OVERRUN CLUTCH S/V

DESCRIPTION
The overrun clutch solenoid valve is activated by the TCM in response to signals sent from the inhibitor switch, overdrive control switch, vehicle speed and throttle position sensors. The overrun clutch operation will then be controlled.





TCM TERMINALS AND REFERENCE VALUE
Remarks: Specification data are reference values.





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.

TESTING CONDITION:
Always drive vehicle on a level road to improve accuracy of test.

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

With Consult
(1) Turn ignition switch "ON" and select "DATA MONITOR" mode for "ENGINE" with CONSULT
(2) Start engine.
(3) Accelerate vehicle to a speed of more than 10 km/h (6 MPH) in "D" position (OD "ON").
(4) Release accelerator pedal completely in "D" position (OD "OFF").

OR

With Generic Scan Tools
(1) Start engine.
(2) Drive vehicle under the following conditions: Selector lever in "D" position, overdrive control switch in "ON" or "OFF" position and vehicle speed higher than 10 km/h (6 MPH).
(3) Select "MODE 7" with GST.

OR

Without Scan tools
(1) Start engine.
(2) Drive vehicle under the following conditions:
Selector lever in "D" position, overdrive control switch in "ON" or "OFF" position and vehicle speed higher than 10 km/h (6 MPH).
(3) Perform self-diagnosis for ECM.





DIAGNOSTIC PROCEDURE

COMPONENT INSPECTION
Overrun Clutch Solenoid Valve








Resistance check
- Check resistance between terminal (8) and ground.





Operation check
- Check solenoid valve by listening for its operating sound while applying battery voltage to the terminal (8) and ground.