DTC B1507-18: Turn Signal Light Circuit Current Below Threshold [06/2017 - ]: Procedure

1. Inspect the illumination of each turn signal light.

   Result

   Result	Proceed to
   Front turn signal light LH does not blink	A
   Rear turn signal light LH does not blink	B
   Front turn signal light RH does not blink	C
   Rear turn signal light RH does not blink	D

Result: 

B 

See step  5

Result: 

C 

See step  6

Result: 

D 

See step  9

Result: 

A 

See step  2

1. Disconnect the A53*1 or A75*2 headlight assembly LH connector.
   1. *1: for Bulb Type Turn Signal Light
   2. *2: for LED Type Turn Signal Light
2. Disconnect the K20 combination meter assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   FOR BULB TYPE TURN SIGNAL LIGHT
   
   

   Tester Connection	Condition	Specified Condition
   A53-1 (B) - K20-11 (LL)	Always	Below 1 Ω
   A53-3 (E) - Body ground	Always	Below 1 Ω

   FOR LED TYPE TURN SIGNAL LIGHT
   
   

   Tester Connection	Condition	Specified Condition
   A75-2 (B) - K20-11 (LL)	Always	Below 1 Ω
   A75-8 (E) - Body ground	Always	Below 1 Ω

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  3

1. Choose the model to be inspected.

   Result

   Result	Proceed to
   For Bulb Type Turn Signal Light	A
   For LED Type Turn Signal Light	B

Result: 

A 

REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [06/2017 - 10/2020]  , or refer to  REMOVAL [10/2020 - ] 

Result: 

B 

See step  4

1. Remove the headlight assembly LH.

   Refer to REMOVAL [06/2017 - 10/2020] , or refer to REMOVAL [10/2020 - ]

2. Inspect the headlight assembly LH.

   Refer to INSPECTION [06/2017 - 09/2019] , or refer to INSPECTION [09/2019 - ]

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [06/2017 - 10/2020]  , or refer to  REMOVAL [10/2020 - ] 

Result: 

NG 

REPLACE HEADLIGHT ASSEMBLY LH. Refer to  REMOVAL [06/2017 - 10/2020]  , or refer to  REMOVAL [10/2020 - ] 

1. Disconnect the W13 rear combination light assembly LH connector.
2. Disconnect the K20 combination meter assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   W13-3 (B) - K20-10 (TRNL)	Always	Below 1 Ω
   W13-4 (E) - Body ground	Always	Below 1 Ω

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [06/2017 - 10/2020]  , or refer to  REMOVAL [10/2020 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

1. Disconnect the A52*1 or A74*2 headlight assembly RH connector.
   1. *1: for Bulb Type Turn Signal Light
   2. *2: for LED Type Turn Signal Light
2. Disconnect the K20 combination meter assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   FOR BULB TYPE TURN SIGNAL LIGHT
   
   

   Tester Connection	Condition	Specified Condition
   A52-1 (B) - K20-7 (LR)	Always	Below 1 Ω
   A52-3 (E) - Body ground	Always	Below 1 Ω

   FOR LED TYPE TURN SIGNAL LIGHT
   
   

   Tester Connection	Condition	Specified Condition
   A74-2 (B) - K20-7 (LR)	Always	Below 1 Ω
   A74-8 (E) - Body ground	Always	Below 1 Ω

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  7

1. Choose the model to be inspected.

   Result

   Result	Proceed to
   For Bulb Type Turn Signal Light	A
   For LED Type Turn Signal Light	B

Result: 

A 

REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [06/2017 - 10/2020]  , or refer to  REMOVAL [10/2020 - ] 

Result: 

B 

See step  8

1. Remove the headlight assembly RH.

   Refer to REMOVAL [06/2017 - 10/2020] , or refer to REMOVAL [10/2020 - ]

2. Inspect the headlight assembly RH.

   Refer to INSPECTION [06/2017 - 09/2019] , or refer to INSPECTION [09/2019 - ]

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [06/2017 - 10/2020]  , or refer to  REMOVAL [10/2020 - ] 

Result: 

NG 

REPLACE HEADLIGHT ASSEMBLY RH. Refer to  REMOVAL [06/2017 - 10/2020]  , or refer to  REMOVAL [10/2020 - ] 

1. Disconnect the W12 rear combination light assembly RH connector.
2. Disconnect the K20 combination meter assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   W12-3 (B) - K20-13 (TRNR)	Always	Below 1 Ω
   W12-4 (E) - Body ground	Always	Below 1 Ω

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [06/2017 - 10/2020]  , or refer to  REMOVAL [10/2020 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR