Toyota Tacoma (2015-2018) Service Manual: How To Troubleshoot Ecu Controlled Systems
Introduction
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General Information
GENERAL INFORMATION
A large number of ECU controlled systems are used in the TOYOTA TACOMA.
In general, ECU controlled systems are considered to be very intricate,
requiring a high lev ...
Other materials:
Detecting Vehicle Submersion (B2277)
DESCRIPTION
This DTC is stored when a malfunction in the water submersion detection circuit
in the certification ECU (smart key ECU assembly) is detected.
HINT:
When the cable is disconnected and reconnected to the negative (-) battery terminal,
the power source mode returns to the state it w ...
Open or Short in Master Cylinder Pressure Sensor (C1421,C1423,C1424,C142A,C1449)
DESCRIPTION
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
C1421
Open or Short in Master Cylinder Pressure Sensor
Any of the following is detected:
When voltage at terminal +BS is 9.5 V or ...
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT INSTRUMENT PANEL PASSENGER AIRBAG ASSEMBLY WITHOUT DOOR (for Vehicle
not Involved in Collision)
(a) Perform a diagnostic system check (See page
).
(b) With the instrument panel passenger airbag ...
