Self-Diagnostic System: Notes
WARNING:
Vehicles are equipped with Supplemental Inflatable Restraint (SIR) system. Before attempting any repairs involving steering column, instrument panel or related components, see SERVICE PRECAUTIONS and DISABLING & ACTIVATING AIR BAG SYSTEM in appropriate AIR BAG RESTRAINT SYSTEMS article.
CAUTION:
Electronic modules are sensitive to static electrical charges. Proper grounding of technician and workplace is essential to prevent damage.
CAUTION:
When using scan tool, exit all scan tool tests before cycling ignition switch from OFF to RUN position unless scan tool instructions indicate otherwise. Follow all scan tool manufacturer's instructions, or diagnostic trouble codes (actual or false) may set, vehicle systems may malfunction or scan tool may malfunction.
NOTE:
Diagnostic Trouble Code (DTC) tests are written specifically for use with GM Tech 2 scan tool. Generic scan tool can be used but may have limited functions. This article only covers the portion of those systems and DTC tests which relate to remote keyless entry system diagnosis.
NOTE:
For component locations, see COMPONENT LOCATIONS
. For wiring circuit identification, see WIRING DIAGRAMS
.
NOTE:
Use adapter from Terminal Test Adapter Kit (J-35616-A) connected to DVOM when making all measurements.