Diagnostic Aids

Check all connections, especially at the transmission pass-thru connector. If code is intermittent, see INTERMITTENTS in TESTS W/O CODES article.

Fig 1: Output Speed Sens Ckt Check, Schematic, C & K Series (2WD)

Courtesy of GENERAL MOTORS CORP.

Fig 2: Output Speed Sens Ckt Check, Schematic, G & P Series (2WD)

Courtesy of GENERAL MOTORS CORP.

Fig 3: Output Speed Sens Ckt Check, Flow Chart, C, K, G, & P (2WD)

Courtesy of GENERAL MOTORS CORP.