Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Rear Door Right Speaker Cable Actuator Stuck (B1ACC71)

Toyota Corolla Cross (2022-2025) Service Manual / Audio & Visual & Telematics / Audio / Video / Audio And Visual System / Rear Door Right Speaker Cable Actuator Stuck (B1ACC71)

DESCRIPTION

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

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

DTC Output from

Priority

B1ACC71

Rear Door Right Speaker Cable Actuator Stuck

Open in the rear speaker RH circuit is detected.

(1 trip detection logic)
  • Harness or connector
  • Stereo component amplifier assembly
  • Rear speaker assembly RH

Navigation System

A

WIRING DIAGRAM

PROCEDURE

1.

CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - REAR SPEAKER ASSEMBLY RH)

(a) Disconnect the I233 stereo component amplifier assembly connector.

(b) Disconnect the M4 Rear speaker assembly RH connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

I233-11 (RR+) - M4-2 (+)

Always

Below 1 Ω

I233-26 (RR-) - M4-1 (-)

Always

Below 1 Ω
NG

REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

2.

INSPECT REAR SPEAKER ASSEMBLY RH

Click here

OK

REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY

NG

REPLACE REAR SPEAKER ASSEMBLY RH

    READ NEXT:

     Rear Door Left Speaker Cable Actuator Stuck (B1ACD71)

    DESCRIPTION This DTC is stored when the stereo component amplifier assembly detects an open in the rear speaker LH circuit by energizing the speaker line. DTC No. Detection I

     Sub Woofer Speaker Cable Actuator Stuck (B1ADF71)

    DESCRIPTION This DTC is stored when the stereo component amplifier assembly detects an open in the sub-woofer speaker circuit by energizing the speaker line. DTC No. Detectio

     Vehicle Speed Signal Circuit Open (B228231)

    DESCRIPTION This DTC is stored when the radio and display receiver assembly detect difference between the GNSS speed and SPD pulse. DTC No. Detection Item DTC Dete

    SEE MORE:

     Data List / Active Test

    DATA LIST / ACTIVE TEST DATA LIST (a) In accordance with the screen on the GTS, display the data list screen and check the data. Body Electrical > Navigation System > Data List Tester Display Measurement Item Range Normal Condition D

     Drive Motor "A" Position Sensor Signal Amplitude < (P0A3F21,P0A3F22)

    DTC SUMMARY MALFUNCTION DESCRIPTION These DTCs indicate that the resolver output signal is abnormal. The cause of this malfunction may be one of the following: Area Main Malfunction Description Inverter low-voltage circuit The connectors are not connected properly H

    © 2020-2025 Copyright www.tcorollacross.com PT