Toyota Tundra (2015 year). Manual — part 235
OK
OK
6.
CHECK SPEED SENSOR TIP
(a) Remove the speed sensor
.
(b) Check the sensor tip.
OK:
No scratches or foreign matter on the sensor tip.
NG
CLEAN OR REPLACE SPEED SENSOR
7.
CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - FRONT SPEED SENSOR)
(a) Confirm that the skid control ECU connector and speed sensor
connector are properly connected.
(b) Disconnect the A17 ECU connector.
(c) Disconnect the b1 and b2 sensor connectors.
(d) Inspect both the connector case and the terminal for deformation and corrosion.
OK:
No deformation or corrosion.
BRAKE CONTROL: VEHICLE STABILITY CONTROL SYSTEM: C...
OK
(e) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
for RH
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
A17-34 (FR+) - b1-2
Always
Below 1 Ω
A17-33 (FR-) - b1-1
A17-34 (FR+) - Body ground
Always
10 kΩ or higher
A17-33 (FR-) - Body ground
for LH:
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
A17-45 (FL+) - b2-2
Always
Below 1 Ω
A17-46 (FL-) - b2-1
A17-45 (FL+) - Body ground
Always
10 kΩ or higher
A17-46 (FL-) - Body ground
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
8.
INSPECT FRONT SPEED SENSOR (INPUT VOLTAGE)
(a) Reconnect the A17 ECU connector.
(b) Disconnect the b1 and b2 sensor connectors.
(c) Turn the ignition switch to ON.
(d) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
TESTER CONNECTION
SWITCH CONDITION
SPECIFIED CONDITION
BRAKE CONTROL: VEHICLE STABILITY CONTROL SYSTEM: C...
OK
A
NEXT
TESTER CONNECTION
SWITCH CONDITION
SPECIFIED CONDITION
b1-2 - Body ground
Ignition switch ON
5.5 to 20 V
b2-2 - Body ground
NG
REPLACE VSC ACTUATOR ASSEMBLY
9.
RECONFIRM DTC
(a) Clear the DTC(s)
.
(b) Start the engine.
.
Result
RESULT
PROCEED TO
DTC is output
A
DTC is not output
B
B
USE SIMULATION METHOD TO CHECK
10.
REPLACE FRONT SPEED SENSOR
(a) Replace the front speed sensor
.
11.
RECONFIRM DTC
BRAKE CONTROL: VEHICLE STABILITY CONTROL SYSTEM: C...
(a) Clear the DTC(s)
.
(b) Start the engine.
.
Result
RESULT
PROCEED TO
DTC is output
A
DTC is not output
B
B
END
A
REPLACE VSC ACTUATOR ASSEMBLY
BRAKE CONTROL: VEHICLE STABILITY CONTROL SYSTEM: C...
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