DESCRIPTION
A DTC is stored when the headlight ECU sub-assembly receives a light source malfunction signal from its respective headlight unit. The headlight ECU sub-assembly LH stores DTC B2439 or B243A.
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
Note |
---|---|---|---|---|
B2439 |
Headlamp LH Circuit |
headlight ECU sub-assembly LH light source malfunction |
|
- |
B243A |
Headlamp RH Circuit |
headlight ECU sub-assembly RH light source malfunction |
|
- |
WIRING DIAGRAM
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
PROCEDURE
1. |
CLEAR DTC |
(a) Clear the DTCs.
Click here
Body Electrical > HL AutoLeveling > Clear DTCs
|
2. |
CHECK FOR DTC |
(a) Turn the ignition switch to ON.
(b) Operate the light control switch to turn on the low beam headlights.
(c) Check for DTCs.
Click here
Body Electrical > HL AutoLeveling > Trouble CodesOK:
DTC B2439 and B243A are not output.
Result |
Proceed to |
---|---|
OK |
A |
NG (DTC B2439 is output) |
B |
NG (DTC B243A is output) |
C |
A |
USE SIMULATION METHOD TO CHECK |
C |
GO TO STEP 6 |
|
3. |
REPLACE HEADLIGHT UNIT ASSEMBLY LH |
(a) Replace the headlight unit assembly LH with a new or known good one.
|
4. |
CLEAR DTC |
(a) Clear the DTCs.
Click here
Body Electrical > HL AutoLeveling > Clear DTCs
|
5. |
CHECK FOR DTC |
(a) Turn the ignition switch to ON.
(b) Operate the light control switch to turn on the low beam headlights.
(c) Check for DTCs.
Click here
Body Electrical > HL AutoLeveling > Trouble CodesOK:
DTC B2439 is not output.
OK |
END (HEADLIGHT UNIT ASSEMBLY LH WAS DEFECTIVE) |
NG |
REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH |
6. |
REPLACE HEADLIGHT UNIT ASSEMBLY RH |
(a) Replace the headlight unit assembly RH with a new or known good one.
|
7. |
CLEAR DTC |
(a) Clear the DTCs.
Click here
Body Electrical > HL AutoLeveling > Clear DTCs
|
8. |
CHECK FOR DTC |
(a) Turn the ignition switch to ON.
(b) Operate the light control switch to turn on the low beam headlights.
(c) Check for DTCs.
Click here
Body Electrical > HL AutoLeveling > Trouble CodesOK:
DTC B243A is not output.
OK |
END (HEADLIGHT UNIT ASSEMBLY RH WAS DEFECTIVE) |
NG |
REPLACE HEADLIGHT ECU SUB-ASSEMBLY RH |
Toyota CH-R Service Manual > Door Lock: Wireless Door Lock Buzzer
Components
COMPONENTS
ILLUSTRATION
*1
WIRELESS DOOR LOCK BUZZER
-
-
Removal
REMOVAL
PROCEDURE
1. SEPARATE FRONT FENDER LINER LH
Click here
2. REMOVE WIRELESS DOOR LOCK BUZZER
(a) Disconnect the connector.
...
Toyota CH-R Service Manual > Can Communication System: Open in One Side of Bus 5 Branch Line
DESCRIPTION
When the CAN bus main lines are normal (no open, short to ground, short to +B
or short between lines) and there is an ECU or sensor on the "Communication Bus
Check" screen that is indicated as not communicating or whose connection status
on the "Communication Bus Ch ...