CHECK SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)
| *a | Front view of wire harness connector
(to Skid Control ECU (Brake Actuator Assembly)) |
- | - |
Disconnect the A40 skid control ECU (brake actuator assembly) connectors.
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) | - | - |