Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001KGAB
Model Year Start: 2020 Model: RAV4 Prod Date Range: [10/2019 - 10/2022]
Title: AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM: B15C3; Speaker Output Short; 2020 - 2022 MY RAV4 RAV4 HV [10/2019 - 10/2022]

DTC

B15C3

Speaker Output Short

DESCRIPTION

This DTC is stored when a malfunction occurs in the speakers.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

B15C3

Speaker Output Short

A short is detected in the speaker output circuit

  • Harness or connector
  • Speaker
  • Radio and display receiver assembly*1
  • Stereo Component Amplifier assembly*2
  • DCM (telematics transceiver)*3
  • *1: for 6 Speakers
  • *2: for 9 Speakers
  • *3: w/ Manual (SOS) Switch

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

  • When replacing the radio and display receiver assembly, always replace it with a new one. If a radio and display receiver assembly which was installed to another vehicle is used, the following may occur:
    • A communication malfunction DTC is stored.
    • The radio and display receiver assembly may not operate normally.
  • When replacing the DCM (telematics transceiver), make sure to replace it with a new one (w/ Manual [SOS] Switch).
  • Before replacing the DCM (telematics transceiver), refer to Registration (w/ Manual [SOS] Switch).

    for HV Model: Click here 2020 - 2021 MY RAV4 HV [10/2019 - 12/2021]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, HV Model): REGISTRATION 2022 - 2024 MY RAV4 HV [12/2021 -        ]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, HV Model): REGISTRATION

    for Gasoline Model: Click here 2020 MY RAV4 [10/2019 - 08/2020]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): REGISTRATION 2021 MY RAV4 [08/2020 - 12/2021]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): REGISTRATION 2022 - 2024 MY RAV4 [12/2021 -        ]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): REGISTRATION

HINT:

Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Audio and Visual System.

Click here 2020 - 2022 MY RAV4 RAV4 HV [10/2019 - 10/2022]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM: PRECAUTION

PROCEDURE

1.

CHECK DTC

(a) Clear the DTCs.

Click here 2020 - 2022 MY RAV4 RAV4 HV [10/2019 - 10/2022]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM: DTC CHECK / CLEAR

Body Electrical > Navigation System > Clear DTCs

(b) Recheck for DTCs and check that no DTCs are output.

Click here 2020 - 2022 MY RAV4 RAV4 HV [10/2019 - 10/2022]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM: DTC CHECK / CLEAR

Body Electrical > Navigation System > Trouble Codes

OK:

No DTCs are output.

OK

USE SIMULATION METHOD TO CHECK

NG

2.

CHECK MODEL

(a) Choose the model to be inspected.

Result

Proceed to

for 6 Speakers (w/o Manual [SOS] Switch)

A

for 6 Speakers (w/ Manual [SOS] Switch)

B

for 9 Speakers

C

B

GO TO STEP 7

C

GO TO STEP 9

A

3.

CHECK HARNESS AND CONNECTOR (SPEAKER CIRCUIT)

(a) Disconnect the G4 radio and display receiver assembly connector.

(b) Disconnect the I1 and J1 front No. 1 speaker assembly connectors.

(c) Disconnect the G5 and G6 front No. 2 speaker assembly connectors.

(d) Disconnect the K1 and L1 rear speaker assembly connectors.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

G4-1 (FR+) - G5-4 (TWR+)

Always

Below 1 Ω

G4-6 (FR-) - G5-2 (TWR-)

Always

Below 1 Ω

G4-2 (FL+) - G6-4 (TWL+)

Always

Below 1 Ω

G4-7 (FL-) - G6-2 (TWL-)

Always

Below 1 Ω

G5-3 (+) - I1-2 (+)

Always

Below 1 Ω

G5-1 (-) - I1-1 (-)

Always

Below 1 Ω

G6-3 (+) - J1-2 (+)

Always

Below 1 Ω

G6-1 (-) - J1-1 (-)

Always

Below 1 Ω

G4-4 (RR+) - K1-2 (+)

Always

Below 1 Ω

G4-9 (RR-) - K1-1 (-)

Always

Below 1 Ω

G4-3 (RL+) - L1-2 (+)

Always

Below 1 Ω

G4-8 (RL+) - K1-1 (-)

Always

Below 1 Ω

G4-1 (FR+) - Body ground

Always

10 kΩ or higher

G4-6 (FR-) - Body ground

Always

10 kΩ or higher

G4-2 (FL+) - Body ground

Always

10 kΩ or higher

G4-7 (FL-) - Body ground

Always

10 kΩ or higher

G5-3 (+) - Body ground

Always

10 kΩ or higher

G5-1 (-) - Body ground

Always

10 kΩ or higher

G6-3 (+) - Body ground

Always

10 kΩ or higher

G6-1 (-) - Body ground

Always

10 kΩ or higher

G4-4 (RR+) - Body ground

Always

10 kΩ or higher

G4-9 (RR-) - Body ground

Always

10 kΩ or higher

G4-3 (RL+) - Body ground

Always

10 kΩ or higher

G4-8 (RL+) - Body ground

Always

10 kΩ or higher

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

4.

INSPECT FRONT NO. 1 SPEAKER ASSEMBLY

(a) Remove the front No. 1 speaker assembly.

Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; AUDIO / VIDEO: FRONT DOOR SPEAKER: REMOVAL

(b) Inspect the front No. 1 speaker assembly.

Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; AUDIO / VIDEO: FRONT DOOR SPEAKER: INSPECTION

NG

REPLACE FRONT NO. 1 SPEAKER ASSEMBLY

OK

5.

INSPECT REAR SPEAKER ASSEMBLY

(a) Remove the rear speaker assembly.

Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; AUDIO / VIDEO: REAR DOOR SPEAKER: REMOVAL

(b) Inspect the rear speaker assembly.

Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; AUDIO / VIDEO: REAR DOOR SPEAKER: INSPECTION

NG

REPLACE REAR SPEAKER ASSEMBLY

OK

6.

INSPECT FRONT NO. 2 SPEAKER ASSEMBLY

(a) Remove the front No. 2 speaker assembly.

Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; AUDIO / VIDEO: INSTRUMENT PANEL SPEAKER: REMOVAL

(b) Inspect the front No. 2 speaker assembly.

Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; AUDIO / VIDEO: INSTRUMENT PANEL SPEAKER: INSPECTION

OK

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

NG

REPLACE FRONT NO. 2 SPEAKER ASSEMBLY

7.

CHECK HARNESS AND CONNECTOR (SPEAKER CIRCUIT)

(a) Disconnect the G4 radio and display receiver assembly connector.

(b) Disconnect the G133 DCM (telematics transceiver) connector.

(c) Disconnect the I1 and J1 front No. 1 speaker assembly connectors.

(d) Disconnect the G5 and G6 front No. 2 speaker assembly connectors.

(e) Disconnect the K1 and L1 rear speaker assembly connectors.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

G4-1 (FR+) - G133-1 (SPI+)

Always

Below 1 Ω

G4-6 (FR-) - G133-2 (SPI-)

Always

Below 1 Ω

G4-2 (FL+) - G6-4 (TWL+)

Always

Below 1 Ω

G4-7 (FL-) - G6-2 (TWL-)

Always

Below 1 Ω

G133-3 (SPO+) - G5-4 (TWR+)

Always

Below 1 Ω

G133-4 (SPO-) - G5-2 (TWR-)

Always

Below 1 Ω

G5-3 (+) - I1-2 (+)

Always

Below 1 Ω

G5-1 (-) - I1-1 (-)

Always

Below 1 Ω

G6-3 (+) - J1-2 (+)

Always

Below 1 Ω

G6-1 (-) - J1-1 (-)

Always

Below 1 Ω

G4-4 (RR+) - K1-2 (+)

Always

Below 1 Ω

G4-9 (RR-) - K1-1 (-)

Always

Below 1 Ω

G4-3 (RL+) - L1-2 (+)

Always

Below 1 Ω

G4-8 (RL-) - K1-1 (-)

Always

Below 1 Ω

G4-1 (FR+) - Body ground

Always

10 kΩ or higher

G4-6 (FR-) - Body ground

Always

10 kΩ or higher

G4-2 (FL+) - Body ground

Always

10 kΩ or higher

G4-7 (FL-) - Body ground

Always

10 kΩ or higher

G133-3 (SPO+) - Body ground

Always

10 kΩ or higher

G133-4 (SPO-) - Body ground

Always

10 kΩ or higher

G5-3 (+) - Body ground

Always

10 kΩ or higher

G5-1 (-) - Body ground

Always

10 kΩ or higher

G6-3 (+) - Body ground

Always

10 kΩ or higher

G6-1 (-) - Body ground

Always

10 kΩ or higher

G4-4 (RR+) - Body ground

Always

10 kΩ or higher

G4-9 (RR-) - Body ground

Always

10 kΩ or higher

G4-3 (RL+) - Body ground

Always

10 kΩ or higher

G4-8 (RL-) - Body ground

Always

10 kΩ or higher

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

8.

INSPECT DCM (TELEMATICS TRANSCEIVER)

(a) Remove the DCM (telematics transceiver).

Click here 2020 - 2022 MY RAV4 RAV4 HV [10/2019 - 10/2022]; CELLULAR COMMUNICATION: DCM(TELEMATICS TRANSCEIVER): REMOVAL

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

1 (SPI+) - 3 (SPO+)

Always

Below 1 Ω

2 (SPI-) - 4 (SPO-)

Always

Below 1 Ω

1 (SPI+) - 2 (SPI-)

Always

10 kΩ or higher

3 (SPO+) - 4 (SPO-)

Always

10 kΩ or higher

1 (SPI+) - Body ground

Always

10 kΩ or higher

2 (SPI-) - Body ground

Always

10 kΩ or higher

*a

Component without harness connected

(DCM [Telematics Transceiver])

OK

GO TO STEP 4

NG

REPLACE DCM (TELEMATICS TRANSCEIVER)

9.

CHECK HARNESS AND CONNECTOR (SPEAKER CIRCUIT)

(a) Disconnect the M2 stereo component amplifier assembly connector.

(b) Disconnect the G133 DCM (telematics transceiver) connector.

(c) Disconnect the I1 and J1 front No. 1 speaker assembly connectors.

(d) Disconnect the G5 and G6 front No. 2 speaker assembly connectors.

(e) Disconnect the G7 and G8 front No. 3 speaker assembly connectors.

(f) Disconnect the K1 and L1 rear speaker assembly connectors.

(g) Disconnect the N1 rear No. 2 speaker assembly connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

M2-13 (TWR+) - G133-1 (SPI+)

Always

Below 1 Ω

M2-28 (TWR-) - G133-2 (SPI-)

Always

Below 1 Ω

G133-3 (SPO+) - G7-1 (+)

Always

Below 1 Ω

G133-4 (SPO-) - G7-2 (-)

Always

Below 1 Ω

M2-10 (TWL+) - G8-1 (+)

Always

Below 1 Ω

M2-25 (TWL-) - G8-2 (-)

Always

Below 1 Ω

M2-9 (FR+) - G5-4 (TWR+)

Always

Below 1 Ω

M2-24 (FR-) - G5-2 (TWR-)

Always

Below 1 Ω

G5-3 (+) - I1-2 (+)

Always

Below 1 Ω

G5-1 (-) - I1-1 (-)

Always

Below 1 Ω

M2-14 (FL+) - G6-4 (TWL+)

Always

Below 1 Ω

M2-29 (FL-) - G6-2 (TWL-)

Always

Below 1 Ω

G6-3 (+) - J1-2 (+)

Always

Below 1 Ω

G6-1 (-) - J1-1 (-)

Always

Below 1 Ω

M2-12 (RR+) - K1-2 (+)

Always

Below 1 Ω

M2-27 (RR-) - K1-1 (-)

Always

Below 1 Ω

M2-11 (RL+) - L1-2 (+)

Always

Below 1 Ω

M2-26 (RL-) - L1-1 (-)

Always

Below 1 Ω

M2-15 (WFR+) - N1-4 (WF+)

Always

Below 1 Ω

M2-30 (WFR-) - N1-1 (WF-)

Always

Below 1 Ω

M2-8 (WFL+) - N1-2 (WF+)

Always

Below 1 Ω

M2-23 (WFL-) - N1-3 (WF-)

Always

Below 1 Ω

M2-13 (TWR+) - Body ground

Always

10 kΩ or higher

M2-28 (TWR-) - Body ground

Always

10 kΩ or higher

G133-3 (SPO+) - Body ground

Always

10 kΩ or higher

G133-4 (SPO-) - Body ground

Always

10 kΩ or higher

M2-10 (TWL+) - Body ground

Always

10 kΩ or higher

M2-25 (TWL-) - Body ground

Always

10 kΩ or higher

M2-9 (FR+) - Body ground

Always

10 kΩ or higher

M2-24 (FR-) - Body ground

Always

10 kΩ or higher

G5-3 (+) - Body ground

Always

10 kΩ or higher

G5-1 (-) - Body ground

Always

10 kΩ or higher

M2-14 (FL+) - Body ground

Always

10 kΩ or higher

M2-29 (FL-) - Body ground

Always

10 kΩ or higher

G6-3 (+) - Body ground

Always

10 kΩ or higher

G6-1 (-) - Body ground

Always

10 kΩ or higher

M2-12 (RR+) - Body ground

Always

10 kΩ or higher

M2-27 (RR-) - Body ground

Always

10 kΩ or higher

M2-11 (RL+) - Body ground

Always

10 kΩ or higher

M2-26 (RL-) - Body ground

Always

10 kΩ or higher

M2-15 (WFR+) - Body ground

Always

10 kΩ or higher

M2-30 (WFR-) - Body ground

Always

10 kΩ or higher

M2-8 (WFL+) - Body ground

Always

10 kΩ or higher

M2-23 (WFL-) - Body ground

Always

10 kΩ or higher

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

10.

INSPECT DCM (TELEMATICS TRANSCEIVER)

(a) Remove the DCM (telematics transceiver).

Click here 2020 - 2022 MY RAV4 RAV4 HV [10/2019 - 10/2022]; CELLULAR COMMUNICATION: DCM(TELEMATICS TRANSCEIVER): REMOVAL

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

1 (SPI+) - 3 (SPO+)

Always

Below 1 Ω

2 (SPI-) - 4 (SPO-)

Always

Below 1 Ω

1 (SPI+) - 2 (SPI-)

Always

10 kΩ or higher

3 (SPO+) - 4 (SPO-)

Always

10 kΩ or higher

1 (SPI+) - Body ground

Always

10 kΩ or higher

2 (SPI-) - Body ground

Always

10 kΩ or higher

*a

Component without harness connected

(DCM [Telematics Transceiver])

NG

REPLACE DCM (TELEMATICS TRANSCEIVER)

OK

11.

INSPECT FRONT NO. 1 SPEAKER ASSEMBLY

(a) Remove the front No. 1 speaker assembly.

Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; AUDIO / VIDEO: FRONT DOOR SPEAKER: REMOVAL

(b) Inspect the front No. 1 speaker assembly.

Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; AUDIO / VIDEO: FRONT DOOR SPEAKER: INSPECTION

NG

REPLACE FRONT NO. 1 SPEAKER ASSEMBLY

OK

12.

INSPECT FRONT NO. 2 SPEAKER ASSEMBLY

(a) Remove the front No. 2 speaker assembly.

Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; AUDIO / VIDEO: INSTRUMENT PANEL SPEAKER: REMOVAL

(b) Inspect the front No. 2 speaker assembly.

Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; AUDIO / VIDEO: INSTRUMENT PANEL SPEAKER: INSPECTION

NG

REPLACE FRONT NO. 2 SPEAKER ASSEMBLY

OK

13.

INSPECT REAR SPEAKER ASSEMBLY

(a) Remove the rear speaker assembly.

Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; AUDIO / VIDEO: REAR DOOR SPEAKER: REMOVAL

(b) Inspect the rear speaker assembly.

Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; AUDIO / VIDEO: REAR DOOR SPEAKER: INSPECTION

NG

REPLACE REAR SPEAKER ASSEMBLY

OK

14.

INSPECT FRONT NO. 3 SPEAKER ASSEMBLY

(a) Remove the front No. 3 speaker assembly.

Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; AUDIO / VIDEO: PILLAR SPEAKER: REMOVAL

(b) Inspect the front No. 3 speaker assembly.

Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; AUDIO / VIDEO: PILLAR SPEAKER: INSPECTION

OK

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

NG

REPLACE FRONT NO. 3 SPEAKER ASSEMBLY