4.
Measure voltage between terminal 3 of the sensor harness connector and chassis ground
1)
Specification : Approx. 5V
Check for open or short circuit in harness. Refer to "Signal Waveform & Data" in the "General Information" procedure
Ignition "OFF"
Disconnect TPS connector
Ignition "ON" & Engine "OFF"
Measure voltage between terminal 3 of the sensor harness connector and chassis ground
Specification : Approx. 5V
Is voltage within the specification?
YES
Go to next step as below
NO
Possibility of open or short to ground in 5V reference circuit. Repair as necessary and go to "Verification of Vehicle Repair" procedure
Check for open or short circuit in harness. Refer to "Signal Waveform & Data" in the "General Information" procedure
Measure voltage between terminal 1 of the sensor harness connector and chassis ground
Specification : Approx. 5V
Is voltage within the specification?
YES
Go to next step as below
NO
Check the short to ground in signal circuit.
Repair as necessary and go to "Verification of Vehicle Repair" procedure
Many malfunctions in the electrical system are caused by poor harness(es) 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 of Vehicle Repair" procedure
NO
Go to next step as below
