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Home >> Buick >> 1991 >> LeSabre Base, 440T4/ME9 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 3.8L PFI >> Diagnostic Flow Charts >> Code 26, (2 Of 3) Quad-Driver Circuit >> Notes

Code 26, (2 Of 3) Quad-Driver Circuit: Notes

NOTE: Test numbers refer to test numbers on diagnostic chart.
  1. 3)  This determines which circuit is out of specification. All circuits except SERVICE ENGINE SOON light and hot light should have battery voltage with engine running and ALDL test terminal "B" not grounded.
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