TERMINALS OF ECU
CHECK SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)
*a | Front view of wire harness connector (to Skid Control ECU (Brake Actuator Assembly)) |
- | - |
(a) Disconnect the A34 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 |
---|---|---|---|---|
A34-30 (+BS) - Body ground |
G - Body ground | Parking brake motor power supply |
Always | 11 to 14 V |
A34-36 (IG1) - Body ground |
B - Body ground | IG power supply |
Ignition switch ON | 11 to 14 V |
A34-46 (GND1) - Body ground |
W-B - Body ground | Ground |
Always | Below 1 Ω |
A34-14 (GND2) - Body ground |
W-B - Body ground | Ground |
Always | Below 1 Ω |
A34-2 (MRR+) - Body ground |
Y - Body ground | Parking brake motor RH (parking brake actuator assembly RH) (+) |
- | - |
A34-3 (MRR-) - Body ground |
L - Body ground | Parking brake motor RH (parking brake actuator assembly RH) (-) |
- | - |
A34-13 (MRL+) - Body ground |
G - Body ground | Parking brake motor LH (parking brake actuator assembly LH) (+) |
- | - |
A34-12 (MRL-) - Body ground |
W - Body ground | Parking brake motor LH (parking brake actuator assembly LH) (-) |
- | - |
A34-18 (POL) - Body ground |
L - Body ground | Electric parking brake switch indicator light |
- | - |
A34-31 (SWI1) - Body ground |
P - Body ground | Electric parking brake switch |
- | - |
A34-32 (SWO1) - Body ground |
SB - Body ground | Electric parking brake switch |
- | - |
A34-15 (SWI2) - Body ground |
W - Body ground | Electric parking brake switch |
- | - |
A34-16 (SWO2) - Body ground |
V - Body ground | Electric parking brake switch |
- | - |
A34-5 (CANH) - Body ground |
Y - Body ground | CAN communication line H |
- | - |
A34-19 (CANL) - Body ground |
W - Body ground | CAN communication line L |
- | - |