Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
POWER DISTRIBUTION SYSTEM : System Description
SYSTEM DIAGRAM
SYSTEM DESCRIPTION
- PDS (POWER DISTRIBUTION SYSTEM) is the system that BCM controls with the operation of power switch and performs the power distribution to each power circuit. This system is used instead of the mechanical power supply changing mechanism with the operation of the conventional key cylinder.
- Power switch (push switch) can be operated when Intelligent Key is in the following condition.
- Intelligent Key is in the detection area of the interior antenna.
- Intelligent Key backside is contacted to power switch.
- Power switch (push switch) operation is input to BCM as a signal. BCM changes the power switch position according to the status and operates the following relays to supply power to each power circuit.
- Ignition relay (IPDM E/R)
- Ignition relay (fuse block)
- ACC relay
- The power switch position can be confirmed with the lighting of ACC/ON indicator in power switch (push switch).
BATTERY SAVER SYSTEM
When all the following conditions are met for 60 minutes, the battery saver system will cut off the power supply to prevent 12V battery discharge.
- Power switch is in the ACC position
- All doors are closed
- Shift position is in the P position
Reset Condition of Battery Saver System
In order to prevent the 12V battery from discharging, the battery saver system will cut off the power supply when all doors are closed, the shift position is on P position and power switch is left on ACC position for 60 minutes. If any of the following conditions are met the battery saver system is released and the steering will change automatically to lock position from OFF position.
- Opening any door
- Operating with request switch on door lock
- Operating with Intelligent Key on door lock
Press power switch (push switch), and power switch will change to ACC position from OFF position.
READY SET CONDITION TABLE BY POWER SWITCH OPERATION
Refer to "INTELLIGENT KEY SYSTEM/READY SET FUNCTION : SYSTEM DESCRIPTION ".
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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