1995 Suzuki Sidekick AUTO TRANS DIAGNOSIS
Automatic transmission is electronically controlled. Transmission shifting and torque converter lock-up are controlled by Transmission Control Module (TCM). The TCM receives information from various input devices and uses this information to control shift solenoids No. 1 and 2 on transmission valve body for transmission shifting, and Torque Converter Clutch (TCC) solenoid for torque converter lock-up.
An Overdrive (OD) switch is mounted on shift lever. When OD switch is depressed to ON position, transmission will shift into 4th gear when shift lever is in “D” position, and OD OFF light on instrument panel will go off. When OD switch is released to OFF position, transmission will shift into 3rd gear, and OD OFF light on instrument panel will illuminate. The OD OFF light is located on instrument panel.
The TCM receives information from various input devices and uses this information to control shift solenoids No. 1 and 2 on transmission valve body for transmission shifting, and TCC solenoid for torque converter lock-up.
The TCM contains a self-diagnostic system, which will store a trouble code if failures or problems are present in electronic control system. Trouble code can be retrieved to determine problem area. See SELF-DIAGNOSTIC SYSTEM. Note location of TCM.
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