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3. CHECK FLUID PRESSURE SENSOR POWER SUPPLY • Stop vehicle and turn ignition switch off. • Check sensor power supply between sensor termi- nal C1 and ground in the sensor electrical connec- • 5 V should exist. Is the check result normal? Yes >> Go to the next step. No >> Repair or replace the open circuit or short 4. CHECK FLUID PRESSURE SENSOR GROUND CIRCUIT • Turn the ignition switch off. • Disconnect TCM connector. • Check for harness continuity between the following terminals: A/T ASSEMBLY TERMINAL TCM CONNECTOR TERMINAL CONTINUITY C3 25 Yes • Check the harness for short to power and short to ground. Is the check result normal? Yes >> Go to the next step. No >> Repair or replace the open circuit or short to power or short to ground in harness connectors. 5. CHECK FLUID PRESSURE SENSOR SIGNAL • Connect fluid pressure sensor connector. • Connect TCM connector. • Turn the ignition switch on. • Check sensor signal voltage between sensor terminal 55 and 25 in the sensor electrical connector E-037. • 1.4 V should exist. Is the check result normal? Yes >> Go to step 8. No >> Go to the next step. DIAGNOSIS & TESTING LTSMD080054
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