OBD/KS - Revised System Check, Chart C5 & DTC 43

Bulletin:
93-6E-10

Date:
Jan. '93

Ref.No.:
93-79-6E

Corp. Ref. No.:
216523


SUBJECT:
SERVICE MANUAL UPDATE - SECTION 6E. DTC 439 CHART C-5 AND OBD SYSTEM CHECK

MODELS AFFECTED:
1993 SKYLARK WITH 2.3L ENGINE VIN 3


This bulletin updates Section 6E3 of the 1993 Skylark Service Manual with the 2.3L (VIN 3) Engine. The updated pages represent engineering changes in the Knock Sensor (KS) System. Included with these pages are enhanced diagnostic charts. The pages are as follows:





6E3-A-9 On-board Diagnostic (OBD) System Check, Tech 1 Data





6E3-A-66 DTC 43 Knock Sensor (KS) Circuit Facing Page





6E3-A-67 DTC 43 Knock Sensor (KS) Circuit Chart





6E3-C5-2 Chart C-5 Knock Sensor (KS) System Check Facing Page





6E3-C5-3 Chart C-5 Knock Sensor (KS) System Check

Please update your Service Manuals accordingly.