TSRM/MK2 Supra/Repair Manual
Repair ManualWiring Diagrams
p.065
BE/Body Electrical System66 / 121
p.067
BODY ELECTRICAL SYSTEM — Power Window — MK2 Supra Body Electrical System, page 66
100%
BE-66 BODY ELECTRICAL SYSTEM — Power Window Power Main Relay INSPECTION OF POWER MAIN RELAY 1. INSPECT RELAY CONTINUITY Inspect that there is continuity between terminals 1 and 3. Inspect that there is no continuity between terminals 2 and 4. 2. INSPECT RELAY OPERATION Inspect the continuity between terminals 2 and 4 with battery voltage applied between terminals 1 and 3. If continuity is not as specified, replace the relay. Power Window Motor INSPECTION OF POWER WINDOW MOTOR 1. INSPECT CIRCUIT BREAKER OPERATION (a) With the window in the full closed position, hold the power window switch at "UP" and check that there is a circuit breaker operation noise within 4 to 40 seconds. (b) With the window in the fully closed position, hold the switch at "DOWN" and check that the window begins to descend within 60 seconds. 2. INSPECT MOTOR OPERATION (a) Connect the positive (+) lead from the battery to terminal 1 and connect the negative (—) lead to the terminal 2, and check that the motor turns clockwise. (b) Connect the positive (+) lead from the battery to terminal 2 and connect the negative (—) lead to the terminal 1, and check that the motor turns counter- clockwise. If operation is not as specified, replace the motor.