PROCEDURE
INSPECT HEADLIGHT UNIT ASSEMBLY LH (w/o Adaptive High Beam System)
| *1 | Headlight Unit Assembly LH (Headlight Cord) | - | - |
| *a | Component without harness connected (to No. 1 Headlight ECU Sub-assembly LH) |
*b | Component without harness connected (to Headlight Unit LH) |
| *c | Component without harness connected (to Headlight Leveling Motor) |
- | - |
Measure the resistance according to the value(s) in the table below.
Inspect the headlight leveling motor circuit.
| Standard Resistance | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
If the result is not as specified, replace the headlight unit assembly LH (headlight cord).
Inspect the high beam headlight circuit.
| Standard Resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
If the result is not as specified, replace the headlight unit assembly LH (headlight cord).
Inspect the low beam headlight circuit.
| Standard Resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
If the result is not as specified, replace the headlight unit assembly LH (headlight cord).
Inspect the headlight fan circuit.
| Standard Resistance | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
If the result is not as specified, replace the headlight unit assembly LH (headlight cord).
Inspect the clearance light circuit.
| Standard Resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
If the result is not as specified, replace the headlight unit assembly LH (headlight cord).
INSPECT HEADLIGHT UNIT ASSEMBLY LH (w/ Adaptive High Beam System)
| *1 | Headlight Unit Assembly LH (Headlight Cord) | - | - |
| *a | Component without harness connected (to No. 1 Headlight ECU Sub-assembly LH) |
*b | Component without harness connected (to Headlight Unit LH) |
| *c | Component without harness connected (to Headlight Light Control ECU Sub-assembly LH) |
- | - |
Measure the resistance according to the value(s) in the table below.
Inspect the headlight leveling motor circuit.
| Standard Resistance | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
If the result is not as specified, replace the headlight unit assembly LH (headlight cord).
Inspect the add high beam headlight circuit.
| Standard Resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
If the result is not as specified, replace the headlight unit assembly LH (headlight cord).
Inspect the low beam headlight circuit.
| Standard Resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
If the result is not as specified, replace the headlight unit assembly LH (headlight cord).
Inspect the headlight fan circuit.
| Standard Resistance | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
If the result is not as specified, replace the headlight unit assembly LH (headlight cord).
Inspect the clearance light circuit.
| Standard Resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
If the result is not as specified, replace the headlight unit assembly LH (headlight cord).
Inspect the headlight light control ECU sub-assembly power source and communication circuit.
| Standard Resistance | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
If the result is not as specified, replace the headlight unit assembly LH (headlight cord).
Inspect the LED array circuit.
| Standard Resistance | ||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
If the result is not as specified, replace the headlight unit assembly LH (headlight cord).
Inspect the LED array fan circuit.
| Standard Resistance | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
If the result is not as specified, replace the headlight unit assembly LH (headlight cord).
INSPECT HEADLIGHT UNIT LH
| *a | Component without harness connected (to Headlight Unit Assembly LH) |
Apply auxiliary battery voltage to the headlight unit LH and check that the light illuminates.
| OK | ||||
|---|---|---|---|---|
|
If the result is not as specified, replace the headlight unit LH.
INSPECT HEADLIGHT UNIT ASSEMBLY RH (w/o Adaptive High Beam System)
| *1 | Headlight Unit Assembly RH (Headlight Cord) | - | - |
| *a | Component without harness connected (to No. 1 Headlight ECU Sub-assembly RH) |
*b | Component without harness connected (to Headlight Unit RH) |
| *c | Component without harness connected (to Headlight Leveling Motor) |
- | - |
Measure the resistance according to the value(s) in the table below.
Inspect the headlight leveling motor circuit.
| Standard Resistance | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
If the result is not as specified, replace the headlight unit assembly RH (headlight cord).
Inspect the high beam headlight circuit.
| Standard Resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
If the result is not as specified, replace the headlight unit assembly RH (headlight cord).
Inspect the low beam headlight circuit.
| Standard Resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
If the result is not as specified, replace the headlight unit assembly RH (headlight cord).
Inspect the headlight fan circuit.
| Standard Resistance | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
If the result is not as specified, replace the headlight unit assembly RH (headlight cord).
Inspect the clearance light circuit.
| Standard Resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
If the result is not as specified, replace the headlight unit assembly RH (headlight cord).
INSPECT HEADLIGHT UNIT ASSEMBLY RH (w/ Adaptive High Beam System)
| *1 | Headlight Unit Assembly RH (Headlight Cord) | - | - |
| *a | Component without harness connected (to No. 1 Headlight ECU Sub-assembly RH) |
*b | Component without harness connected (to Headlight Unit RH) |
| *c | Component without harness connected (to Headlight Light Control ECU Sub-assembly RH) |
- | - |
Measure the resistance according to the value(s) in the table below.
Inspect the headlight leveling motor circuit.
| Standard Resistance | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
If the result is not as specified, replace the headlight unit assembly RH (headlight cord).
Inspect the add high beam headlight circuit.
| Standard Resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
If the result is not as specified, replace the headlight unit assembly RH (headlight cord).
Inspect the low beam headlight circuit.
| Standard Resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
If the result is not as specified, replace the headlight unit assembly RH (headlight cord).
Inspect the headlight fan circuit.
| Standard Resistance | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
If the result is not as specified, replace the headlight unit assembly RH (headlight cord).
Inspect the clearance light circuit.
| Standard Resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
If the result is not as specified, replace the headlight unit assembly RH (headlight cord).
Inspect the headlight light control ECU sub-assembly power source and communication circuit.
| Standard Resistance | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
If the result is not as specified, replace the headlight unit assembly RH (headlight cord).
Inspect the LED array circuit.
| Standard Resistance | ||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
If the result is not as specified, replace the headlight unit assembly RH (headlight cord).
Inspect the LED array fan circuit.
| Standard Resistance | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
If the result is not as specified, replace the headlight unit assembly RH (headlight cord).
INSPECT HEADLIGHT UNIT RH
| *a | Component without harness connected (to Headlight Unit Assembly RH) |
Apply auxiliary battery voltage to the headlight unit RH and check that the light illuminates.
| OK | ||||
|---|---|---|---|---|
|
If the result is not as specified, replace the headlight unit RH.