SMU SEC. 6E3 REV. A/C REQUEST PCM TERMINAL 'C20 TO D20'. Pontiac Grand Prix 1994

SUBJECT: SERVICE MANUAL UPDATE - SECTION 6E3 - REVISED A/C REQUEST PCM TERMINAL "C20" TO "D20"

MODLES: 1994 CHEVROLET LUMINA 1994 OLDSMOBILE CUTLASS SUPREME 1994 PONTIAC GRAND PRIX WITH 3.4L ENGINE (VIN X - RPO LQ1)

THIS BULLETIN UPDATES THE AIR CONDITIONING REQUEST PCM TERMINAL FROM "C20" (CKT 66, LT. GRN.) TO "D20" (CKT 66, LT. GRN.) ON THE FOLLOWING PAGES IN THE 1994 "W" CAR 3.4L (VIN X) MANUAL. PLEASE MAKE THE APPROPRIATE CHANGE TO THE FOLLOWING PAGES:

FIGURE A-6 - PCM WIRING DIAGRAM (4 OF 4).... PAGE 6E3-A-8

FACING PAGE ART FOR CHART C-10 (1 OF 3) .... PAGE 6E3-C10-2 (2 OF 3) .... PAGE 6E3-C10-4 (3 OF 3) .... PAGE 6E3-C10-6

CHART C10 (1 OF 3) ......................... PAGE 6E3-C10-3

FIGURES: 0

GENERAL MOTORS BULLETINS ARE INTENDED FOR USE BY PROFESSIONAL TECHNICIANS, NOT A "DO-IT-YOURSELFER". THEY ARE WRITTEN TO INFORM THOSE TECHNICIANS OF CONDITIONS THAT MAY OCCUR ON SOME VEHICLES, OR TO PROVIDE INFORMATION THAT COULD ASSIST IN THE PROPER SERVICE OF A VEHICLE. PROPERLY TRAINED TECHNICIANS HAVE THE EQUIPMENT, TOOLS, SAFETY INSTRUCTIONS AND KNOW-HOW TO DO A JOB PROPERLY AND SAFELY. IF A CONDITION IS DESCRIBED, DO NOT ASSUME THAT THE BULLETIN APPLIES TO YOUR VEHICLE, OR THAT YOUR VEHICLE WILL HAVE THAT CONDITION. SEE A GENERAL MOTORS DEALER SERVICING YOUR BRAND OF GENERAL MOTORS VEHICLE FOR INFORMATION ON WHETHER YOUR VEHICLE MAY BENEFIT FROM THE INFORMATION.