Control Circuit Inspection

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

■ Check for Open in Harness

Ignition "OFF"
Disconnect Driver Direction actuator and A/C control unit main harness connector.
Measure resistance between DEF terminal of Driver Direction actuator harness connector and DEF terminal of A/C-ECU harness connector.
Measure resistance between VENT terminal of Driver Direction actuator harness connector and VENT terminal of A/C-ECU harness connector.
Specification: below Ω

Fig 1: Measuring Resistance Between Vent Terminals Of Driver Direction Actuator And A/C-ECU Harness Connectors
Courtesy of HYUNDAI MOTOR AMERICA
Is the measured resistance within specification?
YES
- Go to "check Short To Ground In Harness " as follows.
NO
- Check for open in harness.
- Repair as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.

■ Check Short to Ground in Harness

Ignition "OFF"
Disconnect Driver Direction actuator and A/C control unit main harness connector.
Measure resistance between DEF terminal of Driver Direction actuator harness connector and chassis ground.
Measure resistance between VENT terminal of Driver Direction actuator harness connector and chassis ground.
Specification : Infinity

Fig 2: Measuring Resistance Between DEF Terminal Of Driver Direction Actuator Harness Connector And Chassis Ground
Courtesy of HYUNDAI MOTOR AMERICA
Is the measured resistance within specification?
YES
- Go to "COMPONENT INSPECTION " procedure.
NO
- Check for short to ground in control harness.
- Repair as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.