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

Celica Vacuum Schematic

MSWlY

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