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P0870-OD HYDRAULIC PRESSURE TEST (CONTINUED) 6. CHECK LINE PRESSURE SENSOR CONNECTION Ignition on, engine not running. With the scan tool, monitor the Line Pressure while firmly pushing the Transmission Line Pressure Sensor connector Did the Line Pressure reading on the scan tool change to about 207 kPa or 30 PSI when the connector Yes >> Disconnect and properly reconnect the Line Pressure Sensor connector. Inspect terminals and repair as necessary. Perform 45RFE/545RFE TRANSMISSION VERIFICATION TEST - VER 1. No >> Go To 7 7. LINE PRESSURE SENSOR OPERATION Turn the ignition off to the lock position. Remove the Starter Relay. NOTE: Removal of the Starter Relay is to prevent a Transmission, NO RESPONSE, condition and disable the NOTE: Check connectors - Clean/repair as necessary. 9 OFF 9 position on the 9 Input/Output Speed 9 switch. Ignition on, engine not running. With the scan tool, monitor the Line Pressure while turning the Pressure Switch selector to each of the 3 line pres- NOTE: All three scan tool Line Pressure readings should be steady and ±14 kPa or 2.0 PSI of the reading Did the scan tool Line Pressure readings match the specified readings on the Transmission Simulator and Yes >> Replace the Line Pressure Sensor per the Service Information. Perform 45RFE/545RFE TRANSMISSION VERIFICATION TEST - VER 1. No >> Go To 8 21 - 162 AUTOMATIC TRANSMISSION 545RFE - ELECTRICAL DIAGNOSTICS WK |