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Instrument Panel Cluster - Diagnostic Chart Revision

File In Section: 8 - Chassis/Body Electrical

Bulletin No.: 53-83-24

Date: December, 1995

SERVICE MANUAL UPDATE

Subject:
Section 8C1 - Revised Information and New Chart # 7 for Instrument Panel Cluster (IPC) Microprocessor Diagnosis

Models:
1996 Buick Skylark
1996 Oldsmobile Achieva
1996 Pontiac Grand Am

This bulletin is being issued to provide updated information for Section 8C1. Please update the appropriate Service Manual accordingly.

^ Page 8C1-22:

The "Low Coolant" Telltale operation listed under "Normal Results" of the System Check table should read as follows: "3 seconds "ON", then "OFF". Controlled by the PCM over SDL. (RED)."

^ Page 8C1-33:

The first step in Chart # 6 that reads "Is volts telltale reading as "ON"?" should be changed to "Is lamp terminal reading as "ON"?"

^ Page 8C1-34:





Chart # 7, "Air Conditioning Does Not Operate", should be replaced with the revised Chart # 7.