Tercel Wagon L4-1452cc 1.5L SOHC (3A-C) (1987)
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Expansion Valve: Testing and Inspection
Installed
ON-VEHICLE INSPECTION OF EXPANSION VALVE
1. Install manifold gauge set.
2. Check quantity of gas during refrigeration cycle.
3. Run the engine at 2,000 rpm for at least 5 minutes.
4. If the expansion valve is clogged, the low pressure reading will drop to 0 kg/cm2 (0 psi, 0 kPa), otherwise it is OK.