Diagnostic Aids
WARNING: This page is about a different car, the 2002 GMC Safari and 2002 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.
Important: Use the appropriate probe from the J 35616-A connector test adapter kit for any probing of the electrical components in this table, in order to avoid damage to the terminals.
- The scan tool must display DTC B2618 as a current code before performing these diagnostics.
- Perform a visual inspection for loose or poor connections at all related components. Refer to TESTING FOR INTERMITTENT & POOR CONNECTIONS .