Air Bag System - DTC 31 Manual Update
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Number: 91-244-9J
Section: 9J
Date: MARCH 1991
Corporate Bulletin No.: 139002
Subject:
SUPPLEMENTAL INFLATABLE RESTRAINT (SIR) DIAGNOSIS
Model and Year:
1991 CORSICA/BERETTA
SERVICE UPDATE
This bulletin is to replace page 9J-A-47 of the 1991 Corsica/Beretta Service Manual.
The information in the SIR diagnosis "Trouble Tree" Chart of Code 31 could lead the technician to misdiagnosis and unnecessary repairs.
In Step 1 the results are reversed. Before replacing the arming sensor, the technician should not have measured 30-40 volts between Terminal B and ground.