TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
p.075
BE/Body Electrical Systems76 / 203
p.077
SLIDE MOTOR INSPECTION — MK4 Supra Body Electrical Systems, page 76
100%
BE–76 BODY ELECTRICAL SYSTEM – POWER SEAT CONTROL SYSTEM SLIDE MOTOR INSPECTION 1. INSPECT MOTOR OPERATION (a) Connect the positive (+) lead from the battery to terminal 2 and the negative (–) lead to terminal 1, check that the motor turns counterclockwise. (b) Reverse the polarity, check that the motor turns clockwise. If operation is not as specified, replace the motor. ND9800 2. INSPECT PTC THERMISTOR OPERATION (a) Separate power seat adjuster from front seat. (b) Connect the positive (+) lead from the battery to terminal 2, the positive (+) lead from the ammeter to terminal 1, and the negative (–) lead to battery negative (–) terminal, and move the seat front end position. (c) Continue to apply voltage, check the current changes to less than 1 ampere within 4 to 90 seconds. BE2613 NO8242 207994 (d) Disconnect the lead from terminals. (e) Approximately 60 seconds later, connect the positive (+) lead from battery to terminal 1 and the negative (–) lead to terminal 2, check that the seat begins to move backwards. If operation is not as specified, replace the motor. BE2613 BE3605 207995