Signal Circuit Inspection

Check signal circuit voltage
1. IG key OFF.
2. Disconnect 'CRUISE REMOCON SWITCH' connector.
3. IG key ON.
4. Measure voltage between 'Signal (Cruise sw)' terminal of 'CRUISE REMOCON SWITCH' harness connector and chassis ground.
  Specification : 4.8V~5.1V
  
  Fig 1: Measuring Voltage Between 'Signal (Cruise Sw)' Terminal Of 'Cruise Remocon Switch' Harness Connector & Chassis Ground
  Courtesy of KIA MOTORS AMERICA, INC.
5. Is the measured value within specification?
  YES
  - Go to COMPONENT INSPECTION procedure.
  NO
  - Go to Check short in signal circuit as follows.
Check short in signal circuit
1. IG key OFF.
2. Disconnect 'CRUISE REMOCON SWITCH' connector and ECM connector.
3. Check resistance between 'Signal (Cruise sw)' terminal and 'CRUISE MAIN' terminal of 'CRUISE REMOCON SWITCH' harness connector.
4. Check resistance between 'Signal (Cruise sw)' terminal and 'Ground (Cruise sw)' terminal of 'CRUISE REMOCON SWITCH' harness connector.
  Specification : Infinite
  
  Fig 2: Checking Resistance Between 'Signal (Cruise Sw)' Terminal & 'Ground (Cruise Sw)' Terminal Of 'Cruise Remocon Switch' Harness Connector
  Courtesy of KIA MOTORS AMERICA, INC.
5. Is the measured value within specification?
  YES
  - Go to Check open in signal circuit as follows.
  NO
  - Repair short in signal circuit, and go to VERIFICATION OF VEHICLE REPAIR procedure.
Check open in signal circuit
1. IG key OFF.
2. Disconnect 'CRUISE REMOCON SWITCH' connector and ECM connector.
3. Measure resistance between 'Signal (Cruise sw)' terminal of 'CRUISE REMOCON SWITCH' harness connector and 'Signal (Cruise sw)' terminal of ECM connector.
  Specification : Below 1.0Ω
  
  Fig 3: Measuring Resistance Between 'Signal (Cruise Sw)' Terminal Of 'Cruise Remocon Switch' Harness Connector & 'Signal (Cruise Sw)' Terminal Of ECM Connector
  Courtesy of KIA MOTORS AMERICA, INC.
4. Is the measured value within specification?
  YES
  - Go to COMPONENT INSPECTION procedure.
  NO
  - Repair open between 'Signal (Cruise sw)' terminal of 'CRUISE REMOCON SWITCH' harness connector and 'Signal (Cruise sw)' terminal of ECM connector, and go to VERIFICATION OF VEHICLE REPAIR procedure.