|
|
Content .. 1269 1270 1271 1272 ..
TM-274 < DTC/CIRCUIT DIAGNOSIS > [CVT: RE0F10B] P0840 TRANSMISSION FLUID PRESSURE SEN/SW A P0840 TRANSMISSION FLUID PRESSURE SEN/SW A DTC Logic INFOID:0000000012200965 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1. PREPARATION BEFORE WORK If another “DTC CONFIRMATION PROCEDURE” occurs just before, turn ignition switch OFF and wait for at least 10 seconds, then perform the next test. >> GO TO 2. 2. CHECK DTC DETECTION With CONSULT 1. Start the engine. 2. Select “Data Monitor” in “TRANSMISSION”. 3. Select “ATF TEMP SEN”. 4. Maintain the following condition for 5 seconds or more. 5. Select “Self Diagnostic Results” in “TRANSMISSION”. With GST Follow the procedure “With CONSULT”. YES >> Go to NO >> INSPECTION END Diagnosis Procedure INFOID:0000000012200966 1. CHECK TCM INPUT SIGNAL 1. Start the engine. 2. Check voltage between TCM connector terminals. Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-45, "Intermittent Incident" . NO >> GO TO 2. 2. CHECK SENSOR POWER AND SENSOR GROUND Check voltage between TCM connector terminals. DTC Trouble diagnosis name DTC detection condition Possible causes P0840 Transmission Fluid Pressure • Secondary pressure sensor voltage that TCM receives is more than 4.7 V • Secondary pressure sensor voltage that TCM receives is less than 0.9 V • Harness or connectors (Secondary pressure sensor circuit is • Secondary pressure sensor ATF TEMP SEN : 2.41 V or less TCM Condition Voltage (Approx.) Connector + − Terminal F81 15 25 • Selector lever : “N” position 1.0 V |