Toyota Corolla Cross: Headlight Control Module (Sub) System Internal Failure (B242C04,B242D04)
DESCRIPTION
The headlight ECU sub-assembly LH or headlight ECU sub-assembly RH stores a DTC if it detects an internal malfunction.
|
DTC No. | Detection Item |
DTC Detection Condition | Trouble Area |
|---|---|---|---|
|
B242C04 | Headlight Control Module (Sub) System Internal Failure | Detection condition:
| Headlight ECU sub-assembly RH |
|
B242D04 | Headlight Control Module (Main) System Internal Failure | Detection condition:
| Headlight ECU sub-assembly LH |
CAUTION / NOTICE / HINT
NOTICE:
If the headlight ECU sub-assembly LH has been replaced, it is necessary to synchronize the vehicle information and initialize the headlight ECU sub-assembly LH.
Click here .gif)
PROCEDURE
| 1. |
CLEAR DTC |
(a) Clear the DTCs.
Body Electrical > Headlight Control > Clear DTCs Body Electrical > Headlight Control (Sub) > Clear DTCs
|
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| 2. |
CHECK FOR DTC |
(a) Turn the ignition switch to ON.
(b) Wait at least 15 minutes.
(c) Check for DTCs.
Body Electrical > Headlight Control > Trouble Codes Body Electrical > Headlight Control (Sub) > Trouble CodesOK:
DTC B242C04 and B242D04 are not output.
|
Result | Proceed to |
|---|---|
|
DTCs are not output | A |
|
B242C04 is output | B |
|
B242D04 is output | C |
| A |
.gif) | USE SIMULATION METHOD TO CHECK |
| B |
| REPLACE HEADLIGHT ECU SUB-ASSEMBLY RH |
| C |
| REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH |
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DTC No. Detection Item
D
For safe driving
For safe driving, adjust the
seat and mirror to an appropriate
position before driving.
Correct driving posture
Adjust the angle of the seatback
so that you are sitting
straight up and so that you do
not have to lean forward to
steer.
Adjust the seat so that you
can depress the pedals full
