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DIAGNOSTIC PROCEDURE CHECK TCM POWER SOURCE. (Do not start engine.) 2. Check voltage between TCM terminals q 42 , q 47 and ground. Battery voltage should exist. OK E NG Check the following items: I Harness for short or I Ignition switch and fuse CHECK A/T FLUID TEMPERATURE connector in engine compartment. 3. Check resistance between terminals q 6 and q 7 when A/T is cold. Resistance: Cold [20°C (68°F)] Approximately 2.5 k Ω 4. Reinstall any part removed. OK E NG 1. Remove oil pan. items: I A/T fluid temperature I Harness of terminal cord q A (Go to next page.) YAT316 YAT317 H H TROUBLE DIAGNOSIS FOR BATT/FLUID TEMP SEN A/T Fluid Temperature Sensor and TCM Power AT-77 |