DESCRIPTION
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. |
PERFORM ACTIVE TEST USING TECHSTREAM |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Enter the following menus: Body Electrical / HL AutoLeveling / Active Test.
(d) Perform the Active Test according to the display on the Techstream.
Body Electrical > HL AutoLeveling > Active Test
Tester Display |
Measurement Item |
Control Range |
Diagnostic Note |
---|---|---|---|
Clearance Light |
Clearance lights |
ON or OFF |
- |
Daytime Running Light |
Daytime running lights |
ON or OFF |
- |
Tester Display |
---|
Clearance Light |
Tester Display |
---|
Daytime Running Light |
OK:
Clearance lights and daytime running lights illuminate.
Result |
Proceed to |
---|---|
OK |
A |
NG (for LH Side) |
B |
NG (for RH Side) |
C |
A | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
C | ![]() |
GO TO STEP 3 |
|
2. |
REPLACE HEADLIGHT UNIT ASSEMBLY LH |
(a) Replace the headlight unit assembly LH with a new or known good one.
(b) Check that the clearance light LH and daytime running light LH operate normally.
OK:
Clearance light LH and daytime running light LH operate normally.
OK | ![]() |
END (HEADLIGHT UNIT ASSEMBLY LH WAS DEFECTIVE) |
NG | ![]() |
REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH |
3. |
REPLACE HEADLIGHT UNIT ASSEMBLY RH |
(a) Replace the headlight unit assembly RH with a new or known good one.
(b) Check that the clearance light RH and daytime running light RH operate normally.
OK:
Clearance light RH and daytime running light RH operate normally.
OK | ![]() |
END (HEADLIGHT UNIT ASSEMBLY RH WAS DEFECTIVE) |
NG | ![]() |
REPLACE HEADLIGHT ECU SUB-ASSEMBLY RH |
Toyota CH-R Owners Manual > For safe use: SRS airbags
The SRS airbags inflate when the vehicle is subjected to certain
types of severe impacts that may cause significant injury to the occupants. They
work together with the seat belts to help reduce the risk of death or serious injury.
SRS front airbags
SRS driver airbag/front passenger a ...
Toyota CH-R Service Manual > Automatic Headlight Beam Level Control System: Fail-safe Chart
FAIL-SAFE CHART
FAIL-SAFE FUNCTION
(a) Headlight ECU sub-assembly
(1) The headlight ECU sub-assemblies stop light operation if the following malfunctions
are detected.
Malfunction
Multi-information Display Warning
DTC Output
Lighting on/off
...