 2000 Supplement Manual page 228

DTC P0773
CIRCUIT DESCRIPTION
The DSL solenoid valve is turned ON and OFF by signals from the Engine and ECT ECU to control the hy-
draulic pressure acting on the lock–up relay valve, which then controls operation of the lock–up clutch.
DTC No.
Either (a) or (b) are detected for 1 time.
(2–trip detection logic)
(a) Solenoid resistance is 8 Ω or less short circuit when sole-
P0773
noid is energized.
(b) Solenoid resistance is 100 kΩ or more open circuit when
solenoid is not energized.
Fail safe function:
If the Engine and ECT ECU detects a malfunction, it turns the DSL solenoid valve OFF.
WIRING DIAGRAM
Automatic Transaxle
DSL Solenoid Valve
AVENSIS/CORONA SUP (RM781E)
DIAGNOSTICS
Shift Solenoid E Electrical Malfunction
(DSL Solenoid Valve)
DTC Detecting Condition
3
DSL
E1
G
– AUTOMATIC TRANSAXLE (U240E)
S Open or short in DSL solenoid valve circuit
S DSL solenoid valve
S Engine and ECT ECU
P
Trouble Area
Engine and ECT ECU
25
DSL
E14
DI–97
DI6RV–03
D07933