Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM1000000021IMY
Model Year Start: 2022 Model: RAV4 Prod Date Range: [12/2021 - 10/2022]
Title: METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM: B150718; Turn Signal Light Circuit Current Below Threshold; 2022 MY RAV4 RAV4 HV [12/2021 - 10/2022]

DTC

B150718

Turn Signal Light Circuit Current Below Threshold

DESCRIPTION

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
  • Side turn signal light assembly*1
  • Front turn signal and parking light bulb (front turn signal bulb)*2
  • Front turn signal light bulb (front turn signal bulb)*3
  • Outer rear view mirror assembly*1
  • Rear combination light socket and wire
  • Combination meter assembly
  • Harness or connector
  • *1: w/ Side Turn Signal Light
  • *2: w/ Side Marker Light
  • *3: w/o Side Marker Light

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 bulbs 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

Front turn signal light RH does not blink.

B

Side turn signal light LH does not blink (w/ Side Turn Signal Light).

C

Side turn signal light RH does not blink (w/ Side Turn Signal Light).

D

Rear turn signal light LH and side turn signal light LH do not blink (w/ Side Turn Signal Light).

E

Rear turn signal light RH and side turn signal light RH do not blink (w/ Side Turn Signal Light).

F

Rear turn signal light LH does not blink.

G

Rear turn signal light RH does not blink.

H

B

GO TO STEP 5

C

GO TO STEP 8

D

GO TO STEP 10

E

GO TO STEP 12

F

GO TO STEP 13

G

GO TO STEP 14

H

GO TO STEP 15

A

2.

CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - FRONT TURN SIGNAL LIGHT SOCKET)

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

(a) Disconnect the G19 combination meter assembly connector.

(b) Disconnect the A60*1 or A98*2 front turn signal light socket connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

G19-1 (LL) - A60-1 (B)*1 or A98-4 (B)*2

Always

Below 1 Ω

OK (for LED Type Turn Signal Light)

GO TO STEP 4

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK (for Bulb Type Turn Signal Light)

3.

INSPECT FRONT TURN SIGNAL LIGHT SOCKET

(a) Remove the front turn signal light socket.

for Triple Beam Headlight:

Click here 2021 - 2022 MY RAV4 RAV4 HV [08/2020 - 10/2022]; LIGHTING (EXT): HEADLIGHT ASSEMBLY (for Triple Beam Headlight): DISASSEMBLY

for Single Beam Headlight:

Click here 2022 MY RAV4 RAV4 HV [12/2021 - 10/2022]; LIGHTING (EXT): HEADLIGHT ASSEMBLY(for Single Beam Headlight): DISASSEMBLY

*a

Component without harness connected

(Front Turn Signal Socket)

(b) Apply auxiliary battery voltage to the front turn signal light socket and check that the light illuminates.

Standard Voltage:

Condition

Specified Condition

Auxiliary battery positive (+) → Terminal 1 (B)

Auxiliary battery negative (-) → Terminal 2 (E)

Turn signal light illuminates

OK

REPLACE COMBINATION METER ASSEMBLY

NG

REPLACE FRONT TURN SIGNAL LIGHT SOCKET

for Triple Beam Headlight:

Click here 2021 - 2022 MY RAV4 RAV4 HV [08/2020 - 10/2022]; LIGHTING (EXT): HEADLIGHT ASSEMBLY (for Triple Beam Headlight): DISASSEMBLY

for Single Beam Headlight:

Click here 2022 MY RAV4 RAV4 HV [12/2021 - 10/2022]; LIGHTING (EXT): HEADLIGHT ASSEMBLY(for Single Beam Headlight): DISASSEMBLY

4.

INSPECT HEADLIGHT ASSEMBLY LH

(a) Remove the headlight assembly LH.

Click here 2021 - 2024 MY RAV4 RAV4 HV [08/2020 -        ]; LIGHTING (EXT): HEADLIGHT ASSEMBLY (for Triple Beam Headlight): REMOVAL

(b) Inspect the headlight assembly LH.

Click here 2021 - 2024 MY RAV4 RAV4 HV [08/2020 -        ]; LIGHTING (EXT): HEADLIGHT ASSEMBLY (for Triple Beam Headlight): INSPECTION

OK

REPLACE COMBINATION METER ASSEMBLY

NG

REPLACE HEADLIGHT ASSEMBLY LH

5.

CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - FRONT TURN SIGNAL LIGHT SOCKET)

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

(a) Disconnect the G19 combination meter assembly connector.

(b) Disconnect the A59*1 or A96*2 front turn signal light socket connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

G19-2 (LR) - A59-1 (B)*1 or A96-4 (B)*2

Always

Below 1 Ω

OK (for LED Type Turn Signal Light)

GO TO STEP 7

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK (for Bulb Type Turn Signal Light)

6.

INSPECT FRONT TURN SIGNAL LIGHT SOCKET

(a) Remove the front turn signal light socket.

for Triple Beam Headlight:

Click here 2021 - 2022 MY RAV4 RAV4 HV [08/2020 - 10/2022]; LIGHTING (EXT): HEADLIGHT ASSEMBLY (for Triple Beam Headlight): DISASSEMBLY

for Single Beam Headlight:

Click here 2022 MY RAV4 RAV4 HV [12/2021 - 10/2022]; LIGHTING (EXT): HEADLIGHT ASSEMBLY(for Single Beam Headlight): DISASSEMBLY

*a

Component without harness connected

(Front Turn Signal Socket)

(b) Apply auxiliary battery voltage to the front turn signal light socket and check that the light illuminates.

Standard Voltage:

Condition

Specified Condition

Auxiliary battery positive (+) → Terminal 1 (B)

Auxiliary battery negative (-) → Terminal 2 (E)

Turn signal light illuminates

OK

REPLACE COMBINATION METER ASSEMBLY

NG

REPLACE FRONT TURN SIGNAL LIGHT SOCKET

for Triple Beam Headlight:

Click here 2021 - 2022 MY RAV4 RAV4 HV [08/2020 - 10/2022]; LIGHTING (EXT): HEADLIGHT ASSEMBLY (for Triple Beam Headlight): DISASSEMBLY

for Single Beam Headlight:

Click here 2022 MY RAV4 RAV4 HV [12/2021 - 10/2022]; LIGHTING (EXT): HEADLIGHT ASSEMBLY(for Single Beam Headlight): DISASSEMBLY

7.

INSPECT HEADLIGHT ASSEMBLY RH

(a) Remove the headlight assembly RH.

Click here 2021 - 2024 MY RAV4 RAV4 HV [08/2020 -        ]; LIGHTING (EXT): HEADLIGHT ASSEMBLY (for Triple Beam Headlight): REMOVAL

(b) Inspect the headlight assembly RH.

Click here 2021 - 2024 MY RAV4 RAV4 HV [08/2020 -        ]; LIGHTING (EXT): HEADLIGHT ASSEMBLY (for Triple Beam Headlight): INSPECTION

OK

REPLACE COMBINATION METER ASSEMBLY

NG

REPLACE HEADLIGHT ASSEMBLY RH

8.

INSPECT OUTER REAR VIEW MIRROR ASSEMBLY LH

(a) Remove the outer rear view mirror assembly LH.

Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; MIRROR (EXT): OUTER REAR VIEW MIRROR: REMOVAL

(b) Inspect the outer rear view mirror assembly LH.

Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; MIRROR (EXT): OUTER REAR VIEW MIRROR: INSPECTION

OK

REPAIR OR REPLACE HARNESS OR CONNECTOR

NG

9.

INSPECT SIDE TURN SIGNAL LIGHT ASSEMBLY LH

(a) Remove the side turn signal light assembly LH.

Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; LIGHTING (EXT): SIDE TURN SIGNAL LIGHT ASSEMBLY: REMOVAL

(b) Inspect the side turn signal light assembly LH.

Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; LIGHTING (EXT): SIDE TURN SIGNAL LIGHT ASSEMBLY: INSPECTION

OK

REPLACE OUTER REAR VIEW MIRROR ASSEMBLY LH

NG

REPLACE SIDE TURN SIGNAL LIGHT ASSEMBLY LH

10.

INSPECT OUTER REAR VIEW MIRROR ASSEMBLY RH

(a) Remove the outer rear view mirror assembly RH.

Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; MIRROR (EXT): OUTER REAR VIEW MIRROR: REMOVAL

(b) Inspect the outer rear view mirror assembly RH.

Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; MIRROR (EXT): OUTER REAR VIEW MIRROR: INSPECTION

OK

REPAIR OR REPLACE HARNESS OR CONNECTOR

NG

11.

INSPECT SIDE TURN SIGNAL LIGHT ASSEMBLY RH

(a) Remove the side turn signal light assembly RH.

Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; LIGHTING (EXT): SIDE TURN SIGNAL LIGHT ASSEMBLY: REMOVAL

(b) Inspect the side turn signal light assembly RH.

Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; LIGHTING (EXT): SIDE TURN SIGNAL LIGHT ASSEMBLY: INSPECTION

OK

REPLACE OUTER REAR VIEW MIRROR ASSEMBLY RH

NG

REPLACE SIDE TURN SIGNAL LIGHT ASSEMBLY RH

12.

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

(a) Disconnect the N18 rear combination light socket and wire LH connector.

(b) Disconnect the G19 combination meter assembly connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

N18-4 (TRN) - G19-5 (TRNL)

Always

Below 1 Ω

N18-3 (E) - Body ground

Always

Below 1 Ω

OK

REPLACE COMBINATION METER ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

13.

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

(a) Disconnect the M14 rear combination light socket and wire RH connector.

(b) Disconnect the G19 combination meter assembly connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

M14-4 (TRN) - G19-6 (TRNR)

Always

Below 1 Ω

M14-3 (E) - Body ground

Always

Below 1 Ω

OK

REPLACE COMBINATION METER ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

14.

INSPECT REAR COMBINATION LIGHT SOCKET AND WIRE LH

(a) Disconnect the N18 rear combination light socket and wire LH connector.

*a

Component without harness connected

(Rear Combination Light Socket and Wire LH)

(b) Apply auxiliary battery voltage to the rear combination light socket and wire LH and check that the light illuminates.

OK:

Condition

Specified Condition

Auxiliary battery positive (+) → Terminal 4 (TRN)

Auxiliary battery negative (-) → Terminal 3 (E)

Turn signal light illuminates

OK

REPAIR OR REPLACE HARNESS OR CONNECTOR

NG

REPLACE REAR COMBINATION LIGHT SOCKET AND WIRE LH

15.

INSPECT REAR COMBINATION LIGHT SOCKET AND WIRE RH

(a) Disconnect the M14 rear combination light socket and wire RH connector.

*a

Component without harness connected

(Rear Combination Light Socket and Wire RH)

(b) Apply auxiliary battery voltage to the rear combination light socket and wire RH and check that the light illuminates.

Standard Voltage:

Condition

Specified Condition

Auxiliary battery positive (+) → Terminal 4 (TRN)

Auxiliary battery negative (-) → Terminal 3 (E)

Turn signal light illuminates

OK

REPAIR OR REPLACE HARNESS OR CONNECTOR

NG

REPLACE REAR COMBINATION LIGHT SOCKET AND WIRE RH