Intermittent failures in electronic systems may be very
difficult to detect and accurately diagnose. For this reason, a thorough test
drive is often needed in order to repeat a fault condition. If the system
malfunction is not repeated during the test drive, a good description of
the complaint may be useful in locating an intermittent malfunction. Faulty
wires or connections cause most intermittent problems. When an intermittent
condition is suspected, inspect the suspected circuits for the following
conditions:
| • | Poor mating of connector halves or backed out terminals |
| • | Improperly formed or damaged terminals |
| • | Poor wire to terminal connections |
| • | Dirty or corroded terminals |
| • | Water built up in locations near connectors |
