| Last Modified: 01-30-2024 | 6.11:8.1.0 | Doc ID: RM100000001FWRL |
| Model Year Start: 2019 | Model: RAV4 | Prod Date Range: [11/2018 - ] |
| Title: LIGHTING (INT): LIGHTING SYSTEM: Door Courtesy Switch Circuit; 2019 - 2024 MY RAV4 RAV4 HV [11/2018 - ] | ||
|
Door Courtesy Switch Circuit |
DESCRIPTION
The main body ECU (multiplex network body ECU) detects the condition of the courtesy light switch.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
w/ Smart Key System:
Before replacing the main body ECU (multiplex network body ECU), refer to Registration.
PROCEDURE
|
1. |
READ VALUE USING TECHSTREAM |
(a) Read the Data List 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 > Data List
|
Tester Display |
Measurement Item |
Range |
Normal Condition |
Diagnostic Note |
|---|---|---|---|---|
|
RR Door Courtesy SW |
Rear door courtesy light switch assembly RH signal |
OFF or ON |
OFF: Rear door RH closed ON: Rear door RH open |
- |
|
RL Door Courtesy SW |
Rear door courtesy light switch assembly LH signal |
OFF or ON |
OFF: Rear door LH closed ON: Rear door LH open |
- |
|
FR Door Courtesy SW |
Front door courtesy light switch assembly RH signal |
OFF or ON |
OFF: Front door RH closed ON: Front door RH open |
- |
|
FL Door Courtesy SW |
Front door courtesy light switch assembly LH signal |
OFF or ON |
OFF: Front door LH closed ON: Front door LH open |
- |
Body Electrical > Main Body > Data List
|
Tester Display |
|---|
|
RR Door Courtesy SW |
|
RL Door Courtesy SW |
|
FR Door Courtesy SW |
|
FL Door Courtesy SW |
OK:
Normal conditions listed above are displayed.
|
Result |
Proceed to |
|---|---|
|
OK |
A |
|
NG ("FR Door Courtesy SW" is abnormal) |
B |
|
NG ("FL Door Courtesy SW" is abnormal) |
C |
|
NG ("RR Door Courtesy SW" is abnormal) |
D |
|
NG ("RL Door Courtesy SW" is abnormal) |
E |
| A |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE
|
| C |
|
| D |
|
| E |
|
|
|
2. |
INSPECT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY RH |
(a) Remove the front door courtesy light switch assembly RH.
Click here
(b) Inspect the front door courtesy light switch assembly RH.
Click here
| NG |
|
|
|
3. |
CHECK HARNESS AND CONNECTOR (FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY RH - MAIN BODY ECU [MULTIPLEX NETWORK BODY ECU]) |
(a) Disconnect the M4 front door courtesy light switch assembly RH connector.
(b) Disconnect the G44 main body ECU (multiplex network body ECU) connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
M4-1 - G44-6 (FRCY) |
Always |
Below 1 Ω |
|
M4-1 or G44-6 (FRCY) - Body ground |
Always |
10 kΩ or higher |
| OK |
|
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
4. |
INSPECT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LH |
(a) Remove the front door courtesy light switch assembly LH.
Click here
(b) Inspect the front door courtesy light switch assembly LH.
Click here
| NG |
|
|
|
5. |
CHECK HARNESS AND CONNECTOR (FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LH - MAIN BODY ECU [MULTIPLEX NETWORK BODY ECU]) |
(a) Disconnect the N7 front door courtesy light switch assembly LH connector.
(b) Disconnect the G44 main body ECU (multiplex network body ECU) connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
N7-1 - G44-1 (FLCY) |
Always |
Below 1 Ω |
|
N7-1 or G44-1 (FLCY) - Body ground |
Always |
10 kΩ or higher |
| OK |
|
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
6. |
INSPECT REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY RH |
(a) Remove the rear door courtesy light switch assembly RH.
Click here
(b) Inspect the rear door courtesy light switch assembly RH.
Click here
| NG |
|
|
|
7. |
CHECK HARNESS AND CONNECTOR (REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY RH - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY) |
(a) Disconnect the M5 rear door courtesy light switch assembly RH connector.
(b) Disconnect the 4A instrument panel junction block assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
M5-1 - 4A-31 |
Always |
Below 1 Ω |
|
M5-1 or 4A-31 - Body ground |
Always |
10 kΩ or higher |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
8. |
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 |
|---|---|---|
|
4A-31 - A-2 (RCTY) |
Always |
Below 1 Ω |
| OK |
|
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
|
| NG |
|
REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY
|
|
9. |
INSPECT REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY LH |
(a) Remove the rear door courtesy light switch assembly LH.
Click here
(b) Inspect the rear door courtesy light switch assembly LH.
Click here
| NG |
|
|
|
10. |
CHECK HARNESS AND CONNECTOR (REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY LH - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY) |
(a) Disconnect the N8 rear door courtesy light switch assembly LH connector.
(b) Disconnect the 4H instrument panel junction block assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
N8-1 - 4H-24 |
Always |
Below 1 Ω |
|
N8-1 or 4H-24 - Body ground |
Always |
10 kΩ or higher |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
11. |
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 |
|---|---|---|
|
4H-24 - A-13 (LCTY) |
Always |
Below 1 Ω |
| OK |
|
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
|
| NG |
|
REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY
|
|
|