Hyundai Accent (HC): IVT Control System / Position Switch

- Specifications

ItemSpecification
Power supply (V)4.5 - 5.5V
Output typePWM (S1, S2), ON/OFF (Ps, Ns)

- Component Location

1. Position switch
2. Manual control lever


- Circuit Diagram

- Inspection

   

• Inspect the connector thoroughly for looseness, poor connection, bending, corrosion, contamination, deformation, or damage.

1.Disconnect the parking switch connector.

2.Turn Ignition "ON", & engine "OFF".

3.Measure the output signal in each range (P, R, N, D).Signal code table

SignalPRND
S118.30%47.50%64.60%81.70%
S281.70%52.50%35.40%18.30%

Connection table
PinConnection information
1Power (Ps,Ns)
2Back-up lamp
3Power (Back-up lamp)
4Ps ,Ns
5Power (5V)
6Ground (5V)
7S1
8S2

- Removal

1.Shift the gear to "N".

2.Remove the air cleaner assembly.(Refer to Engine Mechanical System - "Air Cleaner")

3.Disconnect the position switch connector (A) and loosen the shift cable mounting nut (B).

4.Remove the manual control lever (A) and the washer after removing a nut.

5.Remove the position switch (A) after removing the bolts.

- Installation

1.Check that the gear is shifted to "N".

2.Lightly tighten the bolts after installing the position switch (A).

3.Lightly tighten the nut after installing the manual control lever (A).

4.Align the hole in the manual control lever with the "N" position hole of the position switch and then insert the SST position switch guide pin (09480 - A3800).

5.Tighten the manual control lever nut (A) with specified toque.

Tightening torque :17.7 - 24.5 N.m (1.8 - 2.5 kgf.m, 13.0 - 18.1 lb-ft)

6.Tighten the position switch bolts (A) with specified toque.

Tightening torque :9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)

7.Push nut (A) lightly to "F" direction shown to eliminate free play of shift cable.

8.Tighten the nut (A) with the specified torque.

Tightening torque :9.8 - 14.7 N.m (1.0 - 1.5 kgf.m, 7.2 - 10.8 lb-ft)

9.Remove the SST (09480-A3800) from the adjusment hole.

10.Connect the position switch connector (A).

11.Install the air cleaner assembly.(Refer to Engine Mechanical System - "Air cleaner")

- Troubleshooting

Other information:

Hyundai Accent (HC) (2017 - 2022) Service Manual: Variable Intake Solenoid (VIS) Valve

- Description Variable Intake manifold Solenoid (VIS) valve is installed on the intake manifold. The VIS valve controls the vacuum modulator which activates a valve in the intake manifold. The ECM opens or closes this valve according to engine condition (Refer to below table). Engine conditionVIS valveOperation Medium speedClosedIncreasing engine performance in low engine speed by reducing intake interference among cylinders Low / High speedOpenMinimizing intake resistance by shortening intake manifold length and increasing area of air entrance - Specification ItemSpecification Coil resistance (Ω)30.

Hyundai Accent (HC) (2017 - 2022) Service Manual: Temperature Control Actuator

- Components Location 1. Temperature control actuator - Description The temperature control actuator is located at the heater unit. It regulates the temperature by the procedure as follows. The signal from the control unit adjusts the position of the temperature door by operating the temperature switch. Then the temperature will be regulated by the hot/cold air ratio decided by the position of the temperature door.

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