Hyundai Genesis: Automatic Transmission Control System / Inhibitor Switch Repair procedures

Inspection
   
Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
Power Circuit Inspection
1.
Disconnect the Inhibitor switch connector.
2.
Turn the ignition key ON and the engine OFF.
3.
Measure voltage between supplied power and ground at inhibitor circuit.

Specification : Approx. 12V

Signal Circuit Inspection
1.
Connect the Inhibitor switch connector.
2.
Turn the ignition key ON and the engine OFF.
3.
Measure voltages between each terminal and chassis ground while the shift lever changes from P to R, N and D.

Specification : See below "Signal Code Table"

Signal Code Table
?
P
P-R
R
R-N
N
N-D
D
Signal "1"
12V
12V
0
0
0
0
0
Signal "2"
0
12V
12V
12V
0
0
0
Signal "3"
0
0
0
12V
12V
12V
0
Signal "4"
0
0
0
0
0
12V
12V

Removal
1.
Turn ignition switch OFF and disconnect the negative (-) battery cable.
2.
Disconnect the inhibitor connector (A) and then remove the shift cable by removing the nut (B).

3.
Remove the manual control lever (B) after removing the nut (A).
4.
Remove the inhibitor switch assembly after removing the bolts (C).

Installation
1.
Install the inhibitor switch.When installing, tighten the inhibitor assembly mounting bolts (A) loosely to allow any necessary adjustments to be made.

2.
Install the manual control lever (A).
3.
Tighten the nut (B) to the specified torque.

Tightening torque:
16.7 ~ 25.5 N.m (1.7 ~ 2.6 kgf.m, 12.3 ~ 18.8 lb-ft)

4.
Install the SST(09480-A3800) or 0.1969in.(5mm)bolt after setting manual control lever (A) in the "N".

5.
Tighten the bolts (A) to the specified torque.

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

6.
Remove the SST(09480-A3800) or 0.1969in.( 5mm) bolt.
7.
Install the shift cable and tighten the mounting nut (A).
8.
Connect the inhibitor switch connector (B).

Tightening torque:
12.7 ~ 15.7 N.m (1.3 ~ 1.6 kgf.m, 9.4 ~ 11.6 lb-ft)

   
Adjust the shift cable before tightening the nut.
(Refer to Automatic Transmission Control System - "Shift Cable")

9.
Connect the negative (-) battery cable.
Inhibitor Switch Schematic Diagrams
Circuit Diagram ...

Shift Lever Components and Components Location
Components 1. Shift lever knob2. Shift lever boots3. Shift lever assembly4. Shift cable ...

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