Ground Circuit inspection

Ignition "OFF"
Disconnect TPS connector.
Ignition "ON" & Engine "OFF".
Measure voltage between terminal 1 of the sensor harness connector and chassis ground.
1. Specification: Approx. 0V
  
  Fig 1: Measuring Voltage Between Terminal 1 Of Sensor Harness Connector And Chassis Ground
Is voltage within the specification?
YES
1. Go to step "SIGNAL CIRCUIT INSPECTION " procedure.
NO
1. Check the ground circuit for an open.
2. Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.