| Last Modified: 01-30-2024 | 6.11:8.1.0 | Doc ID: RM100000001FWRO |
| Model Year Start: 2019 | Model: RAV4 | Prod Date Range: [11/2018 - ] |
| Title: LIGHTING (INT): LIGHTING SYSTEM: Interior Light Auto Cut Circuit; 2019 - 2024 MY RAV4 RAV4 HV [11/2018 - ] | ||
|
Interior Light Auto Cut Circuit |
DESCRIPTION
When the battery saving control operates, the main body ECU (multiplex network body ECU) controls the operation of the DOME CUT relay that is built into the instrument panel junction block assembly to turn off the interior lights.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
- Inspect the fuses for circuits related to this system before performing the following procedure.
- Before replacing the main body ECU (multiplex network body ECU), refer to Registration.
PROCEDURE
|
1. |
PERFORM ACTIVE TEST USING TECHSTREAM |
(a) Perform the Active Test according to the display on the Techstream.
Click here
![2019 - 2024 MY RAV4 RAV4 HV [11/2018 - ]; LIGHTING (INT): LIGHTING SYSTEM: DATA LIST / ACTIVE TEST](/t3Portal/stylegraphics/info.gif)
Body Electrical > Main Body > Active Test
|
Tester Display |
Measurement Item |
Control Range |
Diagnostic Note |
|---|---|---|---|
|
Relay for Interior Light Auto Cut Function |
DOME CUT relay |
ON or OFF |
When performing this Active Test, turn all the interior lights on.
|
Body Electrical > Main Body > Active Test
|
Tester Display |
|---|
|
Relay for Interior Light Auto Cut Function |
OK:
All of the interior lights turn off when ON is selected.
| OK |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE
|
|
|
2. |
CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - BATTERY) |
|
(a) Disconnect the instrument panel junction block assembly connector. |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
4K-1 - Body ground |
Ignition switch off |
11 to 14 V |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
3. |
CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY |
(a) Remove the instrument panel junction block assembly.
Click here
|
*a |
Component without harness connected (Instrument Panel Junction Block Assembly) |
- |
- |
(b) Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly.
Click here
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
4K-1 - 4D-10 |
Auxiliary battery not connected to 4K-1 and A-23 (DOMR) |
10 kΩ or higher |
(d) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
4D-10 - Auxiliary battery negative (-) terminal |
Auxiliary battery positive (+) → 4K-1 Auxiliary battery negative (-) → A-23 (DOMR) |
11 to 14 V |
|
Auxiliary battery not connected to 4M-1 and A-23 (DOMR) |
Below 1 V |
| OK |
|
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
|
| NG |
|
REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY
|
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