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Home >> GMC >> 1991 >> Forward Control 6.2 J, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - Transmission >> Component Check Charts >> Input Speed Sensor Circuit Check >> Diagnostic Aids
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Diagnostic Aids

Check all connectors. If code is intermittent, see INTERMITTENTS in TESTS W/O CODES article in this section.

Fig 1: Input Speed Sensor Ckt. Check Schematic
G91G13702
Fig 2: Input Speed Sensor Ckt. Check Flow Chart
G91H13703
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