P0750

Shift Solenoid Valve A
DESCRIPTION








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





TCM TERMINALS AND REFERENCE VALUE





ON BOARD DIAGNOSIS LOGIC

DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE

CAUTION: Always drive vehicle at a safe speed.

NOTE: If "DIAGNOSTIC TROUBLE CODE CONFIRMATION PROCEDURE" has been previously conducted, always turn ignition switch "OFF" and wait at least 5 seconds before conducting the next test.

After the repair, perform the following procedure to confirm the malfunction is eliminated.








1. Turn ignition switch "ON" and select "DATA MONITOR" mode for "ENGINE" with CONSULT.
2. Start engine.
3. Drive vehicle in "D" position and allow the transmission to shift 1" -> "2" ("GEAR").
OR
1. Start engine.
2. Drive vehicle in D1 -> D2 position.
3. Select "MODE 7" with GST.
OR
1. Start engine.
2. Drive vehicle in D1 -> D2 position.
3. Perform self-diagnosis for ECM. Refer to Computers and Control Systems.





DIAGNOSTIC PROCEDURE

COMPONENT INSPECTION
Shift solenoid valve A
- For removal, Valve Body

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.