DESCRIPTION
The headlight ECU sub-assembly LH stores this DTC if the sensor value received from the rear height control sensor sub-assembly LH is out of range when performing initialization of the headlight ECU sub-assembly LH; for example, the vehicle is not level or being jack up.
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
Note |
---|---|---|---|---|
B2452 |
Height Control Sensor Data Out of Range When Initializing |
Rear height control sensor sub-assembly LH value is out of range when initializing |
|
- |
CAUTION / NOTICE / HINT
NOTICE:
If any of the following are performed, it is necessary to initialize the headlight ECU sub-assembly LH.
Click here
PROCEDURE
1. |
CLEAR DTC |
(a) Clear the DTCs.
Click here
|
2. |
CHECK FOR DTC |
(a) Turn the ignition switch to ON.
(b) Check for DTCs.
Click here
OK:
DTC B2452 is not output.
OK | ![]() |
USE SIMULATION METHOD TO CHECK
|
|
3. |
CHECK AND REPLACE REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY LH |
(a) Check the installation condition of the rear height control sensor sub-assembly LH.
OK:
Rear height control sensor sub-assembly LH is installed correctly.
OK | ![]() |
REPLACE REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY LH |
NG | ![]() |
INSTALL PARTS CORRECTLY |
Toyota CH-R Service Manual > Steering Lock System: Dtc Check / Clear
DTC CHECK / CLEAR
NOTICE:
The steering lock ECU (steering lock actuator or upper bracket assembly)
does not store history DTCs. If any DTCs are output, confirm and record
them as soon as possible. Do not turn the engine switch off or clear the
DTCs until the DTCs are confirmed ...
Toyota CH-R Service Manual > Lighting System: Headlight Dimmer Switch Circuit
DESCRIPTION
The main body ECU (multiplex network body ECU) receives the following switch
information:
Light control switch in tail, head or AUTO position
Dimmer switch in high, low or high flash (pass) position
Fog light switch in front or off position*1
*1: w/ Fog L ...