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.
- If conducting this "DTC CONFIRMATION PROCEDURE" again, always turn ignition switch "OFF" and wait at least 5 seconds before continuing.

NOTE: 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 and drive the vehicle under the following conditions.
VHCL SPEED SE: 10 km/h (6 MPH) or more
Selector lever: D position (OD "ON" or "OFF")

OR

With Generic Scan Tool
1) Start engine.
2) Drive vehicle under the following conditions: Selector lever in "D", 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", 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




WIRING DIAGRAM

COMPONENT INSPECTION
Overrun Clutch Solenoid Valve
- Remove valve.







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.