Cutlass Ciera Cruiser V6-3300 3.3L MFI VIN N (1993)
Refrigerant Pressure Sensor / Switch: Technical Service Bulletins
A/C Compressor Controls - Electrical Diagnosis
NUMBER: 93-U-09
CORP.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.
