Toyota Tacoma (2015-2018) Service Manual: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Pre-collision System|
DTC No. |
Detection Item |
Link |
|---|---|---|
|
C1A02 |
Vehicle Information Not Obtained |
|
|
C1A10 |
Front Radar Sensor |
|
|
C1A11 |
Front Radar Sensor Incorrect Axial Gap |
|
|
C1A14 |
Front Radar Sensor Beam Axis Not Adjusted |
|
|
C1A46 |
Yaw Rate Sensor |
|
|
C1A47 |
Steering Angle Sensor |
|
|
C1A4A |
Skid Control Buzzer Circuit |
|
|
C1A4B |
Stop Light Relay Circuit |
|
|
C1A50 |
Brake System Malfunction |
|
|
C1A63 |
Other System Malfunction |
|
|
C1A69 |
Brake Control Signal Mismatch |
|
|
C1AA0 |
Front Camera Module Circuit |
|
|
C1AA8 |
Front Camera Module Incorrect Axial Gap |
|
|
C1AA9 |
Front Camera Module Beam Axis Not Adjusted |
|
|
C1AAE |
Heater Circuit |
|
|
U0100 |
Lost Communication with ECM / PCM "A" |
|
|
U0125 |
Lost Communication with Yaw Rate Sensor Module |
|
|
U0126 |
Lost Communication with Steering Angle Sensor Module |
|
|
U0129 |
Lost Communication with Brake System Control Module |
|
|
U0235 |
Lost Communication with Cruise Control Front Distance Range Sensor |
|
|
U023A |
Lost Communication With Image Processing Module "A" |
|
|
U1002 |
Lost Communication with Gateway Module |
|
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Data List / Active Test
DATA LIST / ACTIVE TEST
DATA LIST
NOTICE:
In the table below, the values listed under "Normal Condition" are reference
values. Do not depend solely on these reference values when decidi ...
Fail-safe Chart
FAIL-SAFE CHART
FAIL-SAFE FUNCTION
(a) When a malfunction occurs in the pre-collision system, a message will be
displayed on the multi-information display and the pre-collision system will be
di ...
Other materials:
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT DRIVER SEAT BELT WARNING LIGHT
HINT:
The seat belt warning light on the combination meter assembly is used for both
the driver seat and front passenger seat.
(a) Turn the ignition switch to ON.
(b) When the driver seat belt is not fastened, check th ...
Yaw Rate Sensor (C1A46)
DESCRIPTION
If the millimeter wave radar sensor assembly receives a yaw rate sensor malfunction
signal from the yaw rate sensor (airbag sensor assembly) or yaw rate sensor zero
point malfunction signal from the skid control ECU (master cylinder solenoid)*1
or skid control ECU (brake actuator ...
Passenger Side Buckle Switch Circuit Malfunction (B1771)
DESCRIPTION
The passenger side buckle switch circuit consists of the occupant detection ECU
and the front seat inner belt assembly RH.
DTC B1771 is recorded when a malfunction is detected in the passenger side buckle
switch circuit.
Troubleshoot DTC B1771 first when DTCs B1771 and B1795 are o ...
