Symptom Tests: Notes

CAUTION: When battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION before disconnecting battery.

NOTE: Connector Test Adapter Kit (J 35616-A) must be used whenever a diagnostic procedure requires checking or probing a terminal to prevent damage to terminal. To locate and identify connectors and terminals, see WIRING DIAGRAMS .

NOTE: Before performing following tests, perform preliminary inspection. See PRELIMINARY INSPECTION under TROUBLE SHOOTING. To identify connectors and wire colors, see WIRING DIAGRAMS .

NOTE: Diagnostic trouble code tests are written specifically for use with GM Tech 1 or 2 scan tools. Generic scan tool can be used, but may have limited functions.

NOTE: Before replacing any control module, ensure all module ground and power circuits are functioning properly. For circuit identification, see GROUND DISTRIBUTION and POWER DISTRIBUTION articles in WIRING DIAGRAMS.

SYMPTOM INDEX

Symptom	Perform Test
All Power Windows Inoperative	A
Power Windows Lock-out Function Inoperative	B
Passenger Door Power Window Inoperative	C
Power Window Inoperative From Master Switch	D