Toyota Tacoma 2015-2018 Service Manual: Front Radar Sensor (C1A10)
DESCRIPTION
C1A10 is output when there is an internal malfunction in the millimeter wave radar sensor assembly.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
MIL |
|---|---|---|---|---|
|
C1A10 |
Front Radar Sensor |
While the vehicle speed is 36 km/h (22 mph) or more and the dynamic radar cruise control system is operating, the internal malfunction of the millimeter wave radar sensor assembly continues for 0.3 seconds or more. |
Millimeter wave radar sensor assembly |
Does not come on |
CAUTION / NOTICE / HINT
NOTICE:
- When replacing the millimeter wave radar sensor assembly, make sure to replace it with a new one. If a device which was installed to another vehicle is used, the information stored in the millimeter wave radar sensor assembly will not match the information from the vehicle, and as a result, a DTC may be stored.
- When the millimeter wave radar sensor assembly is replaced with a new
one, adjustment of the radar sensor beam axis must be performed.
Click here
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PROCEDURE
|
1. |
REPLACE MILLIMETER WAVE RADAR SENSOR ASSEMBLY |
(a) Replace the millimeter wave radar sensor assembly with a new one.
Click here
(b) Perform millimeter wave radar sensor assembly adjustment.
Click here
|
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|
2. |
CLEAR FOR DTCs (RADAR CRUISE 2) |
(a) Clear the DTCs.
Click here
| NEXT | .gif) |
END (MILLIMETER WAVE RADAR SENSOR ASSEMBLY WAS DEFECTIVE) |
Brake Switch "A" Circuit Open (P057113)
DESCRIPTION
When the brakes are applied by the dynamic radar cruise control system, the skid
control ECU (master cylinder solenoid)*1 or skid control ECU (brake actuator assembly)*2
operates the ...
Front Radar Sensor Incorrect Axial Gap (C1A11,C1A14)
DESCRIPTION
When the system determines that the vehicle is driving straight ahead based on
signals from the yaw rate and acceleration sensor (airbag sensor assembly), etc.,
the millimeter wave ra ...
Other materials:
Freeze Frame Data
FREEZE FRAME DATA
1. FREEZE FRAME DATA
(a) Whenever a meter DTC is detected, the combination meter assembly stores the
current vehicle state as freeze frame data.
2. CHECK FREEZE FRAME DATA
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on ...
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Smart Key System (for Start Function)
DTC Code
Detection Item
See page
B2271
Ignition Hold Monitor Malfunction
B2274
ACC Monitor Malfunction
...
Indicators and warning lights
The indicator and warning lights on the instrument cluster and center panel
inform the driver of the status of the vehicle’s various systems.
Instrument cluster
Center panel
■ Indicators
The indicators inform the driver of the operating state of the vehicle’s various
systems. ...