Diagnostic Fault Information
WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.
Auxiliary Blower Motor Malfunction
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| Rear Blower Motor Speed Control | 2 | 2 | 2 | - |
| Aux. Blower Motor Control Module Ground | - | 2 | - | - |
| Blower Speed Feed Back Signal | 2 | 2 | 2 | - |
| Auxiliary Blower Motor Low Reference | 1 | 2 | 2 | - |
| Auxiliary Blower Motor Ground | - | 2 | 2 | - |
| Auxiliary Blower Motor B+ | 2 | 2 | - | - |
| 1. Always ON 2. Inoperative |
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