TSRM/MK2 Supra/Repair Manual
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AC/Air Conditioning System — Functional Test and Adjustment, page 16

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Functional Test and Adjustment — MK2 Supra Air Conditioning System, page 16
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Page text (OCR transcript)
FUNCTIONAL TEST AND ADJUSTMENT

Vacuum Circuit

ON-VEHICLE INSPECTION

1. REMOVE UNDERCOVER

2. DISCONNECT FROM NORMAL CONNECTOR AND RECONNECT TO CHECK CONNECTOR OF AMPLIFIER

3. PLACE TEMPERATURE CONTROL LEVER AT 77

4. CHECK VACUUM CIRCUIT
(a) Run the engine and observe the movement of the power servo stem visually for one minute or more. The stem must be stable.
(b) If the stem moves, check the vacuum circuit for leaks.

5. REINSTALL UNDERCOVER

CHECK CONNECTOR (BLUE)

NORMAL CONNECTION

POWER SERVO STEM

Temperature Control Lever

Blower Control Lever

Air Flow Control Lever

Air Intake Control Lever

APPLICABLE AIR CONDITIONER

Vacuum Tank

Cruise Control Actuator

Vacuum Port

Vacuum Tank

Vacuum Gauge

DVV

VSV

VSV

Power Servo

Water Valve