Power Circuit Inspection

Check Voltage
1. Ignition "OFF"
2. Disconnect Power steering pressure switch connector.
3. Ignition "ON" & Engine "OFF"
4. Measure voltage between terminal 1 of Power steering pressure switch harness connector and chassis ground.
  Specification: Approx. B+
  
  Fig 1: Measuring Voltage Between Terminal 1 Of Power Steering Pressure Switch Harness Connector And Chassis Ground
  Courtesy of KIA MOTORS AMERICA, INC.
5. Is the measured voltage within specifications?
  Yes
  - Go to "COMPONENT INSPECTION " procedure.
  NO
  - Go to "Check for short to ground in harness" as below.
Check for short to ground in harness
1. Ignition "OFF"
2. Disconnect Power steering pressure switch & PCM connector.
3. Measure resistance between terminal 1 of Power steering pressure switch harness connector and chassis ground.
  Specification: Infinite
  
  Fig 2: Measuring Resistance Between Terminal 1 Of Power Steering Pressure Switch Harness Connector And Chassis Ground
  Courtesy of KIA MOTORS AMERICA, INC.
4. Is the measured resistance within specifications?
  Yes
  - Go to "Check for open in harness" as below.
  NO
  - Check for short to ground in harness.
  - Repair or replace as necessary and then, go to "VERIFICATION OF VEHICLE REPAIR " procedure.
Check for open in harness
1. Ignition "OFF"
2. Disconnect Power steering pressure switch connector.
3. Measure resistance between terminal "1" of Power steering pressure switch harness connector and terminal "B12" of PCM harness connector.
  Specification: Approx. below 1Ω
  
  Fig 3: Measuring Resistance Between Terminal "1" Of Power Steering Pressure Switch Harness Connector
  Courtesy of KIA MOTORS AMERICA, INC.
4. Is the measured resistance within specifications?
  Yes
  - Go to "COMPONENT INSPECTION " procedure.
  NO
  - Check for open in harness.
  - Repair or replace as necessary and then, go to "VERIFICATION OF VEHICLE REPAIR " procedure.