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Home >> Cadillac >> 1992 >> Allante V8-273 4.5L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Vehicle Speed Sensor >> Testing and Inspection >> Component Tests and General Diagnostics >> Test A PCM Output Test (Table 1)
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Test A PCM Output Test (Table 1)

Test A - Table 1:







Refer to table.

If voltages are correct, the PCM vehicle speed output to the IPC is OK. Replace the Instrument Panel Cluster (IPC) if the speedometer does not operate.
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