Mitsubishi Eclipse II technical information manual page 186

text version of content this owner's manual page from owners manual to the vehicle Mitsubishi Eclipse, year of production 1995 - 1999:

POWER TRAIN - Automatic Transaxle Electronic Control System / INTRODUCTION TO THE ELECTRONIC CONTROL SYSTEM LJ The advantage of using the electronic control systemfunction when possible. The shut-down sequence is more precise control over transaxle function. Anwill vary depending on which gear the transaxle added advantage of the system is that it can helpis in and what the vehicle speed is at the time the the technician find a problem in a malfunctioningfailure is identified by the TCM. This “all-solenoids transaxle. The system can do this through whatoff” limp-in mode is designed to allow for shift lever is called On-Board Diagnostics. The Transmissionmanual control of PARK, REVERSE, NEUTRAL and Control Module (TCM) continuously monitors its criti-SECOND GEAR operation. When any forward gear shift lever position is chosen, the transaxle will re- cal functions during normal operation. It records main in second gear range. malfunctions in the form of diagnostic trouble codes All failures do not result in limp-in, just those that and the number of engine starts since the last code stored in memory. The technician can use this in-could potentially cause internal transaxle damage. formation in the event of a malfunction or complaint.If the TCM itself fails, the transaxle will also go Up to seven, two digit numeric diagnostic troubleinto the limp-in mode. codes may be stored in memory at one time.The transaxle control system consists of an electron- When a failure is identified by the TCM, the systemic control module, called the TCM, and a system may go into a limp-in mode by turning off the sole- of input and output components, that function togeth- noids. TCM logic is included to ensure that the limp-er to control the operation of the transaxle. in event results in an orderly shut-down of transaxle Electronic Control System Each of the major system components are repre-the Chrysler Collision Detection (CCD) data bus. As the TCM receives input information, it continuous- sented as a block of information. The lines between ly processes it through its logic circuits in order the blocks represent the flow of input and output to perform all of the control functions that it has information between the components. Some of the input and output information is unique been designed to perform. The following is a list Lto the TCM. In other words, some of the input toof inputs related to the transaxle control system, the TCM is “Direct Input.” Some information (input)both direct and indirect. to the TCM is shared with other components through

owners manual Mitsubishi Eclipse

owners manual Mitsubishi Eclipse - year of production: 1995, 1996, 1997, 1998, 1999 - Mitsubishi Eclipse II technical information manual EN