| Last Modified: 08-21-2023 | 6.11:8.1.0 | Doc ID: RM100000001B1ZT |
| Model Year Start: 2019 | Model: Avalon | Prod Date Range: [04/2018 - ] |
| Title: PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM (for Gasoline Model): ECU Power Source Circuit; 2019 - 2022 MY Avalon [04/2018 - ] | ||
|
ECU Power Source Circuit |
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
NOTICE:
Inspect the fuse for circuits related to this system before performing the following inspection procedure.
HINT:
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
|
1. |
CHECK HARNESS AND CONNECTOR (PARKING ASSIST ECU - BODY GROUND) |
(a) Disconnect the K35 parking assist ECU connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
K35-3 (GND1) - Body ground |
Always |
Below 1 Ω |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
2. |
CHECK HARNESS AND CONNECTOR (PARKING ASSIST ECU POWER SOURCE) |
(a) Disconnect the K35 parking assist ECU connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
K35-2 (+B) - K35-3 (GND1) |
Always |
11 to 14 V |
|
K35-1 (ACC) - K35-3 (GND1) |
Engine switch on (ACC) |
11 to 14 V |
|
Engine switch off |
Below 1 V |
|
|
K35-6 (IG) - K35-3 (GND1) |
Engine switch on (IG) |
11 to 14 V |
|
Engine switch off |
Below 1 V |
| OK |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|