Toyota Corolla Cross: Terminals Of Ecu
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 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 |
10.5 to 16 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+) - Body ground |
Parking brake motor RH (parking brake actuator assembly RH) (+) |
- |
- |
|
A151-3 (MRR-) - Body ground |
Parking brake motor RH (parking brake actuator assembly RH) (-) |
- |
- |
|
A151-13 (MRL+) - Body ground |
Parking brake motor LH (parking brake actuator assembly LH) (+) |
- |
- |
|
A151-12 (MRL-) - Body ground |
Parking brake motor LH (parking brake actuator assembly LH) (-) |
- |
- |
|
A151-18 (POL) - Body ground |
Electric parking brake switch indicator light |
- |
- |
|
A151-31 (SWI1) - Body ground |
Electric parking brake switch (electric parking brake switch assembly) |
- |
- |
|
A151-32 (SWO1) - Body ground |
Electric parking brake switch (electric parking brake switch assembly) |
- |
- |
|
A151-15 (SWI2) - Body ground |
Electric parking brake switch (electric parking brake switch assembly) |
- |
- |
|
A151-16 (SWO2) - Body ground |
Electric parking brake switch (electric parking brake switch assembly) |
- |
- |
|
A151-5 (CANH) - Body ground |
CAN communication line H |
- |
- |
|
A151-19 (CANL) - Body ground |
CAN communication line L |
- |
- |
|
A151-11 (CA2H) |
CAN communication line 2 (H) |
- |
- |
|
A151-25 (CA2L) |
CAN communication line 2 (L) |
- |
- |
READ NEXT:
Freeze Frame Data
FREEZE FRAME DATA
FREEZE FRAME DATA
HINT:
When a DTC is stored, the freeze frame data stores the current vehicle
(sensor) state.
The freeze frame data cannot be cleared or updated until t
Fail-safe Chart
FAIL-SAFE CHART
DTC
Trouble Area
Parking Brake Indicator Light (Red)
Brake System Warning Light (Yellow Indicator)
Fail-safe Deactivation Condit
Data List / Active Test
DATA LIST / ACTIVE TEST
READ DATA LIST
NOTICE:
In the table below, the values listed under "Normal Condition" are
reference values. Do not depend solely on these reference values when d
SEE MORE:
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE Hybrid Control System
Symptom Suspected Area
Link Cannot enter EV mode
CAN Communication System
Pattern Select Switch EV Mode Circuit
EV mode switch (electric parking brake switch assembly)
Comb
Installation
INSTALLATION CAUTION / NOTICE / HINT COMPONENTS (INSTALLATION)
Procedure Part Name Code
1 AIR CONDITIONER PRESSURE SENSOR
88719A
- -
2 WASHER INLET SUB-ASSEMBLY
85301 -
- -
3 CHARGE AIR CONDITIONING SYS
