Bonneville V6-3800 3.8L Supercharged (1992)
6. If Blower runs with Ignition Switch OFF, check PPL (65) wire, ORN (761) wire and Relay Center Fuse 1 for a short to battery. If OK, replace
Blower Control Module.
7. If exterior temperature or set temperature flashes for first two minutes of operation, Refer to Air Door Actuators / System Diagnosis / Procedures /
Air Delivery and Temperature Control. See: Air Door/Air Door Actuator / Motor/Testing and Inspection
8. If external or set temperature is displayed in degrees Celsius when Ignition Switch is turned to RUN, check HVAC Programmer connector
terminal C6 for a BLK wire. If one is present, cut it, tape the end to prevent shorts and tape the wire back to the wiring harness.
^
Try the following checks before doing the System Checks.
^
Refer to A/C System / System Diagnosis / Procedures / Functional Test for a guide to normal compressor control operation. See: Testing
and Inspection
^
Refer to System Diagnosis for diagnostic tests. See: System Diagnosis
Manual Climate Controls
^
Try the following checks before doing the System Checks.
1.
Check Instrument Panel (I/P) Fuse Block Fuse 17 by visual inspection.
2.
Check RH underhood Fuse Block Fuse 3 by visual inspection.
3.
Check that ground G103 is clean and tight.
4.
Check that Blower Motor connector and Blower Relay are mated correctly and firmly seated.
^
Refer to A/C System / System Diagnosis / Procedures / Functional Test for a guide to normal compressor control operation and diagnostic
references of the A/C system. See: Testing and Inspection
^
Refer to System Diagnosis to isolate blower control conditions. See: System Diagnosis
