Injector Coil Test - Revised Chart A8
File In Section: 6E - Engine Fuel & EmissionBulletin No.: 51-63-02
Date: September, 1995
SERVICE MANUAL UPDATE
Subject:
Sections 3A and 3B - Control Module System (PCM), (ECM/EFI4) and (VCM-A) Revised Chart A-8 Injector Coil Test
Models:
1994-95 Chevrolet and GMC Truck C/K, S/T Models
1994 Oldsmobile Bravada
with 4.3L Engine (VIN W - RPO L35)
This bulletin is being issued to advise technicians of a revision to Chart A-8 Injector Coil Test and the example box on the facing page. The following service manual pages are being affected:
^ 1994 M/L Driveability Emissions and Electrical Diagnosis Manual pages 3A-38, 3A-39
^ 1995 M/L Driveability Emissions and Electrical Diagnosis Manual pages 3A-32, 3A-33
^ 1994 S/T Driveability Emissions and Electrical Diagnosis Manual pages 3A-58, 3A-59, 3B-32, 3B-33
^ 1995 S/T Driveability Emissions and Electrical Diagnosis Manual pages 3A-56, 3A-57, 3B-36, 3B-37
^ 1994 S/T Service Manual Supplement (with RPO CTF) pages 3A-32, 3A-33
^ 1994 T-Truck Service Manual Supplement (Oldsmobile Bravada) pages 6E3-A-35a, 6E3-A-35b
^ In Chart A-8 Injector Coil Test, the AMP reading in # 1 box of the tree chart should read 2.5 AMP.
^ In Chart A-8 Injector Coil Test, the voltage reading in # 2 box of the tree chart should read 3.3 - 4.8 volts.
^ In the Example Box on the facing page at 50°F to 95°F the resistance should read 1.9 to 2.1 Ohms and the voltage should be at 3.3 - 4.8 volts.