HVAC Controls - Diagnostic Testing Updates
Group Ref.: 8 - Chassis/Body ElectricalBulletin No.: 468102
Date: June 1994
SERVICE MANUAL UPDATE
Subject:
SECTION 8A-63 - HEATER AND A/C CONTROLS
Models:
1994 CHEVROLET AND GMC TRUCK C/K MODELS WITH AIR CONDITIONING
The following represents revised information for SECTION 8A-63 of the 1994 C/K Models Driveability, Emissions, and Electrical Diagnosis Manual (NATP-9442)
This information updates information found on pages 8A-63-9 and 8A-63-1O under HEATER AND A/C CONTROLS.
Test F and Test G incorrectly call for the technician to use an A/C Diagnostic Tester while diagnosing air conditioning air delivery modes.
The Diagnostic Tester is not currently available. When it is referenced during testing, backprobe the proper cavity of the connector. Follow GM Guidelines as described in 8A-2.