This DTC is stored when the combination meter assembly detects a short in a turn signal light circuit.
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 |
|---|---|---|---|
| B150819 | Turn Signal/Hazard Flasher Circuit Current Above Threshold | Diagnosis Condition:
Auxiliary battery voltage is 10 V or more Malfunction Status: Short in turn signal light circuit |
·
Headlight assembly -
Front turn signal light socket*1 -
Front turn signal light bulb*1 ·
Rear combination light assembly -
Rear turn signal light socket -
Rear turn signal light bulb ·
Outer rear view mirror assembly -
Side turn signal light assembly ·
Harness or connector ·
Combination meter assembly |
*1: for Halogen Headlight
Production Date from 2022/01 to 2023/04
Production Date from 2023/04
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 turn signal light bulbs before performing the following procedure.
When replacing the combination meter assembly, update the ECU security key
Check the problem symptoms.
| Result | Proceed to |
|---|---|
| All LH side turn signal lights do not blink | A |
| All RH side turn signal lights do not blink | B |
A
B
Choose the model to be inspected.
| Result | Proceed to |
|---|---|
| for Halogen Headlight | A |
| for LED Headlight | B |
A
B
Disconnect the A141 headlight assembly LH connector.
Operate the turn signal switch and check that the LH side turn signal lights other than the front turn signal light blink.
If the LH side turn signal lights other than the front turn signal light blink, the front turn signal light socket is malfunctioning.
| Result | Proceed to |
|---|---|
| LH side turn signal lights other than the front turn signal light blink | A |
| Problem symptoms do not change
(All LH side turn signal lights do not blink) |
B |
A
B
Connect the headlight assembly LH connector.
Disconnect the L20 outer rear view mirror assembly LH connector.
Operate the turn signal switch and check that the LH side turn signal lights other than the side turn signal light blink.
If the LH side turn signal lights other than the side turn signal light blink, a component of the outer rear view mirror assembly LH is malfunctioning.
| Result | Proceed to |
|---|---|
| LH side turn signal lights other than the side turn signal light blink | A |
| Problem symptoms do not change
(All LH side turn signal lights do not blink) |
B |
A
B
Remove the side turn signal light assembly LH from outer rear view mirror assembly LH.
Connect the wire harness connector to the outer rear view mirror assembly LH connector.
Operate the turn signal switch and check that the LH side turn signal lights other than the side turn signal light blink.
If all LH side turn signal lights do not blink, the outer rear view mirror assembly LH is malfunctioning.
| Result | Proceed to |
|---|---|
| LH side turn signal lights other than the side turn signal light blink | A |
| All LH side turn signal lights do not blink | B |
A
B
Connect the outer rear view mirror assembly LH connector.
Disconnect the S1 rear combination light assembly LH connector.
Operate the turn signal switch and check that the LH rear turn signal lights other than the rear turn signal light blink.
If the LH side turn signal lights other than the rear turn signal light blink, the rear turn signal light socket is malfunctioning.
| Result | Proceed to |
|---|---|
| LH rear turn signal lights other than the rear turn signal light blink | A |
| Problem symptoms do not change
(All LH side turn signal lights do not blink) |
B |
A
B
Choose the model to be inspected.
| Result | Proceed to |
|---|---|
| Production Date from 2022/01 to 2023/04 | A |
| Production Date from 2023/04 | B |
A
B
Disconnect the A141 headlight assembly LH connector.
Disconnect the L20 outer rear view mirror assembly LH connector.
Disconnect the I5 combination meter assembly connector.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| A141-1 (B) or I5-1 (LL) - Body ground | Always | 10 kΩ or higher |
| L20-4 (B), S1-1 (B) or I5-5 (TRNL) - Body ground | Always | 10 kΩ or higher |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Disconnect the A141 headlight assembly LH connector.
Disconnect the L20 outer rear view mirror assembly LH connector.
Disconnect the I5 combination meter assembly connector.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| A141-1 (B) or I5-5 (LL) - Body ground | Always | 10 kΩ or higher |
| L20-4 (B), S1-1 (B) or I5-22 (TRNL) - Body ground | Always | 10 kΩ or higher |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Choose the model to be inspected.
| Result | Proceed to |
|---|---|
| Production Date from 2022/01 to 2023/04 | A |
| Production Date from 2023/04 | B |
A
B
Disconnect the A133*1 or A176*2 headlight assembly LH connector.
*1: for TFTM Made
*2: for GTMC Made
Operate the turn signal switch and check that the LH side turn signal lights other than the front turn signal light blink.
If the LH side turn signal lights other than the front turn signal light blink, the headlight front turn signal LED is malfunctioning.
| Result | Proceed to |
|---|---|
| LH side turn signal lights other than the front turn signal light blink | A |
| Problem symptoms do not change
(All LH side turn signal lights do not blink) |
B |
A
B
Connect the headlight assembly LH connector.
Disconnect the L17*1 or L20*2 outer rear view mirror assembly LH connector.
*1: w/ Panoramic View Monitor System
*2: w/o Panoramic View Monitor System
Operate the turn signal switch and check that the LH side turn signal lights other than the side turn signal light blink.
If the LH side turn signal lights other than the side turn signal light blink, a component of the outer rear view mirror assembly LH is malfunctioning.
| Result | Proceed to |
|---|---|
| LH side turn signal lights other than the side turn signal light blink | A |
| Problem symptoms do not change
(All LH side turn signal lights do not blink) |
B |
A
B
Remove the side turn signal light assembly LH from outer rear view mirror assembly LH.
Connect the wire harness connector to the outer rear view mirror assembly LH connector.
Operate the turn signal switch and check that the LH side turn signal lights other than the side turn signal light blink.
If all LH side turn signal lights do not blink, the outer rear view mirror assembly LH is malfunctioning.
| Result | Proceed to |
|---|---|
| LH side turn signal lights other than the side turn signal light blink | A |
| All LH side turn signal lights do not blink | B |
A
B
Connect the outer rear view mirror assembly LH connector.
Disconnect the S1 rear combination light assembly LH connector.
Operate the turn signal switch and check that the LH rear turn signal lights other than the rear turn signal light blink.
If the LH side turn signal lights other than the rear turn signal light blink, the rear turn signal light socket is malfunctioning.
| Result | Proceed to |
|---|---|
| LH rear turn signal lights other than the rear turn signal light blink | A |
| Problem symptoms do not change
(All LH side turn signal lights do not blink) |
B |
A
B
Disconnect the A133*1 or A176*2 headlight assembly LH connector.
*1: for TFTM Made
*2: for GTMC Made
Disconnect the L17*3 or L20*4 outer rear view mirror assembly LH connector.
*3: w/ Panoramic View Monitor System
*4: w/o Panoramic View Monitor System
Disconnect the I5 combination meter assembly connector.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| A133-2 (B) or I5-1 (LL) - Body ground*1 | Always | 10 kΩ or higher |
| A176-7 (B) or I5-1 (LL) - Body ground*2 | Always | 10 kΩ or higher |
| L17-8 (B), S1-1 (B) or I5-5 (TRNL) - Body ground*3 | Always | 10 kΩ or higher |
| L20-4 (B), S1-1 (B) or I5-5 (TRNL) - Body ground*4 | Always | 10 kΩ or higher |
*1: for TFTM Made
*2: for GTMC Made
*3: w/ Panoramic View Monitor System
*4: w/o Panoramic View Monitor System
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Disconnect the A133*1 or A176*2 headlight assembly LH connector.
*1: for TFTM Made
*2: for GTMC Made
Operate the turn signal switch and check that the LH side turn signal lights other than the front turn signal light blink.
If the LH side turn signal lights other than the front turn signal light blink, the headlight front turn signal LED is malfunctioning.
| Result | Proceed to |
|---|---|
| LH side turn signal lights other than the front turn signal light blink | A |
| Problem symptoms do not change
(All LH side turn signal lights do not blink) |
B |
A
B
Connect the headlight assembly LH connector.
Disconnect the L17*1 or L20*2 outer rear view mirror assembly LH connector.
*1: w/ Panoramic View Monitor System
*2: w/o Panoramic View Monitor System
Operate the turn signal switch and check that the LH side turn signal lights other than the side turn signal light blink.
If the LH side turn signal lights other than the side turn signal light blink, a component of the outer rear view mirror assembly LH is malfunctioning.
| Result | Proceed to |
|---|---|
| LH side turn signal lights other than the side turn signal light blink | A |
| Problem symptoms do not change
(All LH side turn signal lights do not blink) |
B |
A
B
Remove the side turn signal light assembly LH from outer rear view mirror assembly LH.
Connect the wire harness connector to the outer rear view mirror assembly LH connector.
Operate the turn signal switch and check that the LH side turn signal lights other than the side turn signal light blink.
If all LH side turn signal lights do not blink, the outer rear view mirror assembly LH is malfunctioning.
| Result | Proceed to |
|---|---|
| LH side turn signal lights other than the side turn signal light blink | A |
| All LH side turn signal lights do not blink | B |
A
B
Connect the outer rear view mirror assembly LH connector.
Disconnect the S1 rear combination light assembly LH connector.
Operate the turn signal switch and check that the LH rear turn signal lights other than the rear turn signal light blink.
If the LH side turn signal lights other than the rear turn signal light blink, the rear turn signal light socket is malfunctioning.
| Result | Proceed to |
|---|---|
| LH rear turn signal lights other than the rear turn signal light blink | A |
| Problem symptoms do not change
(All LH side turn signal lights do not blink) |
B |
A
B
Disconnect the A133*1 or A176*2 headlight assembly LH connector.
*1: for TFTM Made
*2: for GTMC Made
Disconnect the L17*3 or L20*4 outer rear view mirror assembly LH connector.
*3: w/ Panoramic View Monitor System
*4: w/o Panoramic View Monitor System
Disconnect the I5 combination meter assembly connector.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| A133-2 (B) or I5-5 (LL) - Body ground*1 | Always | 10 kΩ or higher |
| A176-7 (B) or I5-5 (LL) - Body ground*2 | Always | 10 kΩ or higher |
| L17-8 (B), S1-1 (B) or I5-22 (TRNL) - Body ground*3 | Always | 10 kΩ or higher |
| L20-4 (B), S1-1 (B) or I5-22 (TRNL) - Body ground*4 | Always | 10 kΩ or higher |
*1: for TFTM Made
*2: for GTMC Made
*3: w/ Panoramic View Monitor System
*4: w/o Panoramic View Monitor System
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Choose the model to be inspected.
| Result | Proceed to |
|---|---|
| for Halogen Headlight | A |
| for LED Headlight | B |
A
B
Disconnect the A146 headlight assembly RH connector.
Operate the turn signal switch and check that the RH side turn signal lights other than the front turn signal light blink.
If the RH side turn signal lights other than the front turn signal light blink, the front turn signal light socket is malfunctioning.
| Result | Proceed to |
|---|---|
| RH side turn signal lights other than the front turn signal light blink | A |
| Problem symptoms do not change
(All RH side turn signal lights do not blink) |
B |
A
B
Connect the headlight assembly RH connector.
Disconnect the K17 outer rear view mirror assembly RH connector.
Operate the turn signal switch and check that the RH side turn signal lights other than the side turn signal light blink.
If the RH side turn signal lights other than the side turn signal light blink, a component of the outer rear view mirror assembly RH is malfunctioning.
| Result | Proceed to |
|---|---|
| RH side turn signal lights other than the side turn signal light blink | A |
| Problem symptoms do not change
(All RH side turn signal lights do not blink) |
B |
A
B
Remove the side turn signal light assembly RH from outer rear view mirror assembly RH.
Connect the wire harness connector to the outer rear view mirror assembly RH connector.
Operate the turn signal switch and check that the RH side turn signal lights other than the side turn signal light blink.
If all RH side turn signal lights do not blink, the outer rear view mirror assembly RH is malfunctioning.
| Result | Proceed to |
|---|---|
| RH side turn signal lights other than the side turn signal light blink | A |
| All RH side turn signal lights do not blink | B |
A
B
Connect the outer rear view mirror assembly RH connector.
Disconnect the S4 rear combination light assembly RH connector.
Operate the turn signal switch and check that the RH rear turn signal lights other than the rear turn signal light blink.
If the RH side turn signal lights other than the rear turn signal light blink, the rear turn signal light socket is malfunctioning.
| Result | Proceed to |
|---|---|
| RH rear turn signal lights other than the rear turn signal light blink | A |
| Problem symptoms do not change
(All RH side turn signal lights do not blink) |
B |
A
B
Choose the model to be inspected.
| Result | Proceed to |
|---|---|
| Production Date from 2022/01 to 2023/04 | A |
| Production Date from 2023/04 | B |
A
B
Disconnect the A146 headlight assembly RH connector.
Disconnect the K21 outer rear view mirror assembly RH connector.
Disconnect the I5 combination meter assembly connector.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| A146-1 (B) or I5-2 (LR) - Body ground | Always | 10 kΩ or higher |
| K21-4 (B), S1-1 (B) or I5-6 (TRNR) - Body ground | Always | 10 kΩ or higher |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Disconnect the A146 headlight assembly RH connector.
Disconnect the K21 outer rear view mirror assembly RH connector.
Disconnect the I5 combination meter assembly connector.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| A146-1 (B) or I5-6 (LR) - Body ground | Always | 10 kΩ or higher |
| K21-4 (B), S1-1 (B) or I5-21 (TRNR) - Body ground | Always | 10 kΩ or higher |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Choose the model to be inspected.
| Result | Proceed to |
|---|---|
| Production Date from 2022/01 to 2023/04 | A |
| Production Date from 2023/04 | B |
A
B
Disconnect the A136*1 or A175*2 headlight assembly RH connector.
*1: for TFTM Made
*2: for GTMC Made
Operate the turn signal switch and check that the RH side turn signal lights other than the front turn signal light blink.
If the RH side turn signal lights other than the front turn signal light blink, the headlight front turn signal LED is malfunctioning.
| Result | Proceed to |
|---|---|
| RH side turn signal lights other than the front turn signal light blink | A |
| Problem symptoms do not change
(All RH side turn signal lights do not blink) |
B |
A
B
Connect the headlight assembly RH connector.
Disconnect the K17*1 or K21*2 outer rear view mirror assembly RH connector.
*1: w/ Panoramic View Monitor System
*2: w/o Panoramic View Monitor System
Operate the turn signal switch and check that the RH side turn signal lights other than the side turn signal light blink.
If the RH side turn signal lights other than the side turn signal light blink, a component of the outer rear view mirror assembly RH is malfunctioning.
| Result | Proceed to |
|---|---|
| RH side turn signal lights other than the side turn signal light blink | A |
| Problem symptoms do not change
(All RH side turn signal lights do not blink) |
B |
A
B
Remove the side turn signal light assembly RH from outer rear view mirror assembly RH.
Connect the wire harness connector to the outer rear view mirror assembly RH connector.
Operate the turn signal switch and check that the RH side turn signal lights other than the side turn signal light blink.
If all RH side turn signal lights do not blink, the outer rear view mirror assembly RH is malfunctioning.
| Result | Proceed to |
|---|---|
| RH side turn signal lights other than the side turn signal light blink | A |
| All RH side turn signal lights do not blink | B |
A
B
Connect the outer rear view mirror assembly RH connector.
Disconnect the S4 rear combination light assembly RH connector.
Operate the turn signal switch and check that the RH rear turn signal lights other than the rear turn signal light blink.
If the RH side turn signal lights other than the rear turn signal light blink, the rear turn signal light socket RH is malfunctioning.
| Result | Proceed to |
|---|---|
| RH side turn signal lights other than the rear turn signal light blink | A |
| Problem symptoms do not change
(All RH side turn signal lights do not blink) |
B |
A
B
Disconnect the A136*1 or A175*2 headlight assembly RH connector.
*1: for TFTM Made
*2: for GTMC Made
Disconnect the K17*1 or K21*2 outer rear view mirror assembly RH connector.
*3: w/ Panoramic View Monitor System
*4: w/o Panoramic View Monitor System
Disconnect the I5 combination meter assembly connector.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| A136-2 (B) or I5-2 (LR) - Body ground*1 | Always | 10 kΩ or higher |
| A175-7 (B) or I5-2 (LR) - Body ground*2 | Always | 10 kΩ or higher |
| K17-8 (B), S4-1 (B) or I5-6 (TRNR) - Body ground*3 | Always | 10 kΩ or higher |
| K21-4 (B), S4-1 (B) or I5-6 (TRNR) - Body ground*4 | Always | 10 kΩ or higher |
*1: for TFTM Made
*2: for GTMC Made
*3: w/ Panoramic View Monitor System
*4: w/o Panoramic View Monitor System
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Disconnect the A136*1 or A175*2 headlight assembly RH connector.
*1: for TFTM Made
*2: for GTMC Made
Operate the turn signal switch and check that the RH side turn signal lights other than the front turn signal light blink.
If the RH side turn signal lights other than the front turn signal light blink, the headlight front turn signal LED is malfunctioning.
| Result | Proceed to |
|---|---|
| RH side turn signal lights other than the front turn signal light blink | A |
| Problem symptoms do not change
(All RH side turn signal lights do not blink) |
B |
A
B
Connect the headlight assembly RH connector.
Disconnect the K17*1 or K21*2 outer rear view mirror assembly RH connector.
*1: w/ Panoramic View Monitor System
*2: w/o Panoramic View Monitor System
Operate the turn signal switch and check that the RH side turn signal lights other than the side turn signal light blink.
If the RH side turn signal lights other than the side turn signal light blink, a component of the outer rear view mirror assembly RH is malfunctioning.
| Result | Proceed to |
|---|---|
| RH side turn signal lights other than the side turn signal light blink | A |
| Problem symptoms do not change
(All RH side turn signal lights do not blink) |
B |
A
B
Remove the side turn signal light assembly RH from outer rear view mirror assembly RH.
Connect the wire harness connector to the outer rear view mirror assembly RH connector.
Operate the turn signal switch and check that the RH side turn signal lights other than the side turn signal light blink.
If all RH side turn signal lights do not blink, the outer rear view mirror assembly RH is malfunctioning.
| Result | Proceed to |
|---|---|
| RH side turn signal lights other than the side turn signal light blink | A |
| All RH side turn signal lights do not blink | B |
A
B
Connect the outer rear view mirror assembly RH connector.
Disconnect the S4 rear combination light assembly RH connector.
Operate the turn signal switch and check that the RH rear turn signal lights other than the rear turn signal light blink.
If the RH side turn signal lights other than the rear turn signal light blink, the rear turn signal light socket RH is malfunctioning.
| Result | Proceed to |
|---|---|
| RH side turn signal lights other than the rear turn signal light blink | A |
| Problem symptoms do not change
(All RH side turn signal lights do not blink) |
B |
A
B
Disconnect the A136*1 or A175*2 headlight assembly RH connector.
*1: for TFTM Made
*2: for GTMC Made
Disconnect the K17*1 or K21*2 outer rear view mirror assembly RH connector.
*3: w/ Panoramic View Monitor System
*4: w/o Panoramic View Monitor System
Disconnect the I5 combination meter assembly connector.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| A136-2 (B) or I5-6 (LR) - Body ground*1 | Always | 10 kΩ or higher |
| A175-7 (B) or I5-6 (LR) - Body ground*2 | Always | 10 kΩ or higher |
| K17-8 (B), S4-1 (B) or I5-21 (TRNR) - Body ground*3 | Always | 10 kΩ or higher |
| K21-4 (B), S4-1 (B) or I5-21 (TRNR) - Body ground*4 | Always | 10 kΩ or higher |
*1: for TFTM Made
*2: for GTMC Made
*3: w/ Panoramic View Monitor System
*4: w/o Panoramic View Monitor System
| Proceed to |
|---|
| OK |
| NG |
OK
NG