Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM1000000026OLM
Model Year Start: 2023 Model: RAV4 Prod Date Range: [10/2022 -           ]
Title: AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM: B1ACA71; Front Right Speaker Cable Actuator Stuck; 2023 - 2024 MY RAV4 RAV4 HV [10/2022 -        ]

DTC

B1ACA71

Front Right Speaker Cable Actuator Stuck

DESCRIPTION

This DTC is stored when the stereo component amplifier assembly detects an open in the front speaker RH circuit by energizing the speaker line.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

DTC Output from

Priority

B1ACA71

Front Right Speaker Line Cable Actuator Stuck

Open in the front speaker RH circuit is detected.

(1 trip detection logic)
  • Harness or connector
  • Stereo component amplifier assembly
  • Front No. 1 speaker assembly RH
  • Front No. 2 speaker assembly RH
  • Front No. 3 speaker assembly RH
  • DCM (telematics transceiver)*

Navigation System

A
  • *: w/ Manual (SOS) Switch

WIRING DIAGRAM

PROCEDURE

1.

CHECK PROBLEM SYMPTOM

(a) Confirm the problem symptoms and proceed to the respective link.

Result

Proceed to

No sound is output from the front No. 1 speaker assembly RH or front No. 2 speaker assembly RH

A

No sound is output from the front No. 3 speaker assembly RH (w/ Manual [SOS] Switch)

B

No sound is output from the front No. 3 speaker assembly RH (w/o Manual [SOS] Switch)

C
B

GO TO STEP 9

C

GO TO STEP 11

A

2.

CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - FRONT NO. 2 SPEAKER ASSEMBLY RH)

Pre-procedure1

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

(b) Disconnect the G5 front No. 2 speaker assembly RH connector.

Procedure1

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

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

Always

Below 1 Ω

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

Always

Below 1 Ω

Post-procedure1

(d) None

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

3.

CHECK HARNESS AND CONNECTOR (FRONT NO. 2 SPEAKER ASSEMBLY RH - FRONT NO. 1 SPEAKER ASSEMBLY RH)

Pre-procedure1

(a) Disconnect the G5 front No. 2 speaker assembly RH connector.

(b) Disconnect the I1 front No. 1 speaker assembly RH connector.

Procedure1

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

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

Always

Below 1 Ω

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

Always

Below 1 Ω

Post-procedure1

(d) None

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

4.

INSPECT FRONT NO. 1 SPEAKER ASSEMBLY RH

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

NG

REPLACE FRONT NO. 1 SPEAKER ASSEMBLY RH

OK

5.

REPLACE FRONT NO. 2 SPEAKER ASSEMBLY RH

(a) Replace the front No. 2 speaker assembly with a new or known good one.

HINT:

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

NEXT

6.

CLEAR DTC

(a) Clear the DTCs.

Body Electrical > Navigation System > Clear DTCs

NEXT

7.

SPEAKER LINE ELECTRICITY CHECK

(a) In accordance with the display of the GTS, perform a speaker line electricity check.

Body Electrical > Navigation System > Utility

Tester Display

Speaker Line Electricity Check
NEXT

8.

CHECK FOR DTC

(a) Check for DTCs and proceed to the following step.

Body Electrical > Navigation System > Trouble Codes

Result

Proceed to

DTCs are not output

A

DTC B1ACA71 is output

B
A

END (FRONT NO. 2 SPEAKER ASSEMBLY RH IS DEFECTIVE)
B

REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY

9.

CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - FRONT NO. 3 SPEAKER ASSEMBLY RH, DCM [TELEMATICS TRANSCEIVER])

Pre-procedure1

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

(b) Disconnect the G7 front No. 3 speaker assembly RH connector.

(c) Disconnect the G133 DCM (telematics transceiver) connector.*

Procedure1

(d) 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

Post-procedure1

(e) None

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

10.

INSPECT DCM (TELEMATICS TRANSCEIVER) (SPO+, SPO-, SPI+, SPI-)

Pre-procedure1

(a) Remove the DCM (telematics transceiver).

HINT:

Click here 2023 - 2024 MY RAV4 RAV4 HV [10/2022 -        ]; CELLULAR COMMUNICATION: DCM(TELEMATICS TRANSCEIVER): REMOVAL

*a

Component without harness connected

(DCM [Telematics Transceiver])

Procedure1

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

3 (SPO+) - 1 (SPI+)

Always

Below 1 Ω

4 (SPO-) - 2 (SPI-)

Always

Below 1 Ω

1 (SPI+) - 2 (SPI-)

Always

10 kΩ or higher

3 (SPO+) - 4 (SPO-)

Always

10 kΩ or higher

Post-procedure1

(c) None

OK

GO TO STEP 12

NG

REPLACE DCM (TELEMATICS TRANSCEIVER)

11.

CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - FRONT NO. 3 SPEAKER ASSEMBLY RH)

Pre-procedure1

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

(b) Disconnect the G7 front No. 3 speaker assembly RH connector.

Procedure1

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

M2-13 (TWR+) - G7-1 (+)

Always

Below 1 Ω

M2-28 (TWR-) - G7-2 (-)

Always

Below 1 Ω

Post-procedure1

(d) None

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

12.

INSPECT FRONT NO. 3 SPEAKER ASSEMBLY RH

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

NG

REPLACE FRONT NO. 3 SPEAKER ASSEMBLY RH

OK

13.

CLEAR DTC

(a) Clear the DTCs.

Body Electrical > Navigation System > Clear DTCs

NEXT

14.

SPEAKER LINE ELECTRICITY CHECK

(a) In accordance with the display of the GTS, perform a speaker line electricity check.

Body Electrical > Navigation System > Utility

Tester Display

Speaker Line Electricity Check
NEXT

15.

CHECK FOR DTC

(a) Check for DTCs and proceed to the following step.

Body Electrical > Navigation System > Trouble Codes

Result

Proceed to

DTCs are not output

A

DTC B1ACA71 is output

B
A

END (FRONT NO. 3 SPEAKER ASSEMBLY RH IS DEFECTIVE)
B

REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY