Diagnostic Aids

A poor connection can cause an intermittent Code 39. Using a digital volt-ohmmeter connected to circuit, move related wiring and connectors. An intermittent condition would cause a voltage reading change.

Fig 1: Code 39, "A" Body, Using Tech 1, W/3T40 Transaxle TCC Ckt, Schematic,

Fig 2: Code 39, "N" Body, Using Tech 1, W/3T40 Transaxle TCC Ckt, Schematic

Fig 3: Code 39, Flow Chart, W/3T40 Transaxle, TCC Ckt

Fig 4: Code 39 Flow Chart