| Last Modified: 05-08-2025 | 6.11:8.1.0 | Doc ID: RM100000001FAIA |
| Model Year Start: 2019 | Model: RAV4 | Prod Date Range: [11/2018 - ] |
| Title: PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: Power Source Circuit; 2019 - 2025 MY RAV4 RAV4 HV [11/2018 - ] | ||
|
Power Source Circuit |
DESCRIPTION
This circuit provides power to operate the blind spot monitor sensor.
WIRING DIAGRAM
for Gasoline Model
for HV Model
CAUTION / NOTICE / HINT
HINT:
-
w/o Stop and Start system:
Inspect the fuses for circuits related to this system before performing the following procedure.
-
w/ Stop and Start system:
The blind spot monitor system troubleshooting procedure is based on the premise that the stop and start system is operating normally. Check the stop and start system first before troubleshooting the blind spot monitor system.
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![2019 - 2023 MY RAV4 [11/2018 - 10/2023]; STOP AND START: STOP AND START SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING](/t3Portal/stylegraphics/info.gif)
PROCEDURE
|
1. |
CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR LH POWER SOURCE) |
|
(a) Disconnect the blind spot monitor sensor LH connector. |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
Q1-5 (BLB) - Body ground |
Ignition switch ON |
10.5 to 16 V*1 11 to 14 V*2 |
|
Q1-5 (BLB) - Body ground |
Ignition switch off |
Below 1 V |
*1: w/ Stop and Start System
*2: w/o Stop and Start System
|
Result |
Proceed to |
|---|---|
|
OK |
A |
|
NG (w/o Stop and Start System) |
B |
|
NG (w/ Stop and Start System) |
C |
| B |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| C |
|
GO TO STOP AND START SYSTEM
|
|
|
2. |
CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR LH - BODY GROUND) |
|
(a) Disconnect the blind spot monitor sensor LH connector. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
Q1-10 (BLGD) - Body ground |
Always |
Below 1 Ω |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
3. |
CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR RH POWER SOURCE) |
|
(a) Disconnect the blind spot monitor sensor RH connector. |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
Q13-5 (BRB) - Body ground |
Ignition switch ON |
10.5 to 16 V*1 11 to 14 V*2 |
|
Q13-5 (BRB) - Body ground |
Ignition switch off |
Below 1 V |
*1: w/ Stop and Start System
*2: w/o Stop and Start System
|
Result |
Proceed to |
|---|---|
|
OK |
A |
|
NG (w/o Stop and Start System) |
B |
|
NG (w/ Stop and Start System) |
C |
| B |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| C |
|
GO TO STOP AND START SYSTEM
|
|
|
4. |
CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR RH - BODY GROUND) |
|
(a) Disconnect the blind spot monitor sensor RH connector. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
Q13-10 (BRGD) - Body ground |
Always |
Below 1 Ω |
| OK |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|