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Diagnostic Manual, Climate Control, Volume 1

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LOCATION:    3.3 Air Conditioning (A/C)    >   42 Refrigeration System Test Program - Test


Refrigeration System Test Program - Test

Perform Function Test 11 /1.
Charge system with 950 g of refrigerant R134a (test quantity).
Connect gauges to low and high pressure test connections.
Engine at operating temperature.
Center and side air outlets open.
Test period > 3 minutes.
Press .
Vehicle should not be parked in the sun before or during the test.

Electrical wiring diagrams :
Electrical Troubleshooting Manual, Model 202.




Conventional tools, test equipment

Description Brand, model, etc.
Multimeter 1) Fluke models 23, 83, 85, 87 with thermocouple
Module 80TK
Manifold gauge set (for R134a only) Local purchase
R134a Recovery/Recycling/Recharging Service Equipment Local purchase
1) Available through the MBUSA Standard Equipment Program.