For 1990-2009 cars

# SMU - 6E3 - DRIVEABILITY & EMISSIONS

#### SUBJECT: SERVICE MANUAL UPDATE-SECTION 6E3-DRIVEABILITY AND EMISSIONS-REVISED PCM WIRING DIAGRAM

#### MODELS: 1994 BUICK SKYLARK 1994 OLDSMOBILE ACHIEVA 1994 PONTIAC GRAND AM WITH 3.1L ENGINE (VIN M-RPO L82)

THIS BULLETIN IS BEING ISSUED TO REVISE SECTION 6E3 OF THE 1994 N-CAR SERVICE MANUALS. PLEASE MAKE THE FOLLOWING CORRECTIONS:

* ON PAGE 6E3-A-5, THE 24X CRANKSHAFT POSITION SENSOR CIRCUIT 643 DK BLU/WHT SHOULD BE 647 YEL. CIRCUIT 632 BLK/PNK SHOULD BE 632 PNK/BLK. * ON PAGES 6E3-A-12, 6E3-A-42, 6E3-A-62 AND 6E3-B-23, THE 24X CRANKSHAFT POSITION SENSOR CIRCUIT 573 YEL SHOULD BE 647 YEL.

PLEASE MAKE CHANGES IN THE APPROPRIATE SERVICE MANUALS.

FIGURES: 00 ATTACHMENTS: 00

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.

COPYRIGHT 1995 GENERAL MOTORS CORPORATION. ALL RIGHTS RESERVED.