K 2500 Truck 4WD V8-379 6.2L DSL VIN J FI (1992)
Input Speed Sensor Diagnostic Chart
Test Description:
Number(s) below refer to circled number(s) on the diagnostic chart.
1. This tests the input sensor circuit up to the PCM/TCM.
2. The second test checks the sensor output.
Diagnostic Aids:
Check all connections. See: Powertrain Management/Transmission Control Systems/Testing and Inspection/Symptom Related Diagnostic
