Toyota Tacoma 2015-2018 Service Manual: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Main Body ECU (Multiplex Network Body ECU)|
DTC Code |
Detection Item |
See page |
|---|---|---|
|
B1206 |
P/W Master Switch Communication Stop |
|
|
B1273 |
Sliding Roof ECU Communication Stop |
|
|
B2321 |
Driver Side Door ECU Communication Stop |
|
|
B2322 |
Front Passenger Side Door ECU Communication Stop |
|
|
B2325 |
LIN Communication Bus Malfunction |
|
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|
DTC Code |
Detection Item |
See page |
|---|---|---|
|
B2785 |
Communication Malfunction between ECUs Connected by LIN |
|
|
B2786 |
No Response from Steering Lock ECU |
|
|
B278C |
Lost Communication with Power Source Control |
|
No Response from Steering Lock ECU (B2786)
DESCRIPTION
This DTC is stored when LIN communication between the certification ECU (smart
key ECU assembly) and steering lock ECU (steering lock actuator or upper bracket
assembly) stops for 10 ...
Sliding Roof ECU Communication Stop (B1273)
DESCRIPTION
This DTC is stored when LIN communication between the sliding roof ECU (sliding
roof drive gear sub-assembly) and main body ECU (multiplex network body ECU) stops
for 10 seconds or mo ...
Other materials:
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. CONNECT TECHSTREAM
(a) Warm up the engine.
(b) Turn the ignition switch to off.
(c) Connect the Techstream to the DLC3.
(d) Turn the ignition switch to ON.
(e) Turn the Techstream on.
(f) Enter the following menus: Chassis / ABS/VSC/TRAC / Active Test.
2. ...
ECM Communication Circuit Malfunction (C1203)
DESCRIPTION
The circuit is used to send TRAC and VSC control information from the skid control
ECU (brake actuator assembly) to the ECM, and engine control information from the
ECM to the skid control ECU (brake actuator assembly) through the CAN communication
system.
for 4WD or w/ Rear Diff ...
Inspection
INSPECTION
PROCEDURE
1. INSPECT TIE ROD END SUB-ASSEMBLY
(a) Flip the ball joint stud back and forth 5 times as shown in the illustration
before installing the nut.
(b) Using a torque wrench, turn the nut continuously at a rate of 2 to 4 seconds
per turn and check the torque reading on the ...
