A/C - Revised Voltage in Test D (Serial Data Line)

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NUMBER: 90-T-87A

CORP.REF.NO: 038107R

DATE: January 1991

SECTION: 8A


SUBJECT:
SERVICE MANUAL UPDATE - A/C C68 AIR DELIVERY - TEMPERATURE CONTROLS CODES/DIAGNOSTIC TEXT

MODELS/YEARS:
1989-90 CUTLASS SUPREME


Information in this bulletin supplements Dealer Technical Bulletin 90-T-87. Please do not discard 90-T-87 dated 4/90.

The voltage shown in Dealer Technical Bulletin Number 90-T-87 under the heading "Correct Voltage" in Test D: Serial Data Line Test (Table 2) should be changed as follows:

From: Approximately 12 volts To: Approximately 5 volts

Please make a reference to this bulletin in your copies of Dealer Technical Bulletin 90-T-87.