On-Board Diagnostic [Advanced Keyless Entry System And Push Button Start System]: Foreword: Notes

The OBD (on-board diagnostic) system has the following functions:
- Malfunction detection function: Detects malfunctions in the ADVANCED KEYLESS ENTRY SYSTEM AND PUSH BUTTON START SYSTEM and outputs DTCs.
- PID/data monitor function: Reads out specific input/output signals and the system status.
Diagnostic DTCs can be read/cleared using the M-MDS.
If there is any vehicle malfunction complaint lodged by a customer, perform malfunction diagnosis according to the troubleshooting procedure.