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:
Inspection
INSPECTION PROCEDURE 1. INSPECT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (for LH Side)
(a) Check the resistance.
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection Condition
Specified Condition
N3-5 (UP) -
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
NOTICE:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the su
