Control Module HVAC: Testing and Inspection

Fig. 1 Blower Motor Controller Location (Typical):

1. Remove blower controller from blower, Fig. 1.

Fig. 2 Blower motor controller test connections.:

2. Connect IG wire to battery positive terminal and E wire to battery ground terminal, Fig. 2.
3. Attach ohmmeter probes to X and Y wires, Fig. 2.
4. When connecting the SW wire to battery negative terminal, there should be continuity between X and Y terminals for 3-7 seconds.