RM38N0EC _54 Brake _111818 PARKING BRAKE _0501134 ELECTRIC PARKING BRAKE SYSTEM(for Gasoline Model) U

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


CHECK SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)


C427376C10
0.667,1.25 1.083,1.5 0.417,0.25 0.771,1.313 1.229,1.51 0.458,0.198 10 false A40 0.188,0.135 0.5,0.333 0.313,0.198 10 false *a
*a Front view of wire harness connector
(to Skid Control ECU (Brake Actuator Assembly))
- -


a.

Disconnect the A40 skid control ECU (brake actuator assembly) connectors.


b.

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

Terminal No. (Symbol) Terminal Description Condition Specified Condition
A40-30 (+BS) - Body ground Parking brake motor (parking brake actuator assembly) power supply Always 11 to 14 V
A40-36 (IGR) - Body ground IG power supply Ignition switch ON 11 to 14 V
A40-46 (GND1) - Body ground Ground Always Below 1 Ω
A40-2 (MRR+) Parking brake motor RH (parking brake actuator assembly RH) (+) - -
A40-3 (MRR-) Parking brake motor RH (parking brake actuator assembly RH) (-) - -
A40-13 (MRL+) Parking brake motor LH (parking brake actuator assembly LH) (+) - -
A40-12 (MRL-) Parking brake motor LH (parking brake actuator assembly LH) (-) - -
A40-18 (POL) Electric parking brake switch indicator light - -
A40-31 (SWI1) Electric parking brake switch (electric parking brake switch assembly) - -
A40-32 (SWO1) Electric parking brake switch (electric parking brake switch assembly) - -
A40-15 (SWI2) Electric parking brake switch (electric parking brake switch assembly) - -
A40-16 (SWO2) Electric parking brake switch (electric parking brake switch assembly) - -
A40-5 (CANH) CAN communication line (H) - -
A40-19 (CANL) CAN communication line (L) - -
A40-11 (CA2H) CAN communication line 2 (H) - -
A40-25 (CA2L) CAN communication line 2 (L) - -