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 |
11 to 14 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) (-) |
- |
- |
|
A151-31 (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:
Precaution
PRECAUTION DO NOT HANDLE REFRIGERANT IN AN ENCLOSED AREA OR NEAR AN OPEN FLAME
*a Charging Cylinder
ALWAYS WEAR EYE PROTECTION BE CAREFUL NOT TO GET LIQUID REFRIGERANT IN YOUR EYES OR ON YOUR SKIN
If liquid refrigerant gets in your eyes or on your skin.
(a) Wash the area with
Diagnosis System
DIAGNOSIS SYSTEM
OBD II
When troubleshooting OBD II (On-Board Diagnostics) vehicles, the GTS (complying
with SAE J1978) must be connected to the DLC3 (Data Link Connector 3) of the vehicle.
Various data in the vehicle's TCM (Transmission Control Module) can be then read.
OBD II regulati
