| Last Modified: 01-30-2024 | 6.11:8.1.0 | Doc ID: RM100000001FNKP |
| Model Year Start: 2019 | Model: RAV4 | Prod Date Range: [11/2018 - 02/2019] |
| Title: METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM: B150718; Turn Signal Light Circuit Current Below Threshold; 2019 MY RAV4 RAV4 HV [11/2018 - 02/2019] | ||
|
DTC |
B150718 |
Turn Signal Light Circuit Current Below Threshold |
DESCRIPTION
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
|---|---|---|---|
|
B150718 |
Turn Signal Light Circuit Current Below Threshold |
Diagnosis Condition:
Malfunction Status:
|
|
- *1: w/ Headlight ECU
- *2: w/ Side Turn Signal Light
- *3: w/ Side Marker Light
- *4: w/o Side Marker Light
WIRING DIAGRAM
w/ Headlight ECU:
w/o Headlight ECU:
CAUTION / NOTICE / HINT
NOTICE:
- When replacing the combination meter assembly, always replace it with a new one. If a combination meter assembly which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored.
- Inspect the bulbs before performing the following procedure.
-
w/ Headlight ECU:
If the headlight ECU sub-assembly LH has been replaced, it is necessary to synchronize the vehicle information and initialize the headlight ECU sub-assembly LH.
Click here
![2019 - 2021 MY RAV4 RAV4 HV [11/2018 - 12/2021]; LIGHTING (EXT): LIGHTING SYSTEM (w/ Headlight ECU without AFS): INITIALIZATION](/t3Portal/stylegraphics/info.gif)
PROCEDURE
|
1. |
CHECK VEHICLE TYPE |
(a) Check vehicle condition.
Result |
Proceed to |
|---|---|
|
w/ Headlight ECU |
A |
|
w/o Headlight ECU |
B |
| B |
|
|
|
2. |
INSPECT LIGHTS |
(a) Inspect the illumination of each turn signal light.
|
Result |
Proceed to |
|---|---|
|
Front turn signal light LH and side turn signal light LH do not blink. |
A |
|
Front turn signal light RH and side turn signal light RH do not blink. |
B |
|
Front turn signal light LH does not blink. |
C |
|
Side turn signal light LH does not blink. |
D |
|
Front turn signal light RH does not blink. |
E |
|
Side turn signal light RH does not blink. |
F |
|
Rear turn signal light LH does not blink. |
G |
|
Rear turn signal light RH does not blink. |
H |
| B |
|
| C |
|
| D |
|
| E |
|
| F |
|
| G |
|
| H |
|
|
|
3. |
CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - HEADLIGHT ECU SUB-ASSEMBLY LH) |
(a) Disconnect the G19 combination meter assembly connector.
(b) Disconnect the A11 headlight ECU sub-assembly LH connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
G19-1 (LL) - A11-11 (TNS) |
Always |
Below 1 Ω |
| OK |
|
|
|
4. |
CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY) |
(a) Disconnect the G19 combination meter assembly 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 |
|---|---|---|
|
G19-1 (LL) - 4A-5 |
Always |
Below 1 Ω |
| OK |
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
5. |
CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - HEADLIGHT ECU SUB-ASSEMBLY RH) |
(a) Disconnect the G19 combination meter assembly connector.
(b) Disconnect the A12 headlight ECU sub-assembly RH connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
G19-2 (LR) - A12-11 (TNS) |
Always |
Below 1 Ω |
| OK |
|
|
|
6. |
CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY) |
(a) Disconnect the G19 combination meter assembly 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 |
|---|---|---|
|
G19-2 (LR) - 4A-4 |
Always |
Below 1 Ω |
| OK |
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
7. |
CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - HEADLIGHT ECU SUB-ASSEMBLY LH) |
(a) Disconnect the G19 combination meter assembly connector.
(b) Disconnect the A11 headlight ECU sub-assembly LH connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
G19-1 (LL) - A11-11 (TNS) |
Always |
Below 1 Ω |
| NG |
|
|
|
8. |
INSPECT HEADLIGHT UNIT ASSEMBLY LH |
|
(a) Remove the headlight unit assembly LH. for Triple Beam Headlight: Click here
for Single Beam Headlight: Click here
|
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
B-9 - C-1 |
Always |
Below 1 Ω |
|
B-13 - C-2 |
Always |
Below 1 Ω |
| NG |
|
REPLACE HEADLIGHT UNIT ASSEMBLY LH for Triple Beam Headlight: Click here
for Single Beam Headlight: Click here
|
|
|
9. |
INSPECT FRONT SIDE TURN SIGNAL LIGHT SOCKET |
|
(a) Remove the headlight ECU sub-assembly LH. Click here
|
|
(b) Apply auxiliary battery voltage to the headlight unit assembly LH and check that the light illuminates.
OK:
|
Condition |
Specified Condition |
|---|---|
|
Auxiliary battery positive (+) → B-9 Auxiliary battery negative (-) → B-13 |
Turn signal light illuminates |
| OK |
|
| NG |
|
REPLACE FRONT SIDE TURN SIGNAL LIGHT SOCKET for Triple Beam Headlight: Click here
for Single Beam Headlight: Click here
|
|
10. |
CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - HEADLIGHT ECU SUB-ASSEMBLY LH) |
(a) Disconnect the 4F instrument panel junction block assembly connector.
(b) Disconnect the A11 headlight ECU sub-assembly LH connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
4F-6 - A11-11 (TNS) |
Always |
Below 1 Ω |
| OK |
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
11. |
INSPECT OUTER REAR VIEW MIRROR ASSEMBLY LH |
(a) Remove the outer rear view mirror assembly LH.
Click here
(b) Inspect the outer rear view mirror assembly LH.
Click here
| NG |
|
|
|
12. |
CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - OUTER REAR VIEW MIRROR ASSEMBLY LH) |
(a) Disconnect the 4H instrument panel junction block assembly connector.
(b) Disconnect the J13 outer rear view mirror assembly LH connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
4H-14 - J13-1 (B) |
Always |
Below 1 Ω |
| OK |
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
13. |
INSPECT SIDE TURN SIGNAL LIGHT ASSEMBLY LH |
(a) Remove the side turn signal light assembly LH.
Click here
(b) Inspect the side turn signal light assembly LH.
Click here
| OK |
|
| NG |
|
|
14. |
CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - HEADLIGHT ECU SUB-ASSEMBLY RH) |
(a) Disconnect the G19 combination meter assembly connector.
(b) Disconnect the A12 headlight ECU sub-assembly RH connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
G19-2 (LR) - A12-11 (TNS) |
Always |
Below 1 Ω |
| NG |
|
|
|
15. |
INSPECT HEADLIGHT UNIT ASSEMBLY RH |
|
(a) Remove the headlight unit assembly RH. for Triple Beam Headlight: Click here
for Single Beam Headlight: Click here
|
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
B-9 - C-1 |
Always |
Below 1 Ω |
|
B-13 - C-2 |
Always |
Below 1 Ω |
| NG |
|
REPLACE HEADLIGHT UNIT ASSEMBLY RH for Triple Beam Headlight: Click here
for Single Beam Headlight: Click here
|
|
|
16. |
INSPECT FRONT SIDE TURN SIGNAL LIGHT SOCKET |
|
(a) Remove the headlight ECU sub-assembly RH. Click here
|
|
(b) Apply auxiliary battery voltage to the headlight unit assembly RH and check that the light illuminates.
OK:
|
Condition |
Specified Condition |
|---|---|
|
Auxiliary battery positive (+) → B-9 Auxiliary battery negative (-) → B-13 |
Turn signal light illuminates |
| OK |
|
| NG |
|
REPLACE FRONT SIDE TURN SIGNAL LIGHT SOCKET for Triple Beam Headlight: Click here
for Single Beam Headlight: Click here
|
|
17. |
CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - HEADLIGHT ECU SUB-ASSEMBLY RH) |
(a) Disconnect the 4F instrument panel junction block assembly connector.
(b) Disconnect the A12 headlight ECU sub-assembly RH connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
4F-8 - A12-11 (TNS) |
Always |
Below 1 Ω |
| OK |
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
18. |
INSPECT OUTER REAR VIEW MIRROR ASSEMBLY RH |
(a) Remove the outer rear view mirror assembly RH.
Click here
(b) Inspect the outer rear view mirror assembly RH.
Click here
| NG |
|
|
|
19. |
CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - OUTER REAR VIEW MIRROR ASSEMBLY RH) |
(a) Disconnect the 4H instrument panel junction block assembly connector.
(b) Disconnect the I13 outer rear view mirror assembly RH connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
4H-16 - I13-1 (B) |
Always |
Below 1 Ω |
| OK |
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
20. |
INSPECT SIDE TURN SIGNAL LIGHT ASSEMBLY RH |
(a) Remove the side turn signal light assembly RH.
Click here
(b) Inspect the side turn signal light assembly RH.
Click here
| OK |
|
| NG |
|
|
21. |
CHECK HARNESS AND CONNECTOR (REAR COMBINATION LIGHT SOCKET AND WIRE LH - COMBINATION METER ASSEMBLY AND BODY GROUND) |
(a) Disconnect the N18 rear combination light socket and wire LH connector.
(b) Disconnect the G19 combination meter assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
N18-4 (TRN) - G19-5 (TRNL) |
Always |
Below 1 Ω |
|
N18-3 (E) - Body ground |
Always |
Below 1 Ω |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
22. |
INSPECT REAR COMBINATION LIGHT SOCKET AND WIRE LH |
|
(a) Disconnect the N18 rear combination light socket and wire LH connector. |
|
(b) Apply auxiliary battery voltage to the rear combination light socket and wire LH and check that the light illuminates.
OK:
|
Condition |
Specified Condition |
|---|---|
|
Auxiliary battery positive (+) → Terminal 4 (TRN) Auxiliary battery negative (-) → Terminal 3 (E) |
Turn signal light illuminates |
| OK |
|
| NG |
|
|
23. |
CHECK HARNESS AND CONNECTOR (REAR COMBINATION LIGHT SOCKET AND WIRE RH - COMBINATION METER ASSEMBLY AND BODY GROUND) |
(a) Disconnect the M14 rear combination light socket and wire RH connector.
(b) Disconnect the G19 combination meter assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
M14-4 (TRN) - G19-6 (TRNR) |
Always |
Below 1 Ω |
|
M14-3 (E) - Body ground |
Always |
Below 1 Ω |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
24. |
INSPECT REAR COMBINATION LIGHT SOCKET AND WIRE RH |
|
(a) Disconnect the M14 rear combination light socket and wire RH connector. |
|
(b) Apply auxiliary battery voltage to the rear combination light socket and wire RH and check that the light illuminates.
Standard Voltage:
|
Condition |
Specified Condition |
|---|---|
|
Auxiliary battery positive (+) → Terminal 4 (TRN) Auxiliary battery negative (-) → Terminal 3 (E) |
Turn signal light illuminates |
| OK |
|
| NG |
|
|
25. |
INSPECT LIGHTS |
(a) Inspect the illumination of each turn signal light.
|
Result |
Proceed to |
|---|---|
|
Front turn signal light LH and side turn signal light LH do not blink (w/ Side Turn Signal Light). |
A |
|
Front turn signal light RH and side turn signal light RH do not blink (w/ Side Turn Signal Light). |
B |
|
Front turn signal light LH does not blink. |
C |
|
Side turn signal light LH does not blink (w/ Side Turn Signal Light). |
D |
|
Front turn signal light RH does not blink. |
E |
|
Side turn signal light RH does not blink (w/ Side Turn Signal Light). |
F |
|
Rear turn signal light LH does not blink. |
G |
|
Rear turn signal light RH does not blink. |
H |
| B |
|
| C |
|
| D |
|
| E |
|
| F |
|
| G |
|
| H |
|
|
|
26. |
CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - FRONT TURN SIGNAL LIGHT SOCKET) |
(a) Disconnect the G19 combination meter assembly connector.
(b) Disconnect the A60 front turn signal light socket connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
G19-1 (LL) - A60-1 (B) |
Always |
Below 1 Ω |
| OK |
|
|
|
27. |
CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY) |
(a) Disconnect the G19 combination meter assembly 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 |
|---|---|---|
|
G19-1 (LL) - 4A-5 |
Always |
Below 1 Ω |
| OK |
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
28. |
CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - FRONT TURN SIGNAL LIGHT SOCKET) |
(a) Disconnect the G19 combination meter assembly connector.
(b) Disconnect the A59 front turn signal light socket connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
G19-2 (LR) - A59-1 (B) |
Always |
Below 1 Ω |
| OK |
|
|
|
29. |
CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY) |
(a) Disconnect the G19 combination meter assembly 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 |
|---|---|---|
|
G19-2 (LR) - 4A-4 |
Always |
Below 1 Ω |
| OK |
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
30. |
CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - FRONT TURN SIGNAL LIGHT SOCKET) |
(a) Disconnect the G19 combination meter assembly connector.
(b) Disconnect the A60 front turn signal light socket connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
G19-1 (LL) - A60-1 (B) |
Always |
Below 1 Ω |
|
Result |
Proceed to |
|---|---|
|
OK (w/ Side Turn Signal Light) |
A |
|
OK (w/o Side Turn Signal Light) |
B |
|
NG |
C |
| A |
|
| C |
|
|
|
31. |
INSPECT FRONT TURN SIGNAL LIGHT SOCKET |
|
(a) Remove the front turn signal light socket. Click here
|
|
(b) Apply auxiliary battery voltage to the front turn signal light socket and check that the light illuminates.
Standard Voltage:
|
Condition |
Specified Condition |
|---|---|
|
Auxiliary battery positive (+) → Terminal 1 (B) Auxiliary battery negative (-) → Terminal 2 (E) |
Turn signal light illuminates |
| OK |
|
| NG |
|
|
32. |
CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - FRONT TURN SIGNAL LIGHT SOCKET) |
(a) Disconnect the 4F instrument panel junction block assembly connector.
(b) Disconnect the A60 front turn signal light socket connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
4F-6 - A60-1 (B) |
Always |
Below 1 Ω |
| OK |
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
33. |
CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - FRONT TURN SIGNAL LIGHT SOCKET) |
(a) Disconnect the G19 combination meter assembly connector.
(b) Disconnect the A59 front turn signal light socket connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
G19-2 (LR) - A59-1 (B) |
Always |
Below 1 Ω |
|
Result |
Proceed to |
|---|---|
|
OK (w/ Side Turn Signal Light) |
A |
|
OK (w/o Side Turn Signal Light) |
B |
|
NG |
C |
| A |
|
| C |
|
|
|
34. |
INSPECT FRONT TURN SIGNAL LIGHT SOCKET |
|
(a) Remove the front turn signal light socket. Click here
|
|
(b) Apply auxiliary battery voltage to the front turn signal light socket and check that the light illuminates.
Standard Voltage:
|
Condition |
Specified Condition |
|---|---|
|
Auxiliary battery positive (+) → Terminal 1 (B) Auxiliary battery negative (-) → Terminal 2 (E) |
Turn signal light illuminates |
| OK |
|
| NG |
|
|
35. |
CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - FRONT TURN SIGNAL LIGHT SOCKET) |
(a) Disconnect the 4F instrument panel junction block assembly connector.
(b) Disconnect the A59 front turn signal light socket connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
4F-8 - A59-1 (B) |
Always |
Below 1 Ω |
| OK |
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|