3.
Has a problem been found?
YES
a.
Repair as necessary and go to "Verification Vehicle Repair" procedure
NO
a.
Go to "Signal Circuit Inspection" procedure
Many malfunctions in the electrical system are caused by poor harness and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
Has a problem been found?
YES
Repair as necessary and go to "Verification Vehicle Repair" procedure
NO
Go to "Signal Circuit Inspection" procedure
Ignition "ON" & Engine "OFF".
Disconnect the "INPUT SPEED SENSOR" connector
Measure voltage between terminal "1" of the INPUT SPEED SENSOR harness connector and chassis ground .
Specification : approx. 2.5±1.2V
Is voltage within specifications ?
YES
Go to "Ground Circuit Inspection" procedure
NO
Check for open or short in harness. Repair as necessary and Go to "Verification Vehicle Repair" procedure
If signal circuit in harness is OK, Go to "Check PCM/TCM" of the "Component Inspection" procedure.
Ignition "ON" & Engine "OFF".
Disconnect the "INPUT SPEED SENSOR" connector
Measure voltage between terminal "2" of the INPUT SPEED SENSOR harness connector and chassis ground .
Specification : approx. 2.5V
Is voltage within specifications ?
YES
Go to "Component Inspection" procedure
NO
Check for open or short in harness. Repair as necessary and Go to "Verification Vehicle Repair" procedure
If signal circuit in harness is OK, Go to "Check PCM/TCM" of the "Component Inspection" procedure.
