RM38T0EC _54 Brake _112607 PARKING BRAKE _0608079 ELECTRIC PARKING BRAKE SYSTEM(for HEV Model) U

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


CHECK SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)


C380240C63
1.448,0.698 1.885,0.948 0.438,0.25 0.146,0.094 0.458,0.25 0.313,0.156 10 false *a 1.51,0.729 1.969,0.927 0.458,0.198 10 false A151
*a Front view of wire harness connector (to Skid Control ECU (Brake Actuator Assembly)) - -


a.

Disconnect the A151 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) Terminal Description Condition Specified Condition
A151-30 (+BS) - Body ground Parking brake motor power supply Always 11 to 14 V
A151-36 (IGR) - Body ground IG power supply Ignition switch ON 11 to 14 V
A151-46 (GND1) - Body ground Ground 1 minute or more after disconnecting the cable from the negative (-) auxiliary battery terminal Below 1 Ω
A151-14 (GND2) - Body ground Ground 1 minute or more after disconnecting the cable from the negative (-) auxiliary battery terminal Below 1 Ω
A151-2 (MRR+) Parking brake motor RH (parking brake actuator assembly RH) (+) - -
A151-3 (MRR-) Parking brake motor RH (parking brake actuator assembly RH) (-) - -
A151-13 (MRL+) Parking brake motor LH (parking brake actuator assembly LH) (+) - -
A151-12 (MRL-) Parking brake motor LH (parking brake actuator assembly LH) (-) - -
A151-31 (SWI1) Electric parking brake switch (electric parking brake switch assembly) - -
A151-32 (SWO1) Electric parking brake switch (electric parking brake switch assembly) - -
A151-15 (SWI2) Electric parking brake switch (electric parking brake switch assembly) - -
A151-16 (SWO2) Electric parking brake switch (electric parking brake switch assembly) - -
A151-5 (CANH) CAN communication line (H) - -
A151-19 (CANL) CAN communication line (L) - -
A151-11 (CA2H) CAN communication line 2 (H) - -
A151-25 (CA2L) CAN communication line 2 (L) - -