Tacoma

Toyota Tacoma 2015-2018 Brake Workshop Manual

A
(a) Using the Techstream, check for any momentary interruption in the wire harness and connector
corresponding to a DTC .
ABS/VSC/TRAC
TESTER DISPLAY MEASUREMENT ITEM RANGE NORMAL
CONDITION
DIAGNOSTIC NOTE
EFI Communication
Open
ECM communication open
detection
Normal or
Error
Normal
Error: Momentary
interruption
Yaw Rate Open
Yaw rate sensor open
detection
Normal or
Error
Normal
Error: Momentary
interruption
Deceleration Open
Acceleration sensor open
detection
Error or
Normal
Normal
Error: Momentary
interruption
Steering Open
Steering angle sensor open
detection
Normal or
Error
Normal
Error: Momentary
interruption
HINT:
P
erform the above inspection before removing the sensor and connector.
Result
RESULT PROCEED TO
There is a constant open circuit A
There are no momentary interruptions B
There are momentary interruptions C
B
GO TO STEP 3
C
GO TO STEP 4
2. CHECK IF EACH SENSOR AND ECM CONNECTOR IS SECURELY CONNECTED
(a) Turn the ignition switch off.
(b) Check if each sensor, 4 wheel drive control ECU* or ECM connector is securely connected.
*: for 4WD or w/ Rear Differential Lock
OK:
Each connector is securely connected.
NG
CONNECT CONNECTOR TO EACH SENSOR OR ECM
CORRECTLY
cardiagn.com

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