Troubleshooting Hints - HVAC System - Manual

PERFORM BEFORE BEGINNING SYSTEM DIAGNOSIS
1. If the Blower Motor does not operate, check the HVAC BLO MOT Fuse and the HTR-A/C Fuse.
2. If the Blower Motor does not operate, check that grounds G100 and G111 are clean and tight.
^ Check for a broken (or partially broken) wire inside of the insulation which could cause system failure but prove GOOD in a continuity/voltage check (refer to Trouble shooting Procedures C).
^ Check for proper installation of aftermarket electronic equipment which may affect the integrity of other systems (refer to Troubleshooting Procedures). Diagnostic Aids
^ Refer to System Diagnosis.