DESCRIPTION
On the SIGNAL CHECK screen, it is possible to check if the signals sent to the parking assist ECU are normal.
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HINT:
Item | Signal Input Method | Detail | DTC Output when Abnormal Result is Displayed | Signal Receiver |
---|---|---|---|---|
CAN | CAN communication | CAN communication signal | DTC is output | Related ECUs |
SHIFT | Vehicle wire harness | Shift position switch signal | DTC is not output | BKUP LP relay |
CAMERA SW | Vehicle wire harness | Panoramic view monitor switch signal input state | DTC is not output | Panoramic View Monitor Switch |
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
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PROCEDURE
1. | CHECK DISPLAY CHECK MODE |
(a) Check which items display on the signal check screen. | |
Result | Proceed to |
---|---|
"CAMERA SW" displays "CHK" (red) | A |
"CAN" displays "CHK" (red) | B |
"SHIFT" displays "CHK" (red) | C |
B | GO TO CAN COMMUNICATION SYSTEM |
C | GO TO STEP 4 |
|
2. | CHECK HARNESS AND CONNECTOR (PANORAMIC VIEW MONITOR SWITCH - PARKING ASSIST ECU AND BODY GROUND) |
(a) Disconnect the G32 panoramic view monitor switch connector.
(b) Disconnect the N44 parking assist ECU connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition | Specified Condition |
---|---|---|
N44-15 (BLSW) - G32-4 (ECU) | Always | Below 1 Ω |
G32-2 (E) - Body ground | Always | Below 1 Ω |
N44-15 (BLSW) or G32-4 (ECU) - Body ground | Always | 10 kΩ or higher |
NG | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
3. | INSPECT PANORAMIC VIEW MONITOR SWITCH |
(a) Remove the panoramic view monitor switch.
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(b) Inspect the panoramic view monitor switch.
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OK | REPLACE PARKING ASSIST ECU |
NG | REPLACE PANORAMIC VIEW MONITOR SWITCH |
4. | CHECK BACK-UP LIGHT |
(a) Check that the back-up light comes on.
OK:
The back-up light comes on.
NG | GO TO LIGHTING SYSTEM (EXT) |
|
5. | CHECK HARNESS AND CONNECTOR (REVERSE SIGNAL) |
(a) Disconnect the N44 parking assist ECU connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection | Condition | Specified Condition |
---|---|---|
N44-14 (REV) - Body ground | Power switch on (IG), shift lever in R | 11 to 14 V |
N44-14 (REV) - Body ground | Power switch on (IG), shift lever not in R | Below 1 V |
OK | REPLACE PARKING ASSIST ECU |
NG | REPAIR OR REPLACE HARNESS OR CONNECTOR |