LEMON Manuals: Even more car manuals for everyone
Home >> Volkswagen >> 2001 >> Jetta GL, 2.0 B >> Repair and Diagnosis >> External Pages >> Different car >> Section 26 (Heating & Air Conditioning (A3 Platform)) >> Air Conditioning >> A/C system operation, troubleshooting (from 1994 m.y.) >> A/C does not cool - evaporator and A/C lines at ambient temperature >> Test procedure

Test procedure

WARNING: This page does not describe the selected car, but rather 27 other vehicles, including the 2002 Volkswagen Cabrio, 2001 Volkswagen Cabrio, 2000 Volkswagen Cabrio, 1999 Volkswagen Jetta, and 1999 Volkswagen Golf. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: A/C System Operation Troubleshooting: A/C Does Not Cool - Evaporator And A/C Lines At Ambient Temperature (From 1994 M.Y.)
G03364001Courtesy of VOLKSWAGEN OF AMERICA, INC.
A/C DOES NOT COOL - EVAPORATOR AND A/C LINES AT AMBIENT TEMPERATURE (FROM 1994 M.Y.)

Components Specified function and check Remedy if specified function not obtained
3 - A/C switch - E35-
  • With engine OFF and ignition switched ON, A/C clutch -N25- must audibly click when A/C switch -E35- is pressed repeatedly
  • Check A/C pressure switch -F129-, refer to FUNCTIONS 
  • Locate malfunction using wiring diagram(1)
(1) If A/C clutch -N25- does not click ON and voltage is present (at least 9.5 V) at A/C clutch connector, A/C clutch -N25- is faulty.