Diagnostic Aids

DIC displays dashes (- -) when there is a fault in the class 2 serial data circuit. This occurs only during the following modes:

• Average Fuel Economy.
• Average Speed.
• Fuel Used.
• Instant Fuel Economy.
• Trip Range.

Compass display and temperature display still operate normally when there is a fault in class 2 serial data circuit. In this case refer to, TEST D: SCAN TOOL DOES NOT COMMUNICATE WITH CLASS 2 DEVICE under SYSTEM TESTS in BODY CONTROL MODULES - ASTRO & SAFARI article.