Anti-Lock Brake System Terminals Of Ecu
Brake. Camry. Acv40 Gsv40
TERMINALS OF ECU
TERMINAL INSPECTION
Anti-Lock Brake System -- Terminals Of Ecu |
Symbols (Terminal No.)
| Terminal Description
|
GND2 (1)
| Actuator pump motor ground
|
+BM (2)
| Motor relay power supply
|
+BS (3)
| Solenoid valves power supply
|
GND1 (4)
| Skid control ground
|
FL+ (5)
| Front LH (+) wheel speed signal input
|
FL- (6)
| Front LH (-) wheel speed signal input
|
RL+ (7)
| Rear LH (+) wheel speed signal input
|
RR- (8)
| Rear RH (-) wheel speed signal input
|
FR- (9)
| Front RH (-) wheel speed signal input
|
FR+ (10)
| Front RH (+) wheel speed signal input
|
CANL (15)
| CAN communication line L
|
RL- (17)
| Rear LH (-) wheel speed signal input
|
IG1 (18)
| ECU power supply
|
RR+ (19)
| Rear RH (+) wheel speed signal input
|
STP (20)
| Stop light switch input
|
SP1 (23)
| Speed signal output for speedometer
|
TS (25)
| Sensor check input
|
CANH (26)
| CAN communication line H
|
Disconnect the connector and measure the voltage or resistance on the wire harness side.
- HINT:
- Voltage cannot be measured with the connector connected to the skid control ECU as the connector is watertight.
Symbols (Terminal No.)
| Wiring Color
| Terminal Description
| Condition
| Specified Condition
|
GND2 (1) - Body ground
| W-B - Body ground
| Actuator pump motor ground
| Always
| Below 1 Ω
|
+BM (2) - Body ground
| B - Body ground
| Motor relay power supply
| Always
| 10 to 14 V
|
+BS (3) - Body ground
| L - Body ground
| Solenoid valves power supply
| Always
| 10 to 14 V
|
GND1 (4) - Body ground
| W-B - Body ground
| Skid control ECU ground
| Always
| Below 1 Ω
|
IG1 (18) - Body ground
| P - Body ground
| ECU power supply
| Ignition switch on position
| 10 to 14 V
|
STP (20) - Body ground
| P - Body ground
| Stop light switch input
| Stop light switch ON
(Brake pedal depressed)
| 8 to 14 V
|
STP (20) - Body ground
| P - Body ground
| Stop light switch input
| Stop light switch OFF
(Brake pedal released)
| Below 3 V
|
