1. DTC B1E1C[49] description
The wireless access module switches the power mode to OFF, ACC, ON, or START according to the conditions when operating the engine start/stop button. The wireless access module controls the accessory voltage, ignition voltage 1, ignition voltage 2, and starter drive voltage by controlling the relay according to each power mode. If the wireless access module detects a malfunction in the IG2 relay control circuit, the DTC is set.
2. Condition for setting DTC B1E1C[49]
Any of the following are met:
- The wireless access module detects an overcurrent condition in the IG2 relay control circuit when the IG2 relay is commanded ON.
- The wireless access module detects an open circuit or short to the power supply in the IG2 relay control circuit when the IG2 relay is commanded OFF.
3. Action taken when DTC B1E1C[49] sets
When the engine start/stop button is pressed:
- The key monitor warning light illuminates for 10 seconds.
- POWER MANAGEMENT SYSTEM ERROR will be displayed on the multi-information display for 10 seconds.
- The buzzer built into the instrument panel cluster will sound 3 times.
When the power mode is ON:
- The key monitor warning light illuminates.