Toyota Tacoma (2015-2018) Service Manual: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Smart Key System|
DTC Code |
Detection Item |
See page |
|---|---|---|
|
B27A1 |
Open in Driver Side Electrical Antenna Circuit |
|
|
B27A5 |
Open in Front Floor Electrical Key Oscillator Circuit |
|
|
B27A6 |
Open in Rear Floor Electrical Key Oscillator Circuit |
|
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Terminals Of Ecu
TERMINALS OF ECU
1. CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
(a) Disconnect the C27 and C29 certification ECU (smart key ECU assembly) connectors.
(b) Measure the voltage and resistance a ...
Dtc Check / Clear
DTC CHECK / CLEAR
1. CHECK FOR DTC
HINT:
When using the Techstream with the engine switch off, connect the Techstream
to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 s ...
Other materials:
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND DRIVER SIDE JUNCTION
BLOCK
(a) Disconnect the main body ECU (multiplex network body ECU) connectors.
Text in Illustration
*1
Main Body ECU (Multiplex Network Body ECU)
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...
Test Mode Procedure
TEST MODE PROCEDURE
1. WARNING LIGHT AND INDICATOR LIGHT INITIAL CHECK
(a) When the ignition switch is turned ON, check that the ABS warning, brake
warning, and slip indicator lights come on for approximately 3 seconds.
HINT:
When the brake fluid level is low, the brake warning light c ...
Main Body ECU Vehicle Information Reading/Writing Process Malfunction (B15F6)
DESCRIPTION
This DTC is stored when items controlled by the main body ECU (multiplex network
body ECU) cannot be customized via the audio and visual system vehicle customization
screen.
HINT:
The main body ECU (multiplex network body ECU) controls the items for the following
systems th ...
