DESCRIPTION
This circuit is the power source circuit to operate the parking assist ECU. The parking assist ECU controls the panoramic view monitor system.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
Note
Inspect the fuse for circuits related to this system before performing the following inspection procedure.
Tech Tips
The parking assist ECU is connected to other ECUs via CAN communication or AVC-LAN communication.
w/ Navigation System:
If the parking assist ECU does not operate due to a power source problem, a navigation system DTC may be stored due to an AVC-LAN communication interruption.
w/o Navigation System:
If the parking assist ECU does not operate due to a power source problem, an audio and visual system DTC may be stored due to an AVC-LAN communication interruption.
If the parking assist ECU does not operate due to a power source problem, other system DTCs may be stored due to a CAN communication interruption.
PROCEDURE
CHECK HARNESS AND CONNECTOR (PARKING ASSIST ECU - BATTERY AND BODY GROUND)
| *a | Front view of wire harness connector (to Parking Assist ECU) |
Disconnect the parking assist ECU connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | ||||||
|---|---|---|---|---|---|---|
|
Measure the voltage according to the value(s) in the table below.
| Standard Voltage | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| OK |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |