A/C Compressor Controls - Electrical Diagnosis
NUMBER: 93-U-09CORP.REF.NO.: 238117R
DATE: December 1992
SECTION: 1B, 8A
SUBJECT:
ELECTRICAL DIAGNOSIS A/C: COMPRESSOR CONTROLS
MODELS/YEARS:
1992-93 CUTLASS CIERA/CUTLASS CRUISER
The following revisions should be made to Section 1B of the 1992-93 Cutlass Ciera/Cutlass Cruiser Service Manual.
1992 Model Year And Page:
1B-7: Under the title "Relays and Switches", the paragraph "High-Pressure Compressor Cut-Out Switch" is for the 3.3L Engine Only.
1B-7: Under the title that reads "Pressure Cycling Switch", it should indicate that it is for the 3.3L Engine Only.
1B-45: The paragraph that reads "Low-Pressure Compressor Cut-Out Switch" should read "High-Pressure Compressor Cut-Out Switch" (3.3L Engine Only).
1B-45: The paragraph that reads "High-Pressure Compressor Cut-Out Switch" should read "High/Low-Pressure Compressor Cut-Out Switch" (2.5L Engine Only).
1993 Model Year And Page:
1B-6: Under the title "Relays and Switches", disregard the paragraph "Low-Pressure Cut-Out Switch" (LG7) and refer to "Pressure Cycling Switch" (LG7 Only).
1B-45: The paragraph that reads "Pressure Cycling Switch" should indicate that it is for the 3.3L Engine Only.
1B-46: The paragraph that reads "Low-Pressure Compressor Cut-Out Switch" should read "High-Pressure Compressor Cut-Out Switch" (3.3L Engine Only).
Section 8A, Cell 64: Electrical diagnosis (Air Conditioning: Compressor Controls V6 (VIN N) A/C Low Pressure Cut-Out Switch) - Incorrect component name and specification reading.
The A/C Low Pressure Cut-Out Switch is now called A/C Pressure Cycling Switch, its specification should read as follows:
Opens below 172 kPa (25 PSI) Closed above 317 kPa (46 PSI)
Please update your respective service manual accordingly.