RM3660EC _54 Brake _080740 PARKING BRAKE _0394663 ELECTRIC PARKING BRAKE SYSTEM(for HV Model) U

PARKING BRAKE  ELECTRIC PARKING BRAKE SYSTEM(for HV Model)  TERMINALS OF ECU  


CHECK SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)


C380240C67
1.813,0.729 2.26,0.99 0.448,0.26 0.135,0.104 0.448,0.323 0.313,0.219 10 false *a 1.865,0.771 2.323,0.969 0.458,0.198 10 false A144
*a Front view of wire harness connector (to Skid Control ECU (Brake Actuator Assembly)) - -


a.

Disconnect the A144 skid control ECU (brake actuator assembly) connector.


b.

Measure the voltage and resistance according to the value (s) in the table below.

Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition

*1: TFTM Made

*2: 8ZR-FXE (w/ GTMC Made)

*3: M20F-FKS

A144-30 (+BS) - Body ground W - Body ground*1
B - Body ground*2,*3
Parking brake motor power supply Always 11 to 14 V
A144-36 (IGR) - Body ground R - Body ground*1
P - Body ground*2
BR - Body ground*3
IG power supply Power switch on (IG) 11 to 14 V
A144-46 (GND1) - Body ground W-B - Body ground Ground Always Below 1 Ω
A144-14 (GND2) - Body ground W-B - Body ground Ground Always Below 1 Ω
A144-2 (MRR+) - Body ground B - Body ground*1,*3
R - Body ground*2
Parking brake motor RH (parking brake actuator assembly RH) (+) - -
A144-3 (MRR-) - Body ground G - Body ground*1,*3
B - Body ground*2
Parking brake motor RH (parking brake actuator assembly RH) (-) - -
A144-13 (MRL+) - Body ground R - Body ground*1,*3
L - Body ground*2
Parking brake motor LH (parking brake actuator assembly LH) (+) - -
A144-12 (MRL-) - Body ground L - Body ground*1,*3
B - Body ground*2
Parking brake motor LH (parking brake actuator assembly LH) (-) - -
A144-31 (SWI1) - Body ground B - Body ground*1,*3
V - Body ground*2
Electric parking brake switch assembly - -
A144-32 (SWO1) - Body ground W - Body ground*1,*3
P - Body ground*2
Electric parking brake switch assembly - -
A144-15 (SWI2) - Body ground G - Body ground*1,*3
L - Body ground*2
Electric parking brake switch assembly - -
A144-16 (SWO2) - Body ground V - Body ground*1
B - Body ground*2
L - Body ground*3
Electric parking brake switch assembly - -
A144-5 (CANH) - Body ground B - Body ground*1
R - Body ground*2,*3
CAN communication line H - -
A144-19 (CANL) - Body ground W - Body ground CAN communication line L - -