P0750

Description





1 of 2





2 of 2

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.





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.

With CONSULT-II





1 of 2





2 of 2

1) Turn ignition switch "ON" and select "DATA MONITOR" mode for "ENGINE" with CONSULT-II.
2) Start engine.
3) Drive vehicle in D position and allow the transmission to shift "1" -> "2" ("GEAR").

With GST
Follow the procedure "With CONSULT-II".





Wiring Diagram-AT-SSV/A





TRANSMISSION CONTROL MODULE TERMINALS AND REFERENCE VALUE BETWEEN TERMINAL AND GROUND

Diagnostic Procedure

Diagnostic Procedure Step 1:

1 CHECK VALVE RESISTANCE

Diagnostic Procedure Step 2:

2 CHECK POWER SOURCE CIRCUIT

Diagnostic Procedure Step 3:

3 CHECK DTC

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.