Signal Circuit Inspection

WARNING: This page is about a different variant/trim than selected.

■ Check for short to ground in signal harness

Measure resistance between signal terminal of CMPS #2 harness connector and chassis ground.
Specification: Infinite

Fig 1: Measuring Resistance Between Signal Terminal Of CMPS #2 Harness Connector And Chassis Ground
Courtesy of HYUNDAI MOTOR AMERICA
Is resistance within the specification?
YES
- Go to next step as below.
NO
- Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

■ Check for short to battery in signal harness

Disconnect PCM connector.
Ignition "ON" & Engine "OFF"
Measure voltage between signal terminal of CMPS #2 harness connector and chassis ground
Specification: Approx. 0V

Fig 2: Measuring Voltage Between Signal Terminal Of CMPS #2 Harness Connector And Chassis Ground
Courtesy of HYUNDAI MOTOR AMERICA
Is voltage within the specification?
YES
- Go to next step as below.
NO
- Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

■ Check for open in signal harness

Ignition "OFF"
Measure resistance between signal terminal of CMPS #2 harness connector and CMPS #2 signal terminal of the PCM connector.
Specification: Approx. 0Ω

Fig 3: Measuring Resistance Between Signal Terminal Of CMPS #2 Harness Connector And CMPS #2 Signal Terminal Of PCM Connector
Courtesy of HYUNDAI MOTOR AMERICA
Is resistance within the specification?
YES
- Go to next step as below.
NO
- Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.