The OD switch is for turning the OD gears on or off and also acts as an indicator light for control faults in the system.
Snce the OD light was blinking, it indicates an error has been detected and trouble codes would be stored in the control unit.
Retrieve the trouble codes and see what you come up with.
CAUTION:Ensure battery is fully charged prior to testing. Low battery voltage will cause faulty diagnostic system operation.
Reading Diagnostic Codes (W/O Super Monitor Display)
1. Turn ignition on with engine off. Ensure overdrive switch is in the ON position. Diagnostic codes can only be read if overdrive switch is in the ON position.
2. Using a jumper wire, connect terminals as shown.
3. Diagnostic codes are read by counting the number of times the "OD OFF" light flashes on the instrument panel.
4. If transmission electrical system is operating normally the light will blink 2 times per second.
5. If there is a malfunction in the system, the light will blink. The number of blinks will equal the first number of the diagnostic code. After a 1.5 second pause, the second number of the diagnostic code will flash. If there are 2 or more codes, there is a 2.5 second pause between codes.
6. Remove jumper wire. If codes are stored, note code number and repair appropriate circuit.
If several diagnostic cores are stored, the lowest number code will flash first. Other codes will flash from lowest to highest number.
7. If diagnostic codes 62, 63, 64, 65, 73 or 74 occur an electrical failure in the solenoid is indicated. Mechanical failures such as sticking switches will not appear as diagnostic codes.
Sunday, October 3rd, 2010 AT 3:42 AM