Toyota Camry (XV70): Diagnostic Trouble Code Chart
Toyota Camry Repair Manual XV70 (2018-2024) / Engine, Hybrid System / Cruise Control / Front Radar Sensor System / Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Front Radar Sensor System|
DTC No. | Detection Item |
Link |
|---|---|---|
| C1A1100 |
Front Radar Sensor Optical Axis Misalignment Malfunction |
|
|
C1A8C46 | Main Microcomputer in Front Radar Sensor Calibration/Parameter Memory Failure |
|
|
C1A8D1C | Power Supply Circuit in Front Radar Sensor Circuit Voltage Out of Range |
|
|
C1A9000 | Malfunction of Millimeter-wave Circuit in Front Radar Sensor |
|
|
C1A9100 | Malfunction of Acceleration Sensor in Front Radar Sensor |
|
|
U010487 | Lost Communication with Cruise Control Module Missing Message |
|
|
U030557 | Software Incompatibility with Cruise Control Module Invalid/Incompatible Software Component |
|
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Vehicle Control History
VEHICLE CONTROL HISTORY
NOTICE:
Vehicle control history may be recorded due to the replacement or repair of related parts.
When checking the Vehicle Control History, make sure to record the
Front Radar Sensor Optical Axis Misalignment Malfunction (C1A1100)
DESCRIPTION The millimeter wave radar sensor assembly performs self-diagnosis to check for misalignment of its beam axis. If misalignment is detected, the millimeter wave radar sensor assembly stores
Main Microcomputer in Front Radar Sensor Calibration/Parameter Memory Failure (C1A8C46,C1A8D1C,C1A9000,C1A9100)
DESCRIPTION When an internal malfunction is detected in the millimeter wave radar sensor assembly, a DTC is stored.
DTC No. Detection Item
DTC Detection Condition Trouble Area
C
SEE MORE:
RCTA (Rear Cross Traffic
Alert)
The RCTA function uses the BSM rear side radar sensors
installed behind the rear bumper. This function is intended to
assist the driver in checking areas that are not easily visible
when backing up.
System components
Multi-information display
Turning the RCTA function on/off.
Outside r
System Diagram
SYSTEM DIAGRAM
*1 Throttle Body with Motor Assembly
*2 Intake Air Control Valve (for ACIS)
*3 Intake Air Control Valve Actuator (for ACIS)
*4 ECM
*5 Vacuum Switching Valve (for ACIS)
- -
*a Engine Speed Signal
*b from Vacuum P
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