Century Estate Wagon L4-151 2.5L VIN R TBI (1987)
Engine Control Module: All Technical Service Bulletins
ECM - Terminal Voltage Update
Bulletin
87-6E-21
Date
Aug. '87
Ref.No. 87-162-6E
Corp. Ref. No. 776505
SUBJECT:
ECM TERMINAL VOLTAGE
MODELS AFFECTED: 1987 CENTURYS, SOMERSETS, AND SKYLARKS WITH 2.5L ENGINES (VIN CODES R AND U)
Page 6E2-A2-15 of the 1987 Buick Chassis Service Manual (Vol. I) contains an error. The voltage reading at Pin B9 (Ignition Ref. Hi) should be about:
Key "On" = 4.5V Eng. Run = 3.0V
Please make note of this on the page referenced above.
