Diagnosis and repair workflowP1777 step motor
Description
The step motor changes the step by turning 4 coils ON/OFF
according to the signal from TCM. As a result, the
flow of line pressure to primary pulley is changed and pulley ratio is
controlled.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION:
Always drive ve ...
Harness connector
Description
HARNESS CONNECTOR (TAB-LOCKING TYPE)
The tab-locking type connectors help prevent accidental looseness
or disconnection.
The tab-locking type connectors are disconnected by pushing or
lifting the locking tab(s). Refer to the figure
below.
Refer to the next page for desc ...
Power steering solenoid valve
Description
Power steering solenoid valve controls the power steering oil pressure in the
gear housing assembly.
Diagnosis Procedure
1.CHECK POWER STEERING SOLENOID VALVE SIGNAL
Start engine.
Check voltage between power steering control unit connectorM59
terminal 1 and ground
...