System Diagnosis

^ If any Powertrain Control Module (PCM) Diagnostic Trouble Codes are set.
^ 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 "General Troubleshooting Procedures"). Diagnostic Aids
^ Check for proper installation of aftermarket electronic equipment which may effect the integrity of other systems (refer to "General Troubleshooting Procedures").