| Last Modified: 08-21-2023 | 6.11:8.1.0 | Doc ID: RM100000001K2U0 |
| Model Year Start: 2020 | Model: Avalon HV | Prod Date Range: [08/2019 - ] |
| Title: METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM (for HV Model): B150819; Turn Signal/Hazard Flasher Circuit Current Above Threshold; 2020 - 2022 MY Avalon HV [08/2019 - ] | ||
|
DTC |
B150819 |
Turn Signal/Hazard Flasher Circuit Current Above Threshold |
DESCRIPTION
This DTC is stored when the combination meter assembly detects a short in a turn signal light circuit.
HINT:
If there is a short in a turn signal light circuit, all of the turn signal lights in that circuit will not blink.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
Memory |
Note |
|---|---|---|---|---|---|
|
B150819 |
Turn Signal/Hazard Flasher Circuit Current Above Threshold |
Diagnosis Condition:
Malfunction Status:
|
|
DTC stored |
- |
- *: w/ Cornering Light
WIRING DIAGRAM
LH SIDE
RH SIDE
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.
PROCEDURE
|
1. |
CHECK LIGHTS |
(a) Inspect the illumination of each turn signal light.
|
Result |
Proceed to |
|---|---|
|
All LH turn signal lights do not blink |
A |
|
All RH turn signal lights do not blink |
B |
| B |
|
|
|
2. |
CONFIRM MODEL |
(a) Choose the model to be inspected.
|
Result |
Proceed to |
|---|---|
|
w/ Cornering Light |
A |
|
w/o Cornering Light |
B |
| B |
|
|
|
3. |
CHECK LH SIDE LIGHTS (REAR LIGHT ASSEMBLY LH) |
(a) Disconnect the P12 rear light assembly LH connector.
(b) Operate the headlight dimmer switch assembly and check that the LH side turn signal lights other than the rear turn signal light blink.
HINT:
If the LH side turn signal lights blink, the rear light assembly LH is malfunctioning.
|
Result |
Proceed to |
|---|---|
|
LH side turn signal lights blink |
A |
|
LH side turn signal lights do not blink |
B |
| B |
|
|
|
4. |
CHECK REAR LIGHT CORD LH |
(a) Interchange the rear light cord LH with RH and connect the connectors.
Click here
![2019 - 2022 MY Avalon Avalon HV [04/2018 - ]; LIGHTING (EXT): REAR LIGHT ASSEMBLY: DISASSEMBLY](/t3Portal/stylegraphics/info.gif)
(b) Check that the rear turn signal light operates normally.
OK:
Rear turn signal light blinks.
| OK |
|
| NG |
|
|
5. |
CHECK LH SIDE LIGHTS (REAR COMBINATION LIGHT ASSEMBLY LH) |
(a) Connect the P12 rear light assembly LH connector.
(b) Disconnect the P10 rear combination light assembly LH connector.
(c) Operate the headlight dimmer switch assembly and check that the LH side turn signal lights other than the rear turn signal light blink.
HINT:
If the LH side turn signal lights blink, the rear combination light assembly LH is malfunctioning.
|
Result |
Proceed to |
|---|---|
|
LH side turn signal lights blink |
A |
|
LH side turn signal lights do not blink |
B |
| B |
|
|
|
6. |
CHECK REAR COMBINATION LIGHT SOCKET AND WIRE LH |
(a) Interchange the rear combination light socket and wire LH with RH and connect the connectors.
Click here
(b) Check that the rear turn signal light operates normally.
OK:
Rear turn signal light blinks.
| OK |
|
| NG |
|
|
7. |
CHECK HARNESS AND CONNECTOR (REAR COMBINATION LIGHT ASSEMBLY LH AND REAR LIGHT ASSEMBLY LH - COMBINATION METER ASSEMBLY) |
(a) Disconnect the P12 rear light assembly LH connector.
(b) Disconnect the G15 combination meter assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
P10-3 (TRN), P12-3 (B) or G15-10 (TRNL) - Body ground |
Always |
10 kΩ or higher |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
8. |
CHECK LH SIDE LIGHTS (OUTER REAR VIEW MIRROR SUB-ASSEMBLY LH) |
(a) Connect the P10 rear combination light assembly LH connector.
(b) Connect the P12 rear light assembly LH connector.
(c) Connect the G15 combination meter assembly connector.
(d) Disconnect the I28 outer rear view mirror sub-assembly LH*1 connector.
(e) Disconnect the I29 outer rear view mirror sub-assembly LH*2 connector.
(f) Operate the headlight dimmer switch assembly and check that the LH side turn signal lights other than the side turn signal light blink.
HINT:
If the LH side turn signal lights blink, the outer rear view mirror sub-assembly LH is malfunctioning.
- *1: w/o Panoramic View Monitor System
- *2: w/ Panoramic View Monitor System
|
Result |
Proceed to |
|---|---|
|
LH side turn signal lights blink |
A |
|
LH side turn signal lights do not blink |
B |
| B |
|
|
|
9. |
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 |
|
|
10. |
CHECK LH SIDE LIGHTS (HEADLIGHT ASSEMBLY LH) |
(a) Connect the I28 outer rear view mirror sub-assembly LH*1 connector.
(b) Connect the I29 outer rear view mirror sub-assembly LH*2 connector.
(c) Disconnect the A62 headlight assembly LH connector.
(d) Operate the headlight dimmer switch assembly and check that the LH side turn signal lights other than the headlight turn signal light blink.
HINT:
If the LH side turn signal lights blink, the headlight assembly LH is malfunctioning.
- *1: w/o Panoramic View Monitor System
- *2: w/ Panoramic View Monitor System
|
Result |
Proceed to |
|---|---|
|
LH side turn signal lights blink |
A |
|
LH side turn signal lights do not blink |
B |
| B |
|
|
|
11. |
CHECK LH SIDE LIGHTS (HEADLIGHT ECU SUB-ASSEMBLY LH) |
|
*a |
Component without harness connected (Headlight ECU Sub-assembly LH) |
- |
- |
(a) Remove the headlight ECU sub-assembly LH.
Click here
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
B-20 (TURN+) - B-13 (TURN-) or A62-11 (TNS) - A62-12 (GND) |
Always |
10 kΩ or higher |
| OK |
|
| NG |
|
|
12. |
CHECK HARNESS AND CONNECTOR (HEADLIGHT ASSEMBLY LH AND OUTER REAR VIEW MIRROR SUB-ASSEMBLY LH - COMBINATION METER ASSEMBLY) |
(a) Disconnect the G15 combination meter assembly connector.
(b) Disconnect the I28 outer rear view mirror sub-assembly LH*1 connector.
(c) Disconnect the I29 outer rear view mirror sub-assembly LH*2 connector.
(d) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
A62-11 (TNS), I28-4 (B)*1, I29-4 (B)*2 or G15-11 (LL) - Body ground |
Always |
10 kΩ or higher |
- *1: w/o Panoramic View Monitor System
- *2: w/ Panoramic View Monitor System
| OK |
|
REPLACE COMBINATION METER ASSEMBLY
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
13. |
CHECK LH SIDE LIGHTS (REAR COMBINATION LIGHT ASSEMBLY LH) |
(a) Disconnect the P10 rear combination light assembly LH connector.
(b) Operate the headlight dimmer switch assembly and check that the LH side turn signal lights other than the rear turn signal light blink.
HINT:
If the LH side turn signal lights blink, the rear combination light assembly LH is malfunctioning.
|
Result |
Proceed to |
|---|---|
|
LH side turn signal lights blink |
A |
|
LH side turn signal lights do not blink |
B |
| B |
|
|
|
14. |
CHECK REAR COMBINATION LIGHT SOCKET AND WIRE LH |
(a) Interchange the rear combination light socket and wire LH with RH and connect the connectors.
Click here
(b) Check that the rear turn signal light operates normally.
OK:
Rear turn signal light blinks.
| OK |
|
| NG |
|
|
15. |
CHECK HARNESS AND CONNECTOR (REAR COMBINATION LIGHT ASSEMBLY LH - COMBINATION METER ASSEMBLY) |
(a) Disconnect the G15 combination meter assembly connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
P10-3 (TRN) or G15-10 (TRNL) - Body ground |
Always |
10 kΩ or higher |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
16. |
CHECK LH SIDE LIGHTS (OUTER REAR VIEW MIRROR SUB-ASSEMBLY LH) |
(a) Connect the P10 rear combination light assembly LH connector.
(b) Connect the G15 combination meter assembly connector.
(c) Disconnect the I29 outer rear view mirror sub-assembly LH connector.
(d) Operate the headlight dimmer switch assembly and check that the LH side turn signal lights other than the side turn signal light blink.
HINT:
If the LH side turn signal lights blink, the outer rear view mirror sub-assembly LH is malfunctioning.
|
Result |
Proceed to |
|---|---|
|
LH side turn signal lights blink |
A |
|
LH side turn signal lights do not blink |
B |
| B |
|
|
|
17. |
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 |
|
|
18. |
CHECK LH SIDE LIGHTS (HEADLIGHT ASSEMBLY LH) |
(a) Connect the I29 outer rear view mirror sub-assembly LH connector.
(b) Disconnect the A45 headlight assembly LH connector.
(c) Operate the headlight dimmer switch assembly and check that the LH side turn signal lights other than the headlight turn signal light blink.
HINT:
If the LH side turn signal lights blink, the headlight assembly LH is malfunctioning.
|
Result |
Proceed to |
|---|---|
|
LH side turn signal lights blink |
A |
|
LH side turn signal lights do not blink |
B |
| A |
|
|
|
19. |
CHECK HARNESS AND CONNECTOR (HEADLIGHT ASSEMBLY LH AND OUTER REAR VIEW MIRROR SUB-ASSEMBLY LH - COMBINATION METER ASSEMBLY) |
(a) Disconnect the G15 combination meter assembly connector.
(b) Disconnect the I29 outer rear view mirror sub-assembly LH connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
A45-2 (B), I29-4 (B) or G15-11 (LL) - Body ground |
Always |
10 kΩ or higher |
| OK |
|
REPLACE COMBINATION METER ASSEMBLY
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
20. |
CONFIRM MODEL |
(a) Choose the model to be inspected.
|
Result |
Proceed to |
|---|---|
|
w/ Cornering Light |
A |
|
w/o Cornering Light |
B |
| B |
|
|
|
21. |
CHECK RH SIDE LIGHTS (REAR LIGHT ASSEMBLY RH) |
(a) Disconnect the P11 rear light assembly RH connector.
(b) Operate the headlight dimmer switch assembly and check that the RH side turn signal lights other than the rear turn signal light blink.
HINT:
If the RH side turn signal lights blink, the rear light assembly RH is malfunctioning.
|
Result |
Proceed to |
|---|---|
|
RH side turn signal lights blink |
A |
|
RH side turn signal lights do not blink |
B |
| B |
|
|
|
22. |
CHECK REAR LIGHT CORD RH |
(a) Interchange the rear light cord RH with LH and connect the connectors.
Click here
(b) Check that the rear turn signal light operates normally.
OK:
Rear turn signal light blinks.
| OK |
|
| NG |
|
|
23. |
CHECK RH SIDE LIGHTS (REAR COMBINATION LIGHT ASSEMBLY RH) |
(a) Connect the P11 rear light assembly RH connector.
(b) Disconnect the P9 rear combination light assembly RH connector.
(c) Operate the headlight dimmer switch assembly and check that the RH side turn signal lights other than the rear turn signal light blink.
HINT:
If the RH side turn signal lights blink, the rear combination light assembly RH is malfunctioning.
|
Result |
Proceed to |
|---|---|
|
RH side turn signal lights blink |
A |
|
RH side turn signal lights do not blink |
B |
| B |
|
|
|
24. |
CHECK REAR COMBINATION LIGHT SOCKET AND WIRE RH |
(a) Interchange the rear combination light socket and wire RH with LH and connect the connectors.
Click here
(b) Check that the rear turn signal light operates normally.
OK:
Rear turn signal light blinks.
| OK |
|
| NG |
|
|
25. |
CHECK HARNESS AND CONNECTOR (REAR COMBINATION LIGHT ASSEMBLY RH AND REAR LIGHT ASSEMBLY RH - COMBINATION METER ASSEMBLY) |
(a) Disconnect the P11 rear light assembly RH connector.
(b) Disconnect the G15 combination meter assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
P9-3 (TRN), P11-3 (B) or G15-13 (TRNR) - Body ground |
Always |
10 kΩ or higher |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
26. |
CHECK RH SIDE LIGHTS (OUTER REAR VIEW MIRROR SUB-ASSEMBLY RH) |
(a) Connect the P9 rear combination light assembly RH connector.
(b) Connect the P11 rear light assembly RH connector.
(c) Connect the G15 combination meter assembly connector.
(d) Disconnect the I12 outer rear view mirror sub-assembly RH*1 connector.
(e) Disconnect the I13 outer rear view mirror sub-assembly RH*2 connector.
(f) Operate the headlight dimmer switch assembly and check that the RH side turn signal lights other than the side turn signal light blink.
HINT:
If the RH side turn signal lights blink, the outer rear view mirror sub-assembly RH is malfunctioning.
- *1: w/o Panoramic View Monitor System
- *2: w/ Panoramic View Monitor System
|
Result |
Proceed to |
|---|---|
|
RH side turn signal lights blink |
A |
|
RH side turn signal lights do not blink |
B |
| B |
|
|
|
27. |
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 |
|
|
28. |
CHECK RH SIDE LIGHTS (HEADLIGHT ASSEMBLY RH) |
(a) Connect the I12 outer rear view mirror sub-assembly RH*1 connector.
(b) Connect the I13 outer rear view mirror sub-assembly RH*2 connector.
(c) Disconnect the A63 headlight assembly RH connector.
(d) Operate the headlight dimmer switch assembly and check that the RH side turn signal lights other than the headlight turn signal light blink.
HINT:
If the RH side turn signal lights blink, the headlight assembly RH is malfunctioning.
- *1: w/o Panoramic View Monitor System
- *2: w/ Panoramic View Monitor System
|
Result |
Proceed to |
|---|---|
|
RH side turn signal lights blink |
A |
|
RH side turn signal lights do not blink |
B |
| B |
|
|
|
29. |
CHECK RH SIDE LIGHTS (HEADLIGHT ECU SUB-ASSEMBLY RH) |
|
*a |
Component without harness connected (Headlight ECU Sub-assembly RH) |
- |
- |
(a) Remove the headlight ECU sub-assembly RH.
Click here
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
C-20 (TURN+) - C-13 (TURN-) or A63-11 (TNS) - A63-12 (GND) |
Always |
10 kΩ or higher |
| OK |
|
| NG |
|
|
30. |
CHECK HARNESS AND CONNECTOR (HEADLIGHT ASSEMBLY RH AND OUTER REAR VIEW MIRROR SUB-ASSEMBLY RH - COMBINATION METER ASSEMBLY) |
(a) Disconnect the G15 combination meter assembly connector.
(b) Disconnect the I12 outer rear view mirror sub-assembly RH*1 connector.
(c) Disconnect the I13 outer rear view mirror sub-assembly RH*2 connector.
(d) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
A63-11 (TNS), I12-4 (B)*1, I13-4 (B)*2 or G15-7 (LR) - Body ground |
Always |
10 kΩ or higher |
- *1: w/o Panoramic View Monitor System
- *2: w/ Panoramic View Monitor System
| OK |
|
REPLACE COMBINATION METER ASSEMBLY
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
31. |
CHECK RH SIDE LIGHTS (REAR COMBINATION LIGHT ASSEMBLY RH) |
(a) Disconnect the P9 rear combination light assembly RH connector.
(b) Operate the headlight dimmer switch assembly and check that the RH side turn signal lights other than the rear turn signal light blink.
HINT:
If the RH side turn signal lights blink, the rear combination light assembly RH is malfunctioning.
|
Result |
Proceed to |
|---|---|
|
RH side turn signal lights blink |
A |
|
RH side turn signal lights do not blink |
B |
| B |
|
|
|
32. |
CHECK REAR COMBINATION LIGHT SOCKET AND WIRE RH |
(a) Interchange the rear combination light socket and wire RH with LH and connect the connectors.
Click here
(b) Check that the rear turn signal light operates normally.
OK:
Rear turn signal light blinks.
| OK |
|
| NG |
|
|
33. |
CHECK HARNESS AND CONNECTOR (REAR COMBINATION LIGHT ASSEMBLY RH - COMBINATION METER ASSEMBLY) |
(a) Disconnect the G15 combination meter assembly connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
P9-3 (TRN) or G15-13 (TRNR) - Body ground |
Always |
10 kΩ or higher |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
34. |
CHECK RH SIDE LIGHTS (OUTER REAR VIEW MIRROR SUB-ASSEMBLY RH) |
(a) Connect the P9 rear combination light assembly RH connector.
(b) Connect the G15 combination meter assembly connector.
(c) Disconnect the I13 outer rear view mirror sub-assembly RH connector.
(d) Operate the headlight dimmer switch assembly and check that the RH side turn signal lights other than the side turn signal light blink.
HINT:
If the RH side turn signal lights blink, the outer rear view mirror sub-assembly RH is malfunctioning.
|
Result |
Proceed to |
|---|---|
|
RH side turn signal lights blink |
A |
|
RH side turn signal lights do not blink |
B |
| B |
|
|
|
35. |
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 |
|
|
36. |
CHECK RH SIDE LIGHTS (HEADLIGHT ASSEMBLY RH) |
(a) Connect the I13 outer rear view mirror sub-assembly RH connector.
(b) Disconnect the A44 headlight assembly RH connector.
(c) Operate the headlight dimmer switch assembly and check that the RH side turn signal lights other than the headlight turn signal light blink.
HINT:
If the RH side turn signal lights blink, the headlight assembly RH is malfunctioning.
|
Result |
Proceed to |
|---|---|
|
RH side turn signal lights blink |
A |
|
RH side turn signal lights do not blink |
B |
| A |
|
|
|
37. |
CHECK HARNESS AND CONNECTOR (HEADLIGHT ASSEMBLY RH AND OUTER REAR VIEW MIRROR SUB-ASSEMBLY RH - COMBINATION METER ASSEMBLY) |
(a) Disconnect the G15 combination meter assembly connector.
(b) Disconnect the I13 outer rear view mirror sub-assembly RH connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
A44-2 (B), I13-4 (B) or G15-7 (LR) - Body ground |
Always |
10 kΩ or higher |
| OK |
|
REPLACE COMBINATION METER ASSEMBLY
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|