DESCRIPTION
The No. 1 night view ECU receives the front image signal from the object recognition camera (night view camera). Using the digital (GVIF cable) signal line, the image data is sent to the accessory meter assembly.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
Note
When the No. 1 night view ECU and/or object recognition camera (night view camera) is replaced, perform object recognition camera (night view camera) adjustment Click here.
PROCEDURE
CHECK FOR DIRT AND DAMAGE
Check that the area of the front windshield glass in front of the object recognition camera (night view camera), object recognition camera (night view camera) lens and/or headlights lens is free of dirt and damage.
| OK |
|---|
| There is no dirt or damage. |
| NG |
|
CLEAN OR REPLACE DAMAGED PARTS |
| OK |
|
CHECK HARNESS AND CONNECTOR (NO. 1 NIGHT VIEW ECU - OBJECT RECOGNITION CAMERA [NIGHT VIEW CAMERA])
Disconnect the p2 No. 1 night view ECU connector.
Disconnect the X17 object recognition camera (night view camera) connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
CHECK OBJECT RECOGNITION CAMERA (NIGHT VIEW CAMERA)
| *a | Component with harness connected (Object Recognition Camera [Night View Camera]) |
Measure the pulse from the rear of the object recognition camera (night view camera).
| Item | Content |
|---|---|
| Terminal No. (Symbol) | X17-4 (CV+) - X17-2 (CGND) |
| Tool Setting | 200 mV/DIV., 10 μs./DIV. |
| Condition | Night view system operating and image output to accessory meter assembly |
| OK |
|---|
| The pulse changes according to the image from object recognition camera (night view camera). |
| NG |
|
REPLACE OBJECT RECOGNITION CAMERA (NIGHT VIEW CAMERA) Click here |
| OK |
|
REPLACE HARNESS AND CONNECTOR (GVIF CABLE)
Temporarily replace the wire harness and connector (GVIF cable) with a new or normally functioning one.
| NEXT |
|
CHECK SYMPTOMS
Confirm that the "night view image is not normal" problem symptom is not present.
| OK |
|---|
| Symptom is not present. |
| OK |
|
END (GVIF CABLE IS DEFECTIVE) |
| NG |
|
REPLACE NO. 1 NIGHT VIEW ECU
Temporarily replace the No. 1 night view ECU with a new or normally functioning one Click here.
| NEXT |
|
ADJUST OBJECT RECOGNITION CAMERA (NIGHT VIEW CAMERA)
Perform object recognition camera (night view camera) adjustment Click here.
| NEXT |
|
CHECK SYMPTOMS
Confirm that the "night view image is not normal" problem symptom is not present.
| OK |
|---|
| Symptom is not present. |
| OK |
|
END (NO. 1 NIGHT VIEW ECU IS DEFECTIVE) |
| NG |
|
REPLACE ACCESSORY METER ASSEMBLY Click here |