Power Management Control EcuBack Door Entry Lock and Unlock Functions do not Operate
DESCRIPTION
When the back door entry lock and unlock functions do not operate, one of the
following may be malfunctioning: 1) power door lock control system; 2) outside electrical
key oscillator (for rear side); 3) certification ECU (smart key ECU assembl ...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use these procedure to troubleshoot the seat belt warning system.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
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Power Source Circuit
DESCRIPTION
This circuit supplies power source voltage from the battery to terminal B of
the steering lock ECU (steering lock actuator assembly). This is used as power source
for the CPU, motor, communication, and peripheral circuits.
WIRING DIAGRAM
P ...