Normal Operation

TORQUE CONVERTER CLUTCH (TCC) APPLICATION CONDITIONS:
Engine coolant temperature must be above 70 ° C (158 ° F).
Moreover, TCC is on in 2nd gear during kick down operation when engine coolant temperature is above 70 ° C (158 ° F).
Also, TCC is always on in 2nd, 3rd & 4th gear when transmission oil temperature is above 135 ° C (275 ° F).
This mode should be canceled at 125 ° C (257 ° F).

ATF WARNING LAMP
The ATF warning lamp will be constantly on (not flashing) if the transmission oil temperature is above 140 ° C (284 ° F).
The ATF warning lamp goes off again when the transmission oil temperature is below 130 ° C (266 ° F).

SPECIAL SHIFT PATTERN WHEN THE ENGINE IS COLD:
A special shift pattern is activated when the engine coolant temperature is below 70 ° C (158 ° F). (3-4 shifts, for example, are delayed for small throttle openings and will occur a few MPH higher.)