X-90 (2WD) L4-1590cc 1.6L SOHC MFI 16V (1996)
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Coolant Temperature Sensor/Switch: Description and Operation
ECM transmits the engine coolant temperature signal to TCM by grounding E32-13 terminal which receives battery voltage from TCM. TCM uses
this signal as one of the factors to control shift to the 4th (O/D) gear and TCC.
