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ELECTRICAL
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16.1 PEPS ECU
The PEPS ECU is the central control unit of the
PEPS system that contains the electronics
necessary
to
facilitate
generation
and
transmission of LF challenges and receive RF
response signal coming from Smart Key, CAN-
bus communications, Immobilizer function and
clamp
(ACC,IGN,CRANK
output)
control
functionality.
PEPS ECU has the following main tasks:
1. Provide the LF communication link to
communicate from the vehicle to Smart Key
(Communication via LF antennas).
2. Read the Start Stop Switch to initiate the
passive Start and stop process,
3. Interpret the lock and unlock signal from door
handle switches to start the Passive Entry and
Exit process.
4. The other tasks of the PEPS ECU can include
the RF receiver function, the communication
with the BCM and the other ECUs of the
vehicle and diagnostics functions.
REMOVAL
1. Disconnect the battery.
2. Remove Rear quarter trim
(Refer rear quarter
trim removal for the procedure in body
Section)
.
3. Disconnect the electrical connection to the
ECU.
4. Remove the four mounting screw and take out
the ECU unit.
REFITMENT
Follow the removal process in reverse.