| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| B150718 | Turn Signal Light Circuit Current Below Threshold | Diagnosis Condition:
Auxiliary battery voltage is 10 V or more Malfunction Status:
·
Open in front turn signal light circuit ·
Open in side turn signal light circuit ·
Open in rear turn signal light circuit |
·
Harness or connector ·
Headlight unit assembly ·
Headlight assembly*1 ·
Headlight front turn signal LED*2 ·
Outer rear view mirror assembly ·
Side turn signal light assembly ·
Rear combination light socket and wire ·
Combination meter assembly |
*1: for Triple Beam Headlight
*2: for Single Beam Headlight
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.
Bulb Type Turn Light:
Inspect the bulbs before performing the following procedure.
Inspect the illumination of each turn signal light.
| Result | Proceed to |
|---|---|
| Front turn signal light LH does not blink. | A |
| Side turn signal light LH does not blink. | B |
| Front turn signal light RH does not blink. | C |
| Side turn signal light RH does not blink. | D |
| Rear turn signal light LH and side turn signal light LH do not blink. | E |
| Rear turn signal light RH and side turn signal light RH do not blink. | F |
| Rear turn signal light LH does not blink. | G |
| Rear turn signal light RH does not blink. | H |
A
B
C
D
E
F
G
H
Check vehicle condition.
| Result | Proceed to |
|---|---|
| for Triple Beam Headlight | A |
| for Single Beam Headlight | B |
A
B
*1: except 12.3 Inch Multi-information Display Type
*2: for 12.3 Inch Multi-information Display Type
Disconnect the G19*1 or G150*2 combination meter assembly connector.
Disconnect the A96 headlight assembly LH connector.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| G19-1 (LL) - A96-2 (B) | Always | Below 1 Ω |
| A96-1 (E) - Body ground | Always | Below 1 Ω |
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| G150-5 (LL) - A96-2 (B) | Always | Below 1 Ω |
| A96-1 (E) - Body ground | Always | Below 1 Ω |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Disconnect the G150 combination meter assembly connector.
Disconnect the A104 headlight front turn signal LED connector.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| G150-5 (LL) - A104-4 (B) | Always | Below 1 Ω |
| A104-2 (E) - Body ground | Always | Below 1 Ω |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Remove the outer rear view mirror assembly LH.
Inspect the outer rear view mirror assembly LH.
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Remove the side turn signal light assembly LH.
Inspect the side turn signal light assembly LH.
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Check vehicle condition.
| Result | Proceed to |
|---|---|
| for Triple Beam Headlight | A |
| for Single Beam Headlight | B |
A
B
*1: except 12.3 Inch Multi-information Display Type
*2: for 12.3 Inch Multi-information Display Type
Disconnect the G19*1 or G150*2 combination meter assembly connector.
Disconnect the A95 headlight assembly RH connector.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| G19-2 (LR) - A95-2 (B) | Always | Below 1 Ω |
| A95-1 (E) - Body ground | Always | Below 1 Ω |
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| G150-6 (LR) - A95-2 (B) | Always | Below 1 Ω |
| A95-1 (E) - Body ground | Always | Below 1 Ω |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Disconnect the G150 combination meter assembly connector.
Disconnect the A103 headlight front turn signal LED connector.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| G150-6 (LR) - A103-4 (B) | Always | Below 1 Ω |
| A103-2 (E) - Body ground | Always | Below 1 Ω |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Remove the outer rear view mirror assembly RH.
Inspect the outer rear view mirror assembly RH.
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Remove the side turn signal light assembly RH.
Inspect the side turn signal light assembly RH.
| Proceed to |
|---|
| OK |
| NG |
OK
NG
*1: w/ Panoramic View Monitor System, w/ Blind Spot Monitor System
*2: w/ Panoramic View Monitor System, w/o Blind Spot Monitor System
*3: w/o Panoramic View Monitor System
*4: except 12.3 Inch Multi-information Display Type
*5: for 12.3 Inch Multi-information Display Type
*6: for Gasoline Model
*7: w/ Panoramic View Monitor System
Disconnect the G19*4 or G150*5 combination meter assembly connector.
Disconnect the N18 rear combination light socket and wire LH connector.
Disconnect the J13*1, J15*3*6 or J17*2 outer rear view mirror assembly LH connector.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| G19-5 (TRNL) - N18-4 (TRN) | Always | Below 1 Ω |
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| G150-37 (TRNL) - N18-4 (TRN) | Always | Below 1 Ω |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
*1: w/ Panoramic View Monitor System, w/ Blind Spot Monitor System
*2: w/ Panoramic View Monitor System, w/o Blind Spot Monitor System
*3: w/o Panoramic View Monitor System
*4: except 12.3 Inch Multi-information Display Type
*5: for 12.3 Inch Multi-information Display Type
*6: for Gasoline Model
*7: w/ Panoramic View Monitor System
Disconnect the G19*4 or G150*5 combination meter assembly connector.
Disconnect the M14 rear combination light socket and wire RH connector.
Disconnect the I13*1, I15*3*6 or I17*2 outer rear view mirror assembly LH connector.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| G19-6 (TRNR) - M14-4 (TRN) | Always | Below 1 Ω |
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| G150-38 (TRNR) - M14-4 (TRN) | Always | Below 1 Ω |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
*1: except 12.3 Inch Multi-information Display Type
*2: for 12.3 Inch Multi-information Display Type
Disconnect the N18 rear combination light socket and wire LH connector.
Disconnect the G19*1 or G150*2 combination meter assembly connector.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| N18-4 (TRN) - G19-5 (TRNL) | Always | Below 1 Ω |
| N18-3 (E) - Body ground | Always | Below 1 Ω |
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| N18-4 (TRN) - G150-37 (TRNL) | Always | Below 1 Ω |
| N18-3 (E) - Body ground | Always | Below 1 Ω |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
| *a | Component without harness connected
(Rear Combination Light Socket and Wire LH) |
Disconnect the N18 rear combination light socket and wire LH connector.
Apply auxiliary battery voltage to the rear combination light socket and wire LH and check that the light illuminates.
| Condition | Specified Condition |
|---|---|
| Auxiliary battery positive (+) → Terminal 4 (TRN)
Auxiliary battery negative (-) → Terminal 3 (E) |
Turn signal light illuminates |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
*1: except 12.3 Inch Multi-information Display Type
*2: for 12.3 Inch Multi-information Display Type
Disconnect the M14 rear combination light socket and wire RH connector.
Disconnect the G19*1 or G150*2 combination meter assembly connector.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| M14-4 (TRN) - G19-6 (TRNR) | Always | Below 1 Ω |
| M14-3 (E) - Body ground | Always | Below 1 Ω |
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| M14-4 (TRN) - G150-38 (TRNR) | Always | Below 1 Ω |
| M14-3 (E) - Body ground | Always | Below 1 Ω |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
| *a | Component without harness connected
(Rear Combination Light Socket and Wire RH) |
Disconnect the M14 rear combination light socket and wire RH connector.
Apply auxiliary battery voltage to the rear combination light socket and wire RH and check that the light illuminates.
| Condition | Specified Condition |
|---|---|
| Auxiliary battery positive (+) → Terminal 4 (TRN)
Auxiliary battery negative (-) → Terminal 3 (E) |
Turn signal light illuminates |
| Proceed to |
|---|
| OK |
| NG |
OK
NG