| Last Modified: 08-21-2023 | 6.11:8.1.0 | Doc ID: RM100000001RUH5 |
| Model Year Start: 2021 | Model: Avalon | Prod Date Range: [08/2020 - ] |
| Title: LIGHTING (INT): LIGHTING SYSTEM (for Gasoline Model): Engine Switch Illumination Circuit; 2021 - 2022 MY Avalon [08/2020 - ] | ||
|
Engine Switch Illumination Circuit |
DESCRIPTION
The illuminated entry system controls the engine switch illumination.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Before replacing the certification ECU (smart key ECU assembly), refer to Registration.
Click here
![2021 - 2022 MY Avalon [08/2020 - ]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): REGISTRATION](/t3Portal/stylegraphics/info.gif)
PROCEDURE
|
1. |
PERFORM ACTIVE TEST USING TECHSTREAM |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Smart Key / Active Test.
(e) Perform the Active Test according to the display on the Techstream.
Body Electrical > Smart Key > Active Test
|
Tester Display |
Measurement Item |
Control Range |
Diagnostic Note |
|---|---|---|---|
|
Power/Engine SW Light |
Engine switch illumination |
OFF or ON |
- |
Body Electrical > Smart Key > Active Test
|
Tester Display |
|---|
|
Power/Engine SW Light |
OK:
Engine switch illumination comes on.
| OK |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
|
|
2. |
INSPECT ENGINE SWITCH |
(a) Remove the engine switch.
for 2GR-FKS: Click here
for A25A-FKS: Click here
(b) Inspect the engine switch.
for 2GR-FKS: Click here
for A25A-FKS: Click here
| NG |
|
REPLACE ENGINE SWITCH for 2GR-FKS: Click here
for A25A-FKS: Click here
|
|
|
3. |
CHECK HARNESS AND CONNECTOR (ENGINE SWITCH - CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)) |
(a) Disconnect the G40 certification ECU (smart key ECU assembly) connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
G41-9 (SWIL) - G40-10 (SWIL) |
Always |
Below 1 Ω |
|
G41-6 (AGND) - G40-11 (AGND) |
Always |
Below 1 Ω |
|
G41-9 (SWIL) or G40-10 (SWIL) - Body ground |
Always |
10 kΩ or higher |
|
G41-6 (AGND) or G40-11 (AGND) - Body ground |
Always |
10 kΩ or higher |
| OK |
|
REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
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