Tacoma

Toyota Tacoma 2015-2018 CAN Workshop Manual

Last Modified: 11-13-2015 6.6 U Doc ID: RM000004P7600OX
Model Year Start: 2016 Model: Tacoma Prod Date Range: [08/2015 - ]
Title: CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: FAIL-SAFE CHART; 2016 MY Tacoma [08/2015 -
]
FAIL-SAFE CHART
1. FAIL-SAFE FUNCTION
(a) When communication fails in any of the CAN bus lines (communication lines), a fail-safe function(s) will
operate. The fail-safe function that is specified for each system operates to prevent those systems from
malfunctioning.
(b) The following table shows the effects on each system when communication is impossible. (For further
details, see the pages for each system.)
FUNCTION BEHAVIOR DURING CAN FAILURE
1. CONTROL
MASTER
2. SYSTEM
RELATED
VEHICLE BEHAVIOR DTC
(DRIVER DETECTABLE)
DIAGNOSTIC
TROUBLE
CODE
VDM Control
(Calculates torque level
desired by driver based
on accelerator pedal
operation and controls
torque according to this
and other conditions in
order to achieve
smoother driving
performance and
improved stability,
startability,
reacceleration, and
acceleration feel.)
1. ECM
2. Brake
booster
assembly (skid
control ECU),
Brake actuator
assembly (skid
control ECU),
Airbag sensor
assembly,
Spiral cable
with sensor
sub-assembly
Does not calculate
desired torque based on
accelerator pedal
operation, and does not
provide smoother driving
performance or
improved stability,
startability,
reacceleration, or
acceleration feel.
Nothing
(Does not calculate
desired torque based on
accelerator pedal
operation, and does not
provide smoother driving
performance or improved
stability, startability,
reacceleration, or
acceleration feel.)
Nothing
ECT indicator in meter
(Shift position, switch,
mode, etc.)
1. ECM
2. Combination
meter
assembly
Indicators do not turn
on.
Nothing
(Indicators do not turn
on.)
Nothing
AI-SHIFT control
(Control the A/T in order
to improve engine
braking power and
acceleration feeling.)
1. ECM
2. Brake
booster
assembly (skid
control ECU),
Brake actuator
assembly (skid
control ECU)
AI-SHIFT control does
not operate.
Nothing
(AI-SHIFT control does
not operate.)
Nothing
Cruise control
(Adjusts the engine
throttle valve opening
1. ECM
2. Brake
booster
Cruise control does not
operate.
Nothing
(Indicator light blinks.)
Nothing
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