TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
p.171

BE/Body Electrical Systems — Check actuator motor., page 172

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p.173
Check actuator motor. — MK4 Supra Body Electrical Systems, page 172
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Page text (OCR transcript)
BE–172
BODY ELECTRICAL SYSTEM – CRUISE CONTROL SYSTEM

1  Check actuator motor.

5    4
7         6

Deceleration
Side

Acceleration
Side

Control Plate

N08717
N08713

P  (1)  Remove cruise control actuator.
   (2)  Disconnect actuator connector.

C  (1)  Connect positive (+) lead to terminal 5 and
         negative (–) lead to terminal 4 of actuator connector.
         (Magnet clutch ON)
   (2)  When battery positive voltage is applied to each of
         the actuator connector terminals check that the con-
         trol plate moves smoothly without hesitating.

O——O Connect

Terminal
Moving          Positive  Negative    6      7
direction          (+)      (–)
Acceleration       O                   O
side                        O                  O
Deceleration       O                          O
side                        O——O

   (3)  With the motor rotating as in 2., check that the mo–
         tor is stopped by limit switches when the control
         plate moves to fully opened or fully closed position.

OK                    NG    Replace actuator assembly.

2  Check harness and connectors between cruise control ECU and actuator
   motor (See page IN–30).

OK                    NG    Repair or replace harness or connector.

Proceed to next circuit inspection shown on matrix chart (See page BE–170).
However, when diag. trouble code 11, 14, 41 is displayed, check and replace cruise control ECU.