LW2 V6-3.0L VIN R (2000)
^
If fuse is not OK, refer to "HVAC Blower Controls" schematic in the 2000/2001 L-Series HVAC Service Manual and perform additional
diagnostics as necessary.
^
If fuse is OK, proceed to the next step.
3.
Turn HVAC blower control to a non-functioning blower speed.
4.
Remove right side I/P lower dash insulator retainers.
5.
Pull insulator rearward to detach from forward insulator retainers.
6.
Remove right side heater outlet assembly retainer and remove outlet.
7.
Use a DVOM to backprobe and check for voltage at blower motor resistor card between terminal C (YEL ckt 268) and ground.
^
If voltage is present at terminal C, refer to "HVAC Blower Controls" schematic in the 2000/2001 L-Series HVAC Service Manual and perform
additional diagnostics as necessary.
^
If voltage is not present, proceed to next step.
8.
Disconnect blower motor resistor card connector. Use a DVOM to check voltage at the appropriate blower motor resistor card terminals of
non-functional speeds.
Speed
Terminal
LO
D
M1
A
M2
B
^
If voltage is present on all non-functional speeds, replace blower motor and resistor card. Follow procedures outlined in this bulletin.
^
If voltage is not present on all non-functional speeds, refer to "HVAC Blower Controls" schematic in the 2000/2001 L-Series HVAC Service
Manual and perform additional diagnostics as necessary.
Blower Motor Replacement
1.
Turn ignition On and select outside air on HVAC control head.
2.
Turn ignition Off.
3.
Open engine compartment hood and disconnect negative battery cable.
