P0750

DTC 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 sensor and throttle position sensor [Accelerator Pedal Position (APP) sensor]. 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. 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

AT-SSV/A-01:

AT-SSV/A-01





TRANSMISSION CONTROL MODULE TERMINALS AND REFERENCE VALUE BETWEEN TERMINAL AND GROUND

Diagnostic Procedure
1. CHECK VALVE RESISTANCE
1. Turn ignition switch to OFF position.
2. Disconnect terminal cord assembly connector in engine compartment.





3. Check resistance between terminal 2 and ground.
OK or NG
OK >> GO TO 2.
NG >>
1. Remove control valve assembly.
2. Check the following items:
- Shift solenoid valve A
Refer to Component Inspection.
- Harness of terminal cord assembly for short or open

2. CHECK POWER SOURCE CIRCUIT
1. Turn ignition switch to OFF position.
2. Disconnect TCM harness connector.





3. Check continuity between terminal 2 and TCM harness connector terminal 11.
If OK, check harness for short to ground and short to power.
4. Reinstall any part removed.
OK or NG
OK >> GO TO 3.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.

3. CHECK DTC
Perform AT-179, DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE.
OK or NG
OK >> INSPECTION END
NG >>
1. Perform TCM input/output signal inspection. Pinout Values and Diagnostic Parameters
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.

Component Inspection
SHIFT SOLENOID VALVE A
- Refer to Component Inspection.

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.