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:
Dtc Check / Clear
DTC CHECK / CLEAR
1. CHECK DTC (CHECK USING TECHSTREAM)
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Navigation System / Trouble
Codes.
(e) Check for DTCs, and then write them down.
( ...
Sound Quality is Bad Only when CD is Played (Volume is Too Low)
PROCEDURE
1.
REPLACE CD AND RECHECK
(a) Replace the CD with a known good one and recheck.
(1) Check if the same malfunction occurs again.
OK:
Malfunction disappears.
OK
END
NG
REPLACE NAVIGATION RECEIVER ASSEMBLY ...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are listed in order of probability in the "Suspected Area" column of the
table. Check each sy ...