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3. IDENTIFY THE SETTING CONDITION NOTE: The vehicle must be completely cooled for a minimum period of 8 hours for the following test pro- NOTE: It may take up to 10 to 12 minutes of continuous driving to accurately test the Transmission Tem- Did the Transmission Temperature stay the same or increase a very limited amount? Yes >> Go To 6 No >> Go To 4 4. CHECK THE TRANSMISSION TEMPERATURE SENSOR Did the TCM set a one trip DTC during the previous test drive? Yes >> Go To 5 No >> Go To 7 5. COMPARE TRANSMISSION TEMPERATURE TO OTHER TEMPERATURES With the scan tool compare the Transmission Temperature to other Temperature sensors such as Engine Coolant, Is the Transmission Temperature within 40° C (104° F) of the other temperatures? Yes >> Using the schematics as a guide, check the Transmission Control Module (TCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Perform CVT VERIFICATION TEST. (Refer to 21 - TRANSMISSION/TRANSAXLE/AUTOMATIC - CVT - No >> Replace the CVT or repair the Transmission Temperature Sensor (Valve Body) per the Service Infor- mation. Perform CVT VERIFICATION TEST. (Refer to 21 - TRANSMISSION/TRANSAXLE/AUTOMATIC - CVT - 6. CHECK THE (T54) TRANSMISSION TEMPERATURE SENSOR Temperature Sensor Resistive Values Chart Transmission Temperature Resistive Value Compared to Temperature (± 10%) 20° C (68° F) 2.5k ohms to 6.5k ohms 80° C (176° F) 0.3k ohms to 0.9k ohms PM AUTOMATIC - CVT-ELECTRICAL DIAGNOSTICS 21 - 143 |