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Home >> Geo >> 1989 >> Tracker Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Tests W/Codes >> Code 31, Map Signal High >> Diagnostic Aids

Diagnostic Aids

Code 31 will be stored if circuit No. 469 is open or if circuit No. 432 is shorted to voltage or to circuit No. 416. If Code 31 is intermittent, see TESTS W/O CODES article.

Fig 1: Code 31, Circuit Wiring Diagram & Flow Chart
G121696Courtesy of GENERAL MOTORS CORP.