Operation CHARM: Car repair manuals for everyone.

Component Tests and General Diagnostics





KEYLESS CONTROL MODULE INSPECTION [ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM]

1. Remove the front scuff plate. Front Scuff Plate Removal/Installation

2. Remove the front side trim. Front Side Trim Removal/Installation

3. Measure the voltage according to the terminal voltage table.

- If the voltages cannot be verified as indicated in the terminal voltage table, inspect the parts under "Inspection item (s)".

- If the system does not work normally even though the inspection items or related wiring harnesses do not have any malfunction, replace the keyless control module.

Terminal Voltage Table (Reference)





















*1
MTX
*2
ATX

Generated pulse (reference)

Pattern1





- Terminal: 3E (+) -> body ground (-)
- Terminal: 3M (+) -> body ground (-)
- Terminal: 3T (+) -> body ground (-)
- Oscilloscope setting: 2 V/DIV (Y), 1 ms/DIV (X), DC range

Pattern2





- Terminal: 3P (+) -> body ground (-)
- Terminal: 4A (+) -> body ground (-)
- Oscilloscope setting: 2 V/DIV (Y), 1 ms/DIV (X), DC range