Toyota Camry (XV70): Diagnosis System
DIAGNOSIS SYSTEM
DIAGNOSIS FUNCTION
(a) The diagnosis function turns off the cruise control indicator, illuminates the master warning light and displays a warning message when a malfunction is detected. When a malfunction is detected in the dynamic radar cruise control system, DTCs are stored in the ECM or forward recognition camera.
|
*a | Cruise Control Indicator (Constant Speed Control Mode) |
|
*b | Cruise Control Indicator (Vehicle-to-vehicle Distance Control Mode) |
|
*c | Master Warning Light |
NOTICE:
As data stored in the ECU will be cleared, do not remove any fuses or disconnect the cable from the negative (-) battery terminal before the inspection is complete.
HINT:
When the system returns to normal, the warning message "Cruise Control Malfunction Visit Your Dealer" displayed on the multi-information display will be cleared.
READ NEXT:
Dtc Check / Clear
DTC CHECK / CLEAR NOTICE: When the diagnosis system is changed from normal mode to check mode or vice versa, all DTCs and freeze frame data recorded in normal mode are cleared. Before changing modes,
Freeze Frame Data
FREEZE FRAME DATA CHECK FREEZE FRAME DATA HINT:
The ECU records vehicle and driving condition information as freeze frame data the moment a DTC is stored.
(a) Enter the following menus: Powertrain
Fail-safe Chart
FAIL-SAFE CHART Automatic Cancel Control (a) When the vehicle is being driven in constant speed control mode and any of the following malfunctions occur, control of vehicle speed by the dynamic cruise
SEE MORE:
Communication Error from ECM to VSC Invalid Serial Data Received (P163181)
DESCRIPTION The skid control ECU (brake actuator assembly) sends signals such as brake request signals to the ECM. When the ECM detects logic error signals sent from the skid control ECU (brake actuator assembly) for a certain period of time, DTC P163181 is stored.
DTC No. Detection Item
Left Front Wheel Speed Sensor Signal Stuck Low (C050023)
DESCRIPTION Refer to DTC C050012 Click here
DTC No. Detection Item
DTC Detection Condition Trouble Area
C050023 Left Front Wheel Speed Sensor Signal Stuck Low
When the vehicle is driven from 0 km/h to 12 km/h (0 mph to 7 mph), the wheel speed is 1.8 km/h (1.1
