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 |
|
Data List / Active Test
Fail-safe ChartIf the shift lever cannot be shifted from P (vehicles with an automatic transmission)
If the shift lever cannot be shifted with your foot on the brake, there may
be a problem with the shift lock system (a system to prevent accidental operation
of the shift lever). Have the vehicle inspected by your Toyota dealer immediately.
The following steps may be used as an emergency measur ...
Hazard Warning Switch Circuit
DESCRIPTION
The combination meter assembly receives information signals from the telltale
light assembly (hazard warning signal switch).
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following
inspection procedur ...
Brake Warning Light does not Come ON
DESCRIPTION
Refer to Brake Warning Light Remains ON (See page
).
WIRING DIAGRAM
Refer to Brake Warning Light Remains ON (See page
).
CAUTION / NOTICE / HINT
NOTICE:
When replacing the skid control ECU (master cylinder solenoid), perform
calibration (See page
).
Inspect ...