DESCRIPTION
The headlight unit (headlight leveling motor) receives a signal from the headlight control ECU sub-assembly to operate. The headlight control ECU sub-assembly receives a signal indicating the operating conditions of the headlight unit (headlight leveling motor).
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
Note |
---|---|---|---|---|
B2417 |
Headlight Beam Level Control Motor LH Malfunction |
Malfunction in headlight leveling motor LH |
|
- |
B2418 |
Headlight Beam Level Control Motor RH Malfunction |
Malfunction in headlight leveling motor RH |
|
- |
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
After the headlight ECU sub-assembly LH is replaced, vehicle information registration and initialization are necessary.
Click here
PROCEDURE
1. |
CLEAR DTC |
(a) Clear the DTCs.
Click here
|
2. |
CHECK FOR DTC |
(a) Turn the ignition switch to ON.
(b) Turn on the headlights using the headlight dimmer switch.
(c) Check for DTCs.
Click here
Result |
Proceed to |
---|---|
DTC B2417 and B2418 output does not occur |
A |
DTC B2417 output occurs |
B |
DTC B2418 output occurs |
C |
A | ![]() |
USE SIMULATION METHOD TO CHECK |
C | ![]() |
GO TO STEP 5 |
|
3. |
PERFORM ACTIVE TEST USING TECHSTREAM (DRIVE THE LEVELING MOTOR) |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / HL AutoLeveling / Active Test.
(e) Read the Data List according to the display on the Techstream.
(f) Using the Techstream, perform the Active Test.
Click here
Tester Display |
Measurement Item |
Control Range |
Diagnostic Note |
---|---|---|---|
Drive The Leveling Motor |
Headlight leveling motor upward or downward operation |
Stop/Down/Up |
Perform the Active Test with the engine started and vehicle stopped |
Tester Display |
---|
Drive The Leveling Motor |
Result |
Proceed to |
---|---|
The Active Test is performed normally |
A |
The Active Test is not performed normally |
B |
A | ![]() |
REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH |
|
4. |
CHECK HEADLIGHT UNIT ASSEMBLY LH (HEADLIGHT LEVELING MOTOR) |
(a) Temporarily replace the headlight unit assembly LH (headlight leveling motor) with a new or normally functioning one.
(b) Using the Techstream, perform the Active Test.
Click here
Tester Display |
Measurement Item |
Control Range |
Diagnostic Note |
---|---|---|---|
Drive The Leveling Motor |
Headlight leveling motor upward or downward operation |
Stop/Down/Up |
Perform the Active Test with the engine started and vehicle stopped |
Tester Display |
---|
Drive The Leveling Motor |
Result |
Proceed to |
---|---|
The Active Test is performed normally |
A |
The Active Test is not performed normally |
B |
A | ![]() |
END (HEADLIGHT UNIT ASSEMBLY LH [HEADLIGHT LEVELING MOTOR] WAS DEFECTIVE) |
B | ![]() |
REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH |
5. |
PERFORM ACTIVE TEST USING TECHSTREAM (DRIVE THE LEVELING MOTOR) |
(a) Using the Techstream, perform the Active Test.
Click here
Tester Display |
Measurement Item |
Control Range |
Diagnostic Note |
---|---|---|---|
Drive The Leveling Motor |
Headlight leveling motor upward or downward operation |
Stop/Down/Up |
Perform the Active Test with the engine started and vehicle stopped |
Tester Display |
---|
Drive The Leveling Motor |
Result |
Proceed to |
---|---|
The Active Test is performed normally |
A |
The Active Test is not performed normally |
B |
A | ![]() |
REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH |
|
6. |
CHECK HEADLIGHT UNIT ASSEMBLY RH (HEADLIGHT LEVELING MOTOR) |
(a) Temporarily replace the headlight unit assembly RH (headlight leveling motor) with a new or normally functioning one.
(b) Using the Techstream, perform the Active Test.
Click here
Tester Display |
Measurement Item |
Control Range |
Diagnostic Note |
---|---|---|---|
Drive The Leveling Motor |
Headlight leveling motor upward or downward operation |
Stop/Down/Up |
Perform the Active Test with the engine started and vehicle stopped |
Tester Display |
---|
Drive The Leveling Motor |
Result |
Proceed to |
---|---|
The Active Test is performed normally |
A |
The Active Test is not performed normally |
B |
A | ![]() |
END (HEADLIGHT UNIT ASSEMBLY RH [LEVELING MOTOR] WAS DEFECTIVE) |
B | ![]() |
REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH |
Toyota CH-R Service Manual > Headlight Dimmer Switch: Installation
INSTALLATION
PROCEDURE
1. INSTALL HEADLIGHT DIMMER SWITCH ASSEMBLY
(a) Engage the claws to install the headlight dimmer switch assembly as shown
in the illustration.
Install in this Direction
(b) Connect the connector.
2. INSTALL WINDSHIELD WIPER SWITCH ASSEMBL ...
Toyota CH-R Service Manual > Smart Key System(for Entry Function): Open in Inside Luggage Compartment Electrical Key Oscillator Circuit (B27A7)
DESCRIPTION
The certification ECU (smart key ECU assembly) generates a request signal and
transmits the signal to the No. 3 indoor electrical key antenna assembly (inside
luggage compartment). For the No. 3 indoor electrical key antenna assembly (inside
luggage compartment) to detect when the ...