| Last Modified: 08-21-2023 | 6.11:8.1.0 | Doc ID: RM100000001AWIC |
| Model Year Start: 2019 | Model: Avalon HV | Prod Date Range: [04/2018 - 08/2021] |
| Title: PARKING BRAKE: ELECTRIC PARKING BRAKE SYSTEM (for HV Model): TERMINALS OF ECU; 2019 - 2021 MY Avalon HV [04/2018 - 08/2021] | ||
TERMINALS OF ECU
CHECK PARKING BRAKE ECU (BRAKE ACTUATOR ASSEMBLY)
|
*a |
Front view of wire harness connector (to Parking Brake ECU (Brake Actuator Assembly)) |
- |
- |
(a) Disconnect the A39 parking brake 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 |
|---|---|---|---|---|
|
A39-9 (BEPB) - Body ground |
R - Body ground |
Parking brake power supply |
Power switch off |
11 to 14 V |
|
A39-26 (IG) - Body ground |
B - Body ground |
IG power supply |
Power switch on (IG) |
8 to 16 V |
|
A39-2 (EGND) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
|
A39-13 (POL) - Body ground |
L - Body ground |
Electric parking brake switch indicator light |
- |
- |
|
A39-14 (SWI1) - Body ground |
P - Body ground |
Electric parking brake switch (electric parking brake switch assembly) |
- |
- |
|
A39-24 (SWI2) - Body ground |
W - Body ground |
Electric parking brake switch (electric parking brake switch assembly) |
- |
- |
|
A39-20 (SWO1) - Body ground |
SB - Body ground |
Electric parking brake switch (electric parking brake switch assembly) |
- |
- |
|
A39-22 (SWO2) - Body ground |
V - Body ground |
Electric parking brake switch (electric parking brake switch assembly) |
- |
- |
|
A39-4 (MRR+) - Body ground |
LA-Y - Body ground |
Parking brake motor RH (parking brake actuator assembly RH) (+) |
- |
- |
|
A39-3 (MRR-) - Body ground |
LA-L - Body ground |
Parking brake motor RH (parking brake actuator assembly RH) (-) |
- |
- |
|
A39-7 (MRL+) - Body ground |
LA-G - Body ground |
Parking brake motor LH (parking brake actuator assembly LH) (+) |
- |
- |
|
A39-8 (MRL-) - Body ground |
LA-W - Body ground |
Parking brake motor LH (parking brake actuator assembly LH) (-) |
- |
- |
|
A39-27 (SPD) - Body ground |
L - Body ground |
Vehicle speed direct input |
- |
- |
|
A39-12 (CANH) - Body ground |
B - Body ground |
CAN communication line H |
- |
- |
|
A39-11 (CANL) - Body ground |
W - Body ground |
CAN communication line L |
- |
- |
|
|