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:
Lost Communication with Alternator Missing Message (P161A87)
DESCRIPTION
The ECM communicates with the generator assembly via LIN communication. If a
LIN communication error is detected, the ECM stores this DTC.
DTC No.
DTC Detection Condition
Trouble Area
P161A87
Generator assembly or ECM commu ...
System Diagram
SYSTEM DIAGRAM
Transmitting ECU (Transmitter)
Receiving ECU
Signals
Communication Method
ECM
Skid control ECU
Throttle position signal
Engine speed signal
Accelerator pedal position ...
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT REFRIGERANT PRESSURE WITH MANIFOLD GAUGE SET
(a) This is a method to specify trouble areas by using a manifold gauge set.
Read the manifold gauge pressure when the following conditions are established.
Test conditions:
Engine has been warmed u ...
