Self-Diagnostics System Check Chart B-1: Data Circuit Grounded: Description

You have been directed to this chart from SELF-DIAGNOSTICS SYSTEM CHECK CHART B: DATA CIRCUIT PROBLEM because there is a short to ground on CKT 800. This chart will help you determine where the short circuit is located.

NOTE: Numbers in list refer to circled numbers in diagnostic flow chart, see Fig 1. For circuit identification see Figure.

This chart is set up to subdivide the 800 circuit piece by piece until the location of the short is found.

Fig 1: Self-Diagnostics System Check Chart B-1: Data Circuit Grounded Flow Chart

Courtesy of GENERAL MOTORS CORP.