SMU - SECTION 6E3 - DRIVEABILITY & EMISSIONS. Pontiac Sunfire 1995

SUBJECT: SERVICE MANUAL UPDATE-SECTION 6E3-DRIVEABILITY AND EMISSIONS-REVISED OBD SYSTEM CHECK, CHART A-1 NO MIL, CHART A-2 NO DATA OR MIL ON STEADY

MODELS: 1995 CHEVROLET CAVALIER 1995 PONTIAC SUNFIRE WITH 2.2L ENGINE (VIN 4 - RPO LN2)

THIS BULLETIN IS BEING ISSUED TO REVISE THE ON BOARD DIAGNOSTIC (OBD) SYSTEM CHECK, CHART A-1 NO MALFUNCTION INDICATOR LAMP (MIL) (CHECK ENGINE), CHART A-2 NO DLC DATA OR NO MIL CONTROL OR MIL "ON" STEADY CHARTS IN THE 1995 J SERVICE MANUAL (BOOK 2 OF 2) LABELED GMP/95-J-2. THE ELECTRICAL SCHEMATIC USED FOR EACH OF THE MENTIONED CHARTS HAS THE PCM BATTERY FEED FUSE INCORRECTLY LABELED. THIS IS THE FUSE USED TO POWER CIRCUIT 480 ORN TO THE PCM. THE FUSE SHOULD BE LABELED PCM (RELAY CENTER) AND THE AMPERAGE RATING SHOULD BE 10 AMPS. CORRECT REFERENCE TO THIS CHANGE CAN BE FOUND IN THE 2.3L SECTION OF THIS MANUAL ON PAGE 6E3-A-16.

PLEASE MAKE A NOTE OF THIS CORRECTION IN YOUR SERVICE MANUAL.

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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.