Last Modified: 11-20-2023 6.11:8.1.0 Doc ID: RM10000000158D5
Model Year Start: 2018 Model: Camry HV Prod Date Range: [07/2017 -           ]
Title: METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM: B150718; Turn Signal Light Circuit Current Below Threshold; 2018 - 2024 MY Camry HV [07/2017 -        ]

DTC

B150718

Turn Signal Light Circuit Current Below Threshold

DESCRIPTION

This DTC is stored when the combination meter assembly detects an open in a front turn signal light circuit or rear turn signal light circuit.

HINT:

  • If there is an open in a front turn signal light circuit or rear turn signal light circuit, the turn signal lights on the side with the open circuit will blink faster than usual.
  • If there is an open in a side turn signal light circuit, DTC B150718 will not be stored.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Memory

Note

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 rear turn signal light circuit
  • Harness or connector
  • Headlight assembly
  • Headlight ECU sub-assembly*
  • Rear combination light assembly
  • Combination meter assembly

DTC stored

-

  • *: w/ AFS

WIRING DIAGRAM

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 turn signal light bulbs, sockets and wire harnesses before performing the following procedure.

PROCEDURE

1.

INSPECT LIGHTS

(a) Inspect the illumination of each turn signal light.

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

B

GO TO STEP 9

C

GO TO STEP 10

D

GO TO STEP 17

A

2.

CONFIRM MODEL

(a) Choose the model to be inspected.

Result

Proceed to

w/o AFS

A

w/ AFS

B

B

GO TO STEP 6

A

3.

CHECK HARNESS AND CONNECTOR (HEADLIGHT ASSEMBLY LH - COMBINATION METER ASSEMBLY AND BODY GROUND)

(a) Disconnect the A53*1 or A76*2 headlight assembly LH connector.

  • *1: for Bulb Type Turn Signal Light
  • *2: for LED Type Turn Signal Light

(b) Disconnect the K20 combination meter assembly connector.

(c) 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

A76-2 (B) - K20-11 (LL)

Always

Below 1 Ω

A76-8 (E) - Body ground

Always

Below 1 Ω

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

4.

CONFIRM MODEL

(a) Choose the model to be inspected.

Result

Proceed to

for Bulb Type Turn Signal Light

A

for LED Type Turn Signal Light

B

A

REPLACE COMBINATION METER ASSEMBLY 2018 - 2020 MY Camry HV [07/2017 - 10/2020]; METER / GAUGE / DISPLAY: COMBINATION METER: REMOVAL 2021 - 2024 MY Camry HV [10/2020 -        ]; METER / GAUGE / DISPLAY: COMBINATION METER: REMOVAL

B

5.

INSPECT HEADLIGHT ASSEMBLY LH

(a) Remove the headlight assembly LH.

Click here 2018 - 2020 MY Camry HV [07/2017 - 10/2020]; LIGHTING (EXT): HEADLIGHT ASSEMBLY: REMOVAL 2021 - 2024 MY Camry HV [10/2020 -        ]; LIGHTING (EXT): HEADLIGHT ASSEMBLY: REMOVAL

(b) Inspect the headlight assembly LH.

Click here 2018 - 2024 MY Camry HV [07/2017 -        ]; LIGHTING (EXT): HEADLIGHT ASSEMBLY: INSPECTION

OK

REPLACE COMBINATION METER ASSEMBLY 2018 - 2020 MY Camry HV [07/2017 - 10/2020]; METER / GAUGE / DISPLAY: COMBINATION METER: REMOVAL 2021 - 2024 MY Camry HV [10/2020 -        ]; METER / GAUGE / DISPLAY: COMBINATION METER: REMOVAL

NG

REPLACE HEADLIGHT ASSEMBLY LH 2018 - 2020 MY Camry HV [07/2017 - 10/2020]; LIGHTING (EXT): HEADLIGHT ASSEMBLY: REMOVAL 2021 - 2024 MY Camry HV [10/2020 -        ]; LIGHTING (EXT): HEADLIGHT ASSEMBLY: REMOVAL

6.

CHECK HARNESS AND CONNECTOR (HEADLIGHT ECU SUB-ASSEMBLY LH - COMBINATION METER ASSEMBLY AND BODY GROUND)

(a) Disconnect the A10*1 or A79*2 headlight ECU sub-assembly LH connector.

(b) Disconnect the K20 combination meter assembly connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

A10-11 (TNS) - K20-11 (LL)*1

Always

Below 1 Ω

A79-11 (TNS) - K20-11 (LL)*2

Always

Below 1 Ω

A10-12 (GND) - Body ground*1

Always

Below 1 Ω

A79-12 (GND) - Body ground*2

Always

Below 1 Ω

  • *1: 2017/07 - 2019/09
  • *2: 2019/09 -
NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

7.

INSPECT HEADLIGHT ECU SUB-ASSEMBLY LH

*a

Component without harness connected

(Headlight ECU Sub-assembly LH)

-

-

*1

2017/07 - 2019/09

*2

2019/09 -

(a) Remove the headlight ECU sub-assembly LH.

Click here 2018 - 2020 MY Camry HV [07/2017 - 10/2020]; LIGHTING (EXT): HEADLIGHT ECU: REMOVAL 2021 - 2024 MY Camry HV [10/2020 -        ]; LIGHTING (EXT): HEADLIGHT ECU: REMOVAL

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

B-9 (TURN+) - A10-11 (TNS)*1

Always

Below 1 Ω

B-9 (TURN+) - A79-11 (TNS)*2

Always

Below 1 Ω

B-13 (TURN-) - A10-12 (GND)*1

Always

Below 1 Ω

B-13 (TURN-) - A79-12 (GND)*2

Always

Below 1 Ω

  • *1: 2017/07 - 2019/09
  • *2: 2019/09 -
NG

REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH 2018 - 2020 MY Camry HV [07/2017 - 10/2020]; LIGHTING (EXT): HEADLIGHT ECU: REMOVAL 2021 - 2024 MY Camry HV [10/2020 -        ]; LIGHTING (EXT): HEADLIGHT ECU: REMOVAL

OK

8.

CHECK HEADLIGHT ASSEMBLY LH

(a) Remove each headlight ECU sub-assembly, interchange the headlight assembly LH with RH and connect the connectors.

Click here 2018 - 2020 MY Camry HV [07/2017 - 10/2020]; LIGHTING (EXT): HEADLIGHT ASSEMBLY: REMOVAL 2021 - 2024 MY Camry HV [10/2020 -        ]; LIGHTING (EXT): HEADLIGHT ASSEMBLY: REMOVAL

(b) Check that the front turn signal light operates normally.

OK:

Front turn signal light blinks.

OK

REPLACE HEADLIGHT ASSEMBLY LH 2018 - 2020 MY Camry HV [07/2017 - 10/2020]; LIGHTING (EXT): HEADLIGHT ASSEMBLY: REMOVAL 2021 - 2024 MY Camry HV [10/2020 -        ]; LIGHTING (EXT): HEADLIGHT ASSEMBLY: REMOVAL

NG

REPLACE COMBINATION METER ASSEMBLY 2018 - 2020 MY Camry HV [07/2017 - 10/2020]; METER / GAUGE / DISPLAY: COMBINATION METER: REMOVAL 2021 - 2024 MY Camry HV [10/2020 -        ]; METER / GAUGE / DISPLAY: COMBINATION METER: REMOVAL

9.

CHECK HARNESS AND CONNECTOR (REAR COMBINATION LIGHT ASSEMBLY LH - COMBINATION METER ASSEMBLY AND BODY GROUND)

(a) Disconnect the W13 rear combination light assembly LH connector.

(b) Disconnect the K20 combination meter assembly connector.

(c) 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

OK

REPLACE COMBINATION METER ASSEMBLY 2018 - 2020 MY Camry HV [07/2017 - 10/2020]; METER / GAUGE / DISPLAY: COMBINATION METER: REMOVAL 2021 - 2024 MY Camry HV [10/2020 -        ]; METER / GAUGE / DISPLAY: COMBINATION METER: REMOVAL

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

10.

CONFIRM MODEL

(a) Choose the model to be inspected.

Result

Proceed to

w/o AFS

A

w/ AFS

B

B

GO TO STEP 14

A

11.

CHECK HARNESS AND CONNECTOR (HEADLIGHT ASSEMBLY RH - COMBINATION METER ASSEMBLY AND BODY GROUND)

(a) Disconnect the A52*1 or A75*2 headlight assembly RH connector.

  • *1: for Bulb Type Turn Signal Light
  • *2: for LED Type Turn Signal Light

(b) Disconnect the K20 combination meter assembly connector.

(c) 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

A75-2 (B) - K20-7 (LR)

Always

Below 1 Ω

A75-8 (E) - Body ground

Always

Below 1 Ω

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

12.

CONFIRM MODEL

(a) Choose the model to be inspected.

Result

Proceed to

for Bulb Type Turn Signal Light

A

for LED Type Turn Signal Light

B

A

REPLACE COMBINATION METER ASSEMBLY 2018 - 2020 MY Camry HV [07/2017 - 10/2020]; METER / GAUGE / DISPLAY: COMBINATION METER: REMOVAL 2021 - 2024 MY Camry HV [10/2020 -        ]; METER / GAUGE / DISPLAY: COMBINATION METER: REMOVAL

B

13.

INSPECT HEADLIGHT ASSEMBLY RH

(a) Remove the headlight assembly RH.

Click here 2018 - 2020 MY Camry HV [07/2017 - 10/2020]; LIGHTING (EXT): HEADLIGHT ASSEMBLY: REMOVAL 2021 - 2024 MY Camry HV [10/2020 -        ]; LIGHTING (EXT): HEADLIGHT ASSEMBLY: REMOVAL

(b) Inspect the headlight assembly RH.

Click here 2018 - 2024 MY Camry HV [07/2017 -        ]; LIGHTING (EXT): HEADLIGHT ASSEMBLY: INSPECTION

OK

REPLACE COMBINATION METER ASSEMBLY 2018 - 2020 MY Camry HV [07/2017 - 10/2020]; METER / GAUGE / DISPLAY: COMBINATION METER: REMOVAL 2021 - 2024 MY Camry HV [10/2020 -        ]; METER / GAUGE / DISPLAY: COMBINATION METER: REMOVAL

NG

REPLACE HEADLIGHT ASSEMBLY RH 2018 - 2020 MY Camry HV [07/2017 - 10/2020]; LIGHTING (EXT): HEADLIGHT ASSEMBLY: REMOVAL 2021 - 2024 MY Camry HV [10/2020 -        ]; LIGHTING (EXT): HEADLIGHT ASSEMBLY: REMOVAL

14.

CHECK HARNESS AND CONNECTOR (HEADLIGHT ECU SUB-ASSEMBLY RH - COMBINATION METER ASSEMBLY AND BODY GROUND)

(a) Disconnect the A11*1 or A80*2 headlight ECU sub-assembly RH connector.

(b) Disconnect the K20 combination meter assembly connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

A11-11 (TNS) - K20-7 (LR)*1

Always

Below 1 Ω

A80-11 (TNS) - K20-7 (LR)*2

Always

Below 1 Ω

A11-12 (GND) - Body ground*1

Always

Below 1 Ω

A80-12 (GND) - Body ground*2

Always

Below 1 Ω

  • *1: 2017/07 - 2019/09
  • *2: 2019/09 -
NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

15.

INSPECT HEADLIGHT ECU SUB-ASSEMBLY RH

*a

Component without harness connected

(Headlight ECU Sub-assembly RH)

-

-

*1

2017/07 - 2019/09

*2

2019/09 -

(a) Remove the headlight ECU sub-assembly RH.

Click here 2018 - 2020 MY Camry HV [07/2017 - 10/2020]; LIGHTING (EXT): HEADLIGHT ECU: REMOVAL 2021 - 2024 MY Camry HV [10/2020 -        ]; LIGHTING (EXT): HEADLIGHT ECU: REMOVAL

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

B-9 (TURN+) - A11-11 (TNS)*1

Always

Below 1 Ω

B-9 (TURN+) - A80-11 (TNS)*2

Always

Below 1 Ω

B-13 (TURN-) - A11-12 (GND)*1

Always

Below 1 Ω

B-13 (TURN-) - A80-12 (GND)*2

Always

Below 1 Ω

  • *1: 2017/07 - 2019/09
  • *2: 2019/09 -
NG

REPLACE HEADLIGHT ECU SUB-ASSEMBLY RH 2018 - 2020 MY Camry HV [07/2017 - 10/2020]; LIGHTING (EXT): HEADLIGHT ECU: REMOVAL 2021 - 2024 MY Camry HV [10/2020 -        ]; LIGHTING (EXT): HEADLIGHT ECU: REMOVAL

OK

16.

CHECK HEADLIGHT ASSEMBLY RH

(a) Remove each headlight ECU sub-assembly, interchange the headlight assembly RH with LH and connect the connectors.

Click here 2018 - 2020 MY Camry HV [07/2017 - 10/2020]; LIGHTING (EXT): HEADLIGHT ASSEMBLY: REMOVAL 2021 - 2024 MY Camry HV [10/2020 -        ]; LIGHTING (EXT): HEADLIGHT ASSEMBLY: REMOVAL

(b) Check that the front turn signal light operates normally.

OK:

Front turn signal light blinks.

OK

REPLACE HEADLIGHT ASSEMBLY RH 2018 - 2020 MY Camry HV [07/2017 - 10/2020]; LIGHTING (EXT): HEADLIGHT ASSEMBLY: REMOVAL 2021 - 2024 MY Camry HV [10/2020 -        ]; LIGHTING (EXT): HEADLIGHT ASSEMBLY: REMOVAL

NG

REPLACE COMBINATION METER ASSEMBLY 2018 - 2020 MY Camry HV [07/2017 - 10/2020]; METER / GAUGE / DISPLAY: COMBINATION METER: REMOVAL 2021 - 2024 MY Camry HV [10/2020 -        ]; METER / GAUGE / DISPLAY: COMBINATION METER: REMOVAL

17.

CHECK HARNESS AND CONNECTOR (REAR COMBINATION LIGHT ASSEMBLY RH - COMBINATION METER ASSEMBLY AND BODY GROUND)

(a) Disconnect the W12 rear combination light assembly RH connector.

(b) Disconnect the K20 combination meter assembly connector.

(c) 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

OK

REPLACE COMBINATION METER ASSEMBLY 2018 - 2020 MY Camry HV [07/2017 - 10/2020]; METER / GAUGE / DISPLAY: COMBINATION METER: REMOVAL 2021 - 2024 MY Camry HV [10/2020 -        ]; METER / GAUGE / DISPLAY: COMBINATION METER: REMOVAL

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR