SYSTEM DIAGRAM
Power Door Lock Control System
Communication Table
Sender |
Receiver |
Signal |
Line |
---|---|---|---|
Multiplex Network Master Switch Assembly |
Main Body ECU (Multiplex Network Body ECU) |
Door control switch signal |
LIN |
Certification ECU (Smart Key ECU Assembly)*1 |
Main Body ECU (Multiplex Network Body ECU) |
Back door opener switch signal |
CAN |
Airbag ECU assembly*2 |
Main Body ECU (Multiplex Network Body ECU) |
Front seat inner belt assembly LH buckle switch |
CAN |
Double Locking System (w/o Toyota Safety Sense P)
Communication Table
Sender |
Receiver |
Signal |
Line |
---|---|---|---|
Double Lock Door Control Relay Assembly |
Main Body ECU (Multiplex Network Body ECU) |
Double lock position switch signal |
LIN |
Main Body ECU (Multiplex Network Body ECU) |
Double Lock Door Control Relay Assembly |
Double lock set/unset request Signal |
LIN |
Toyota CH-R Service Manual > Immobiliser System(w/ Smart Key System): Short to GND in Immobiliser System Power Source Circuit (B278A)
DESCRIPTION
When there is a short to GND in the power supply for the transponder key amplifier
of the engine switch, the certification ECU (smart key ECU assembly) stores this
DTC.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
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Toyota CH-R Service Manual > Rear Door Lock: Inspection
INSPECTION
PROCEDURE
1. INSPECT REAR DOOR LOCK WITH MOTOR ASSEMBLY LH
(a) Check the operation of the door lock motor.
(1) Apply battery voltage and check the operation of the door lock motor.
OK:
Battery Connection
Result
...