Toyota Tundra (2015 year). Manual — part 255
OK
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
3.
CHECK HARNESS AND CONNECTOR (4 WHEEL DRIVE CONTROL ECU - BODY GROUND)
(a) Confirm that the 4 wheel drive control ECU connector and A.D.D. actuator connectors are properly
connected.
(b) Disconnect the A25 ECU connector.
(c) Inspect the connector case and the terminal for deformation and corrosion.
OK:
No deformation or corrosion.
(d) Connect the A25 ECU connector.
(e) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
TESTER CONNECTION
SWITCH CONDITION
SPECIFIED CONDITION
A25-18 (ADD) - Body ground
4WD
(A.D.D. detection switch ON)
Below 1 Ω
2WD
(A.D.D. detection switch OFF)
10 kΩ or higher
BRAKE CONTROL: VEHICLE STABILITY CONTROL SYSTEM: C...
OK
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
4.
RECONFIRM DTC
(a) Clear the DTC(s)
.
(b) Start the engine.
(c) Check if the same DTC(s) is output
.
Result
RESULT
PROCEED TO
DTC is output
A
DTC is not output
B
B
USE SIMULATION METHOD TO CHECK
A
REPLACE 4 WHEEL DRIVE CONTROL ECU
BRAKE CONTROL: VEHICLE STABILITY CONTROL SYSTEM: C...
Last Modified: 9-16-2014
6.6 C
Doc ID: RM000001P4B00SX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: BRAKE CONTROL: VEHICLE STABILITY CONTROL SYSTEM: C1360/61,C1281/81; Malfunction in
Comparative Master Cylinder Pressure Sensor; 2015 MY Tundra [08/2014 - ]
DTC
C1360/61 Malfunction in Comparative Master Cylinder Pressure Sensor
DTC
C1281/81 Master Cylinder Pressure Sensor Output Malfunction (Test Mode DTC)
DESCRIPTION
The master cylinder pressure sensor is built into the VSC actuator.
DTC
CODE
DTC DETECTION CONDITION
TROUBLE AREA
C1360/61
sensor initial check.
1.
When zero point calibration value is out of
range.
3.
Master cylinder pressure
sensor
Master cylinder pressure
sensor circuit
C1281/81 Detected only during test mode.
Master cylinder pressure
sensor
Master cylinder pressure
sensor circuit
Stop light switch circuit
Skid control ECU
Brake booster assembly
INSPECTION PROCEDURE
NOTICE:
When replacing the VSC actuator assembly, perform the zero point calibration
.
PROCEDURE
1.
CHECK BRAKE PEDAL
(a) Check if the brake pedal is spongy.
OK:
The brake pedal is normal.
NG
BLEED AIR
BRAKE CONTROL: VEHICLE STABILITY CONTROL SYSTEM: C...
OK
A
OK
2.
PERFORM TEST MODE PROCEDURE (MASTER CYLINDER PRESSURE SENSOR)
(a) Perform the test mode procedure
.
(b) Check if the test mode procedure (master cylinder pressure sensor) is finished successfully.
Result
RESULT
PROCEED TO
The test mode procedure (master cylinder pressure sensor) is not finished successfully
A
The test mode procedure (master cylinder pressure sensor) is finished successfully
B
B
REPLACE VSC ACTUATOR ASSEMBLY
3.
INSPECT BRAKE BOOSTER ASSEMBLY
(a) Inspect the brake booster
.
NG
REPLACE BRAKE BOOSTER ASSEMBLY
4.
RECONFIRM DTC
(a) Clear the DTC
.
(b) Turn the ignition switch off.
(c) Turn the ignition switch to ON, and check if the same DTC is stored in the memory
.
Result:
RESULT
PROCEED TO
BRAKE CONTROL: VEHICLE STABILITY CONTROL SYSTEM: C...
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