TSRM/MK2 Supra/Repair Manual
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BE/Body Electrical System, page 76

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Body Electrical System — MK2 Supra Body Electrical System, page 76
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Page text (OCR transcript)
BE-76
BODY ELECTRICAL SYSTEM - Cruise Control System

CONTINUED FROM PREVIOUS PAGE

ACTUATOR
Yes

INSPECT ACTUATOR OPERATION
Is actuator operation normal?
(See page BE-84)
No → Replace actuator.

Yes ↓
Replace computer.

B | INSPECTION OF CONTROL SWITCH CIRCUIT

Turn ignition switch off.

CONTROL S/W

INSPECT SWITCH OPERATION
Is there continuity between terminal 28 and body ground with accel/resume switch turned on?
No → Inspect control switch.

Yes ↓

Is there continuity between terminal 28 and body ground with accel/resume switch turned off?
Yes → Inspect control switch.

COMPUTER
No ↓

INSPECT ACCEL/RESUME SWITCH CIRCUIT
Is there continuity between terminal 13 and body ground with accel/resume switch turned on?
No → Open circuit in wire harness between terminal 13 of computer and terminal 28 of control switch.

ACTUATOR
Yes ↓

INSPECT ACTUATOR OPERATION
Is actuator operation normal?
(See page BE-84)
No → Replace actuator.

Yes ↓
Replace computer.