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AUTOMATIC TRANSMISSION (AW30-40LE) 7A-1 SECTION 7A AUTOMATIC TRANSMISSION (AW30-40LE) TABLE OF CONTENTS PAGE General Description.........................................................................................................7A- 5 Construction................................................................................................................7A- 5 Transmission Control Module (TCM) ........................................................................7A- 9 Control and Functions................................................................................................7A- 13 Location of Clutch, Brake, One-way Clutch and Solenoid ......................................7A- 16 Speed Change and Lock-up Pattern..........................................................................7A- 18 Overdrive and Lock-up Operating Conditions..........................................................7A- 19 Diagnosis..........................................................................................................................7A- 20 Basic Troubleshooting ...............................................................................................7A- 20 Diagnosis with Tech 2 ................................................................................................7A- 25 Tech 2 Operating Flow Chart (Start up) ....................................................................7A- 28 TCC Data ......................................................................................................................7A- 31 Identification of Transmission Control Module (TCM).............................................7A- 33 Diagnostic Trouble Codes (DTC) Check ...................................................................7A- 34 DTC P0502 (Flashing Code 24) Speed Meter Sensor Failure (SP1) ........................7A- 38 DTC P0710 (Flashing Code 16) Oil Temperature Sensor Failure (OT2)..................7A- 45 DTC P0722 (Flashing Code 11) Output Revolution Sensor Failure (SP2) ..............7A- 52 INDEX |