Operation CHARM: Car repair manuals for everyone.

SHIFT SOLENOID/V A







DESCRIPTION
Shift solenoid valves A and B are turned "ON" or "OFF" by the A/T control unit in response to signals sent from the inhibitor switch, vehicle speed and throttle position sensors. Gears will then be shifted to the optimum position.




Diagnostic Trouble Code (DTC) Confirmation Procedure
After the repair, perform the following procedure to confirm the malfunction is eliminated.

With Consult
(1) Start engine.




(2) Select "SELF-DIAG RESULTS" mode with CONSULT.
(3) Drive vehicle in D1 -> D2 position.

OR

With GST

(1) Start engine.




(2) Drive vehicle in D1 -> D2 position.
(3) Select "MODE 7" with GST.

OR

No Tools
(1) Start engine.




(2) Drive vehicle in D1 -> D2 position.
(3) Perform self-diagnosis.
Refer to SELF-DIAGNOSTIC PROCEDURE (No Tools).




DIAGNOSTIC PROCEDURE

COMPONENT INSPECTION
Shift Solenoid Valve A







Resistance Check
- Check resistance between two terminals.




Operation Check
- Check solenoid valve by listening for its operating sound while applying battery voltage to the terminal and ground.