AUTOMATIC TRANSMISSION [SJ6A-EL]
05–13–37
05–13
SELF-DIAGNOSIS FUNCTION OUTLINE [SJ6A-EL]
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• The TCM monitors the communication status of each sensor, electronic component and PCM including the
PCM. If any malfunction should occur, the TCM functions to warn the driver and stores the malfunction as a
diagnosis code.
Caution
• To erase stored DTCs, always perform one of the below procedures. If not performed, a miss-
reading of the DTC may occur.
Stored DTC Erasing Method
• Use the WDS or equivalent.
• Disconnect the negative battery cable and reconnect it after 5 min. or more.
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FAIL-SAFE OUTLINE [SJ6A-EL]
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• With the fail-safe function, if any malfunction should occur in the automatic transmission system, the TCM will
output a control signal, and control will be performed to make travelling a minimum distance possible. If shift
solenoid malfunction, the TCM will cancel the output of control signals to the solenoid.
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SHIFT LEARNING FUNCTION [SJ6A-EL]
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• Learns optimum hydraulic pressures for each clutch and brake to reduce shift shock during shift change.
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COOLING SYSTEM OUTLINE [SJ6A-EL]
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• A water-cooling type AT oil cooler is adopted and installed in the radiator. The oil cooler cools the ATF heated in
the AT body.
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POWER PLANT FRAME (PPF) FUNCTION [SJ6A-EL]
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• The Power Plant Frame feature has been adopted for all models. For detailed information, refer to the M15M-D
manual transmission description. (See 05–11A–7 POWER PLANT FRAME (PPF) FUNCTION [M15M-D].)
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On-board diagnosis
• If any malfunction should occur in the automatic transmission, the TCM will cause
warning light to light up in order to inform the driver of the malfunction.
Off-board diagnosis
• The TCM stores the malfunction as a diagnosis code. The diagnosis code and TCM data
can be inspected by connecting the WDS or equivalent.
IN
OUT
OUT
IN
RADIATOR (IN TANK OIL COOLER)
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