Toyota CH-R Service Manual: Height Control Sensor Data Out of Range When Initializing (B2452)
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
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- Replacement of the rear height control sensor sub-assembly LH
- Removal/installation of the rear height control sensor sub-assembly LH
- Work that changes the vehicle height such as replacement of suspension components
PROCEDURE
|
1. |
CLEAR DTC |
(a) Clear the DTCs.
Click here
|
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|
2. |
CHECK FOR DTC |
(a) Turn the ignition switch to ON.
(b) Check for DTCs.
Click here
OK:
DTC B2452 is not output.
| OK | .gif) |
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 |
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Automatic Headlight Beam Level Control System
DTC No.
Detection Item
Link
B2415
Vehicle Speed Sensor Malfun ...
Left Headlight ECU Variation Error (B2456)
DESCRIPTION
This DTC is stored when a headlight ECU sub-assembly LH which is not compatible
with the vehicle has been installed.
DTC No.
Detection Item
DTC Detecti ...
Other materials:
Toyota CH-R Service Manual > Rocker Panel Moulding: Installation
INSTALLATION
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the RH side and LH side.
The following procedure is for the LH side.
PROCEDURE
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(a) Engage the clips to install the rocker panel moulding as shown in the illustration.
...
Toyota CH-R Service Manual > Power Steering System: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are listed in order of probability in the "Suspected Area" column of the
table.
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Toyota CH-R Owners Manual
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