General Information

Power Seat Module
B1954 Slide Motor Or Sensor Error - General Information

Component Location





General Description

IMS (Integrated Memory System) is a system which can memorize the position of power seat (PTM), tilt/telescope handle (SCM), side mirror (DDM/ADM) by position sensor and restores them to a previous position. (Memory function is not allowed during driving for safety reason)

DTC Description

PSM sets this code when amount of change of the Slide motor position sensor is little than 12 edge (6 pulse) for 2 sec. This means that Slide motor/sensor stuck due to open or short in circuit or external cause. (compulsive restriction)

DTC Detecting Condition





Diagnostic Circuit Diagram










Signal Waveform & Data












Fig.1) Normal waveform of Seat Slide Motor/Sensor
Fig.2) The maximum value at forward side end position
Fig.3) The maximum value at reward side end position